shiguredo / mp4-rs

每颗 star 和每个 fork 的添加时间，来自 GitHub 并按天汇总。累计增长位于其构成来源——每日新增——的正上方，二者可相互对照：稳定的自然增长与短暂的突增形态截然不同。当这一差别可被衡量时，它会作为增长真实性予以报告。

每个点涵盖 2 天。

来自 GitHub 依赖图的完整解析依赖集合：0 个直接依赖与 82 个间接（传递）软件包。仓库提交锁文件时，传递闭包才是完整的。

该仓库未发布可被索引解析的包，因此评估的是其自身的依赖图——共 78 个包，其中也包含从不交付的开发与测试版本固定：0 个存在已知公告，0 个为直接依赖。 有 4 个无法评估——没有已解析的版本、生态系统不受支持，或不在所列包清单之内。

没有已知公告影响已评估的依赖。

公告表示依赖图中记录的版本落入某条公告的受影响范围。可达性未经分析，且依赖图包含开发与测试的版本固定——某项发现可能只涉及工具链而非交付的软件。

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          "body": "- expected_estimate を u64 中間計算 + saturating に変更する\n- 0 混在・u32::MAX 単一・大量トラックの境界値テストを追加する\n- 冗長・引数固定なテストヘルパーを整理する",
          "is_bot": false,
          "headline": "0052 mp4_estimate_maximum_moov_box_size に境界値テストを追加する",
          "author_name": "Takeru Ohta",
          "author_login": "sile",
          "committed_at": "2026-07-31T07:47:25Z",
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          "headline": "0053 closed 両 muxer でトラックの言語（mdhd.language）とトラック名（hdlr.name）を指定できるようにする",
          "author_name": "Takeru Ohta",
          "author_login": "sile",
          "committed_at": "2026-07-31T07:47:11Z",
          "body_truncated": false,
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        },
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          "headline": "0053 解決方法を追記する",
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          "author_login": "sile",
          "committed_at": "2026-07-31T07:46:56Z",
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        },
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          "oid": "73e6f2356df3d4b22142b68ea6986c8a86719ddb",
          "body": null,
          "is_bot": false,
          "headline": "0059 sidx.starts_with_sap の PBT を追加する",
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          "author_login": "sile",
          "committed_at": "2026-07-31T07:45:53Z",
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        },
        {
          "oid": "3753274fa3f9570d779e8751ac559702f623ae71",
          "body": "- src 側の estimate_maximum_moov_box_size を saturating_* 化する\n- c-api 側で u32 への切り捨てを saturating に置き換える",
          "is_bot": false,
          "headline": "0052 mp4_estimate_maximum_moov_box_size の見積もりを saturating で計算する",
          "author_name": "Takeru Ohta",
          "author_login": "sile",
          "committed_at": "2026-07-31T07:45:19Z",
          "body_truncated": false,
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        },
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          "oid": "8be552b523dada9577beea107af32b95932aec4e",
          "body": null,
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          "headline": "0053 CHANGES.md に C API / WASM 経由の利用者向けの制約を明示する",
          "author_name": "Takeru Ohta",
          "author_login": "sile",
          "committed_at": "2026-07-31T07:44:31Z",
          "body_truncated": false,
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        },
        {
          "oid": "108a4df2d006715659da7c4841c31fc74bc20d5b",
          "body": null,
          "is_bot": false,
          "headline": "0052 mp4_estimate_maximum_moov_box_size の引数名を track_count に変更する",
          "author_name": "Takeru Ohta",
          "author_login": "sile",
          "committed_at": "2026-07-31T07:43:16Z",
          "body_truncated": false,
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        },
        {
          "oid": "39477d3529cbc4c82f328f7389b8f911119212c4",
          "body": null,
          "is_bot": false,
          "headline": "0059 CHANGES.md の sidx.starts_with_sap エントリの表現を整える",
          "author_name": "Takeru Ohta",
          "author_login": "sile",
          "committed_at": "2026-07-31T07:40:17Z",
          "body_truncated": false,
          "is_coding_agent": false
        },
        {
          "oid": "0d27978e2b1a15cf2f1ece636b4f7f9c90b67aea",
          "body": null,
          "is_bot": false,
          "headline": "0059 sidx.starts_with_sap のテストを補強する",
          "author_name": "Takeru Ohta",
          "author_login": "sile",
          "committed_at": "2026-07-31T07:40:09Z",
          "body_truncated": false,
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        },
        {
          "oid": "d7881f89ea859d5ff53bc3df2ef984a47549da44",
          "body": null,
          "is_bot": false,
          "headline": "0059 sap_type を u8::from に書き換える",
          "author_name": "Takeru Ohta",
          "author_login": "sile",
          "committed_at": "2026-07-31T07:39:51Z",
          "body_truncated": false,
          "is_coding_agent": false
        },
        {
          "oid": "63607f994b66c1f38cc4062d84a35ffb701ab235",
          "body": null,
          "is_bot": false,
          "headline": "0053 レビューの改善指摘に対応する",
          "author_name": "Takeru Ohta",
          "author_login": "sile",
          "committed_at": "2026-07-31T07:36:48Z",
          "body_truncated": false,
          "is_coding_agent": false
        },
        {
          "oid": "6c19a564b8a7b64a9a01bbfe2b02c824e289a46e",
          "body": "- mp4_alloc は align 1 契約で Uint32Array の byteOffset 要件を満たせない\n- DataView は byteOffset の align 制約が無いためこちらを使う",
          "is_bot": false,
          "headline": "0052 WASM 例のサンプル数配列書き込みを DataView に置き換える",
          "author_name": "Takeru Ohta",
          "author_login": "sile",
          "committed_at": "2026-07-31T07:34:55Z",
          "body_truncated": false,
          "is_coding_agent": false
        },
        {
          "oid": "e85b442e867258fbd991698510497e9bbc5a5e53",
          "body": null,
          "is_bot": false,
          "headline": "0059 sidx の sap_type 近似の doc を明確化しコメント重複を整理する",
          "author_name": "Takeru Ohta",
          "author_login": "sile",
          "committed_at": "2026-07-31T07:30:13Z",
          "body_truncated": false,
          "is_coding_agent": false
        },
        {
          "oid": "828b8bda369ac835ce02b9deca98dadc383f71cc",
          "body": "- 見積もりが不足しうる場合の NOTE を復活させる\n- 引数の順序・アラインメント要件と関連関数の逆リンクを追加する\n- WASM 例とテストのステップコメントを追加する",
          "is_bot": false,
          "headline": "0052 mp4_estimate_maximum_moov_box_size のドキュメントとコメントを補強する",
          "author_name": "Takeru Ohta",
          "author_login": "sile",
          "committed_at": "2026-07-31T07:27:07Z",
          "body_truncated": false,
          "is_coding_agent": false
        },
        {
          "oid": "e19e4c341cb695f41f92072351e89f1ad4921f6e",
          "body": null,
          "is_bot": false,
          "headline": "0053 両 muxer のトラック言語・トラック名指定のレビュー指摘に対応する",
          "author_name": "Takeru Ohta",
          "author_login": "sile",
          "committed_at": "2026-07-31T07:26:34Z",
          "body_truncated": false,
          "is_coding_agent": false
        },
        {
          "oid": "20b620dbaecb2a48ee5b40942a01a2ddf178d2d5",
          "body": "- compute_earliest_presentation_time が EPT サンプルの keyframe を返す\n- starts_with_sap / sap_type を samples[0] 基準から EPT 基準に変える\n- 境界を単体テスト 3 本で固定し CHANGES に [FIX] を追記する",
          "is_bot": false,
          "headline": "0059 sidx の starts_with_sap を EPT サンプルの SAP 状態と整合させる",
          "author_name": "Takeru Ohta",
          "author_login": "sile",
          "committed_at": "2026-07-31T06:52:50Z",
          "body_truncated": false,
          "is_coding_agent": false
        },
        {
          "oid": "a933312bbe305a4b35fe81a8f65664c4accd5da1",
          "body": "- 配列 + 長さのシグネチャに破壊的に置き換える\n- 呼び出し箇所とテスト・CHANGES を追従する",
          "is_bot": false,
          "headline": "0052 C API の mp4_estimate_maximum_moov_box_size を任意トラック数対応にする",
          "author_name": "Takeru Ohta",
          "author_login": "sile",
          "committed_at": "2026-07-31T06:52:42Z",
          "body_truncated": false,
          "is_coding_agent": false
        },
        {
          "oid": "80da3d5fcbd0aba7bc4ad0e448c348d23a8947b1",
          "body": "…dx の sidx.starts_with_sap / sap_type が EPT サンプルの実際の SAP 状態を反映していない",
          "is_bot": false,
          "headline": "0059 polished Fmp4SegmentMuxer::create_media_segment_metadata_with_si…",
          "author_name": "Takeru Ohta",
          "author_login": "sile",
          "committed_at": "2026-07-31T06:46:00Z",
          "body_truncated": false,
          "is_coding_agent": false
        },
        {
          "oid": "ad05193c224816b74cb042ed0e476f07a0d4e6ad",
          "body": null,
          "is_bot": false,
          "headline": "0052 issue のカテゴリを bug から change に変更する",
          "author_name": "Takeru Ohta",
          "author_login": "sile",
          "committed_at": "2026-07-31T06:41:36Z",
          "body_truncated": false,
          "is_coding_agent": false
        },
        {
          "oid": "3d08774ff094b0b4e5aae06ed51f7c56bd4c332e",
          "body": "…2 トラック分しか見積もれない",
          "is_bot": false,
          "headline": "0052 polished C API の `mp4_estimate_maximum_moov_box_size()` が音声・映像の …",
          "author_name": "Takeru Ohta",
          "author_login": "sile",
          "committed_at": "2026-07-31T06:40:55Z",
          "body_truncated": false,
          "is_coding_agent": false
        },
        {
          "oid": "78c051b0ad791124f0c34adb04cafbb5ce4acc6b",
          "body": "- Options に TrackKind 別の language / name を追加する\n- LanguageCode / TrackMetadata を新設する\n- 単体テストと両 muxer の PBT を追加する",
          "is_bot": false,
          "headline": "0053 両 muxer でトラックの言語とトラック名を指定できるようにする",
          "author_name": "Takeru Ohta",
          "author_login": "sile",
          "committed_at": "2026-07-31T06:29:53Z",
          "body_truncated": false,
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        },
        {
          "oid": "7fe9382e192921d26f5fc3d43cb07ee59f735f49",
          "body": "…うにする",
          "is_bot": false,
          "headline": "0053 polished 両 muxer でトラックの言語（mdhd.language）とトラック名（hdlr.name）を指定できるよ…",
          "author_name": "Takeru Ohta",
          "author_login": "sile",
          "committed_at": "2026-07-31T06:15:53Z",
          "body_truncated": false,
          "is_coding_agent": false
        },
        {
          "oid": "f5f553f44826d9ef19de8538a04e728f7719d189",
          "body": null,
          "is_bot": false,
          "headline": "0052 設計方針と完了条件を決定内容で書き換える",
          "author_name": "Takeru Ohta",
          "author_login": "sile",
          "committed_at": "2026-07-31T06:15:00Z",
          "body_truncated": false,
          "is_coding_agent": false
        },
        {
          "oid": "3c6ec8f7a37926ca1a4932b88ea842fbf1ca1487",
          "body": "…oad-size-zero\n\n`BoxHeader::decode_header_and_payload` で 32bit の size=0（`BoxSize::VARIABLE_SIZE`）をバッファ末尾までの可変長ボックスとして扱えるようにする",
          "is_bot": false,
          "headline": "Merge pull request #100 from shiguredo/feature/fix-decode-header-payl…",
          "author_name": "Takeru Ohta",
          "author_login": "sile",
          "committed_at": "2026-07-31T06:04:42Z",
          "body_truncated": false,
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        },
        {
          "oid": "e0c1cd4a760fb02f1647fb6452b27d9f449efc28",
          "body": "…が到達不能なデッドコードになっている",
          "is_bot": false,
          "headline": "0025 closed basic_types.rs の decode_header_and_payload で size=0 の特別処理…",
          "author_name": "Takeru Ohta",
          "author_login": "sile",
          "committed_at": "2026-07-31T06:03:22Z",
          "body_truncated": false,
          "is_coding_agent": false
        },
        {
          "oid": "39ec613c94f23b44fdaded28de91ea2947c9ab74",
          "body": null,
          "is_bot": false,
          "headline": "0025 解決方法を追記する",
          "author_name": "Takeru Ohta",
          "author_login": "sile",
          "committed_at": "2026-07-31T06:03:21Z",
          "body_truncated": false,
          "is_coding_agent": false
        },
        {
          "oid": "fccd61c9f0580988da423ed53b69f78e9d57ee54",
          "body": null,
          "is_bot": false,
          "headline": "0025 decode_header_and_payload の空ペイロードとバッファ不足の回帰テストを追加する",
          "author_name": "Takeru Ohta",
          "author_login": "sile",
          "committed_at": "2026-07-31T06:01:38Z",
          "body_truncated": false,
          "is_coding_agent": false
        },
        {
          "oid": "3899604e09e078a76363241dbbbe0d9f4789caf6",
          "body": "…olicy\n\nwasm の mp4_alloc 失敗（OOM）時の方針を abort に統一する",
          "is_bot": false,
          "headline": "Merge pull request #98 from shiguredo/feature/change-wasm-alloc-oom-p…",
          "author_name": "Takeru Ohta",
          "author_login": "sile",
          "committed_at": "2026-07-31T05:57:42Z",
          "body_truncated": false,
          "is_coding_agent": false
        },
        {
          "oid": "4f1ec3a2d660e06df3183a587caebf09a1214b5f",
          "body": null,
          "is_bot": false,
          "headline": "0060 wasm クレートの冗長・陳腐化したコメント注記を整理する",
          "author_name": "Takeru Ohta",
          "author_login": "sile",
          "committed_at": "2026-07-31T05:56:21Z",
          "body_truncated": false,
          "is_coding_agent": false
        },
        {
          "oid": "7c02f1ac905a28c5d9433bab4d36d1d924c8d3ec",
          "body": "- ネスト時のスライス末尾扱いと U64(0) のエラー経路を明記する\n- 冗長なコメントとテストの重複アサーションを削る",
          "is_bot": false,
          "headline": "0025 size=0 関連のドキュメントとコメントを整理する",
          "author_name": "Takeru Ohta",
          "author_login": "sile",
          "committed_at": "2026-07-31T05:55:59Z",
          "body_truncated": false,
          "is_coding_agent": false
        },
        {
          "oid": "9c4fa6a604f75009dd50864dcceba9f9fbb032ba",
          "body": null,
          "is_bot": false,
          "headline": "0060 closed wasm の mp4_alloc 失敗（OOM）時の方針を abort に統一する",
          "author_name": "Takeru Ohta",
          "author_login": "sile",
          "committed_at": "2026-07-31T05:32:54Z",
          "body_truncated": false,
          "is_coding_agent": false
        },
        {
          "oid": "76e8f26ed72a83145a7f084c2429ec646db04f2e",
          "body": null,
          "is_bot": false,
          "headline": "0060 解決方法を追記する",
          "author_name": "Takeru Ohta",
          "author_login": "sile",
          "committed_at": "2026-07-31T05:32:41Z",
          "body_truncated": false,
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        },
        {
          "oid": "5cfe2a960cf38de2c2c242b5d554e348d6dac0ff",
          "body": "- U32(0) のみ特別扱いし U64(0) はエラーのままにする\n- 回帰テストとドキュメントを更新する\n- CHANGES に FIX を追記する",
          "is_bot": false,
          "headline": "0025 decode_header_and_payload で size=0 をバッファ末尾まで扱えるようにする",
          "author_name": "Takeru Ohta",
          "author_login": "sile",
          "committed_at": "2026-07-31T05:31:56Z",
          "body_truncated": false,
          "is_coding_agent": false
        },
        {
          "oid": "7e07be7bafa30147708c2460464abd8a8edda4ae",
          "body": null,
          "is_bot": false,
          "headline": "0053 設計方針を 3 論点の確定案に書き換える",
          "author_name": "Takeru Ohta",
          "author_login": "sile",
          "committed_at": "2026-07-31T05:30:26Z",
          "body_truncated": false,
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        },
        {
          "oid": "02d54c492833b3fb648290f2eda78028944f88c7",
          "body": "…処理が到達不能なデッドコードになっている",
          "is_bot": false,
          "headline": "0025 polished basic_types.rs の decode_header_and_payload で size=0 の特別…",
          "author_name": "Takeru Ohta",
          "author_login": "sile",
          "committed_at": "2026-07-31T05:29:16Z",
          "body_truncated": false,
          "is_coding_agent": false
        },
        {
          "oid": "4b31732c216b89bab0f8bbf70a5f818f71f54d47",
          "body": null,
          "is_bot": false,
          "headline": "0060 hev1 の全 units 空入力に対する free 中間状態の回帰テストを追加する",
          "author_name": "Takeru Ohta",
          "author_login": "sile",
          "committed_at": "2026-07-31T05:27:05Z",
          "body_truncated": false,
          "is_coding_agent": false
        },
        {
          "oid": "697b90a0323c7a412a312f26dd7d56a4c39827e4",
          "body": "- 他実装調査結果 (FFmpeg / GPAC / Bento4 / mp4parse-rust) を反映する\n- largesize=0 は仕様未定義のためエラー継続に確定する",
          "is_bot": false,
          "headline": "0025 設計方針を size=0 のみ末尾扱いに絞り込む",
          "author_name": "Takeru Ohta",
          "author_login": "sile",
          "committed_at": "2026-07-31T05:20:47Z",
          "body_truncated": false,
          "is_coding_agent": false
        },
        {
          "oid": "a78ef3764a1216dd2e908e4a6ab99f36e2c7861c",
          "body": "…as-i32\n\nc-api の `mp4_file_demuxer_get_required_input` / `mp4_file_kind_detector_get_required_input` で要求サイズが `i32::MAX` を超えたときに `-1`（EOF）と衝突しないようにする",
          "is_bot": false,
          "headline": "Merge pull request #99 from shiguredo/feature/fix-capi-required-size-…",
          "author_name": "Takeru Ohta",
          "author_login": "sile",
          "committed_at": "2026-07-31T05:17:43Z",
          "body_truncated": false,
          "is_coding_agent": false
        },
        {
          "oid": "6e7b500cbd67f719cbcbd13ad3e542e385c0a95b",
          "body": null,
          "is_bot": false,
          "headline": "0024 CHANGES の説明を破損入力への防御として書き換える",
          "author_name": "Takeru Ohta",
          "author_login": "sile",
          "committed_at": "2026-07-31T05:16:02Z",
          "body_truncated": false,
          "is_coding_agent": false
        },
        {
          "oid": "271bba786f6d19c68c8ab8d57aedb9f7fb32d98a",
          "body": null,
          "is_bot": false,
          "headline": "0060 wasm クレートの冗長な null / size ガードを abort invariant のもとで撤去する",
          "author_name": "Takeru Ohta",
          "author_login": "sile",
          "committed_at": "2026-07-31T05:15:54Z",
          "body_truncated": false,
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        },
        {
          "oid": "11f1d33e274027420d79306d96f60e9d8d2db1da",
          "body": "…）と衝突する",
          "is_bot": false,
          "headline": "0024 closed c-api の required_input_size が usize as i32 で切り捨てられ -1（EOF…",
          "author_name": "Takeru Ohta",
          "author_login": "sile",
          "committed_at": "2026-07-31T05:12:14Z",
          "body_truncated": false,
          "is_coding_agent": false
        },
        {
          "oid": "5a48a7f5c4766a65f3bfe42308fd73c71af4aa4b",
          "body": null,
          "is_bot": false,
          "headline": "0024 解決方法を追記する",
          "author_name": "Takeru Ohta",
          "author_login": "sile",
          "committed_at": "2026-07-31T05:12:14Z",
          "body_truncated": false,
          "is_coding_agent": false
        },
        {
          "oid": "37efaf2cfb0896d88756fb4768c36b0a144a5a4f",
          "body": null,
          "is_bot": false,
          "headline": "0024 get_required_input の使用例で戻り値を確認するようにする",
          "author_name": "Takeru Ohta",
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                "key": "openssf_scorecard_signed_releases",
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                "points": 0,
                "status": "missed",
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                "max_points": 10
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            ]
          },
          {
            "key": "abandonment",
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            "name": "Abandonment",
            "note": null,
            "notes": [],
            "value": 100,
            "inputs": {
              "cap": null,
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              "multiplier_pct": 100,
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        ],
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      },
      {
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            "key": "popularity",
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            "note": null,
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              "forks": 4,
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              "growth_factor_pct": 100,
              "growth_unverified_reason": "no_history"
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            "components": [
              {
                "key": "stars",
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                "detail": "154 stars",
                "points": 35.4,
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                "details": [
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                    "code": "stars",
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                      "count": 154
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                  }
                ],
                "max_points": 60
              },
              {
                "key": "forks",
                "name": "Forks",
                "detail": "4 forks",
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                      "count": 4
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                ],
                "max_points": 25
              },
              {
                "key": "watchers",
                "name": "Watchers",
                "detail": "10 watchers",
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                "details": [
                  {
                    "code": "watchers",
                    "params": {
                      "count": 10
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                  }
                ],
                "max_points": 15
              }
            ]
          },
          {
            "key": "community_health",
            "band": "moderate",
            "name": "Community health",
            "note": null,
            "notes": [],
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            "inputs": {
              "has_readme": true,
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              "readme_badges": 4,
              "has_contributing": false,
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              "has_code_of_conduct": false,
              "readme_badge_services": [
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                "shields.io"
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              "has_pull_request_template": false
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              },
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                "key": "license",
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                "detail": "recognized license (Apache-2.0)",
                "points": 22.5,
                "status": "met",
                "details": [
                  {
                    "code": "license_standard",
                    "params": {}
                  },
                  {
                    "code": "license_spdx",
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                "max_points": 22.5
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                "key": "contributing_guide",
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                "status": "missed",
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              },
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              {
                "key": "issue_template",
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            ]
          },
          {
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            "notes": [
              {
                "code": "excluded_no_data",
                "params": {
                  "components": [
                    "registry_dependents"
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                }
              },
              {
                "code": "weights_renormalized",
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            ],
            "value": 58,
            "inputs": {
              "packages": [
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              "dependents": null,
              "ecosystems": "crates",
              "total_downloads": 30369,
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            "components": [
              {
                "key": "monthly_downloads",
                "name": "Monthly downloads",
                "detail": "2,874 downloads/month across crates",
                "points": 46.1,
                "status": "partial",
                "details": [
                  {
                    "code": "downloads_monthly",
                    "params": {
                      "count": 2874,
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                  }
                ],
                "max_points": 80
              },
              {
                "key": "registry_dependents",
                "name": "Registry dependents",
                "detail": "not reported by this ecosystem",
                "points": 0,
                "status": "excluded",
                "details": [
                  {
                    "code": "not_reported_by_this_ecosystem",
                    "params": {}
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                ],
                "max_points": 20
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            ]
          }
        ],
        "description": "Does the project have users, downloads, attention, and a welcoming setup for contributors?"
      },
      {
        "key": "governance",
        "band": "moderate",
        "name": "Sustainability & Governance",
        "value": 63,
        "weight": 0.23,
        "metrics": [
          {
            "key": "maintainer_resilience",
            "band": "at_risk",
            "name": "Maintainer resilience (bus factor)",
            "note": null,
            "notes": [],
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            "inputs": {
              "bus_factor": 1,
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                "key": "bus_factor",
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                "max_points": 54
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                "key": "commit_distribution",
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                "details": [
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                    "code": "top_contributor_share",
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                      "share": 92
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                "max_points": 22.5
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                "key": "contributor_breadth",
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                "points": 4.1,
                "status": "partial",
                "details": [
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                    "code": "contributors_sampled",
                    "params": {
                      "count": 3
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                ],
                "max_points": 13.5
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              {
                "key": "openssf_scorecard_contributors",
                "name": "OpenSSF Scorecard: Contributors",
                "detail": "project has 3 contributing companies or organizations -- score normalized to 10",
                "points": 10,
                "status": "met",
                "details": [],
                "max_points": 10
              }
            ]
          },
          {
            "key": "responsiveness",
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            "name": "Issue & PR responsiveness",
            "note": "Excluded from scoring (no data or not applicable): Issue resolution, Newcomer PR acceptance. Remaining weights renormalized.",
            "notes": [
              {
                "code": "excluded_no_data",
                "params": {
                  "components": [
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                    "newcomer_pr_acceptance"
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                }
              },
              {
                "code": "weights_renormalized",
                "params": {}
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            ],
            "value": 66,
            "inputs": {
              "merged_prs": 103,
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              "closed_issues": 0,
              "prs_merged_7d": 24,
              "prs_decided_7d": 24,
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              "prs_decided_30d": 47,
              "issue_closed_ratio": null,
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              "first_time_prs_merged_30d": 0,
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            "components": [
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                "key": "issue_resolution",
                "name": "Issue resolution",
                "detail": "no issues or no data",
                "points": 0,
                "status": "excluded",
                "details": [
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                    "code": "no_issues_or_data",
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                ],
                "max_points": 42
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              {
                "key": "pr_acceptance",
                "name": "PR acceptance",
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                    "code": "decided_prs_merged",
                    "params": {
                      "merged": 103,
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                "max_points": 30
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              {
                "key": "newcomer_pr_acceptance",
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                "status": "excluded",
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                    "code": "no_newcomer_prs",
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                ],
                "max_points": 13
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              {
                "key": "openssf_scorecard_code_review",
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                "points": 0,
                "status": "missed",
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            ]
          },
          {
            "key": "stewardship",
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            "note": null,
            "notes": [],
            "value": 75,
            "inputs": {
              "followers": 552,
              "owner_type": "Organization",
              "is_verified": null,
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              "account_age_days": 5044
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            "components": [
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                "key": "ownership_backing",
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                "details": [
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                    "code": "owner_organization",
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                ],
                "max_points": 30
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              {
                "key": "verified_domain",
                "name": "Verified domain",
                "detail": null,
                "points": 0,
                "status": "missed",
                "details": [],
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              },
              {
                "key": "owner_reach",
                "name": "Owner reach",
                "detail": "552 followers of shiguredo",
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                "details": [
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                ],
                "max_points": 25
              },
              {
                "key": "track_record",
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                "detail": "137 public repos, account ~13 yr old",
                "points": 25,
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                "details": [
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                  },
                  {
                    "code": "account_age_years",
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                ],
                "max_points": 25
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            ]
          },
          {
            "key": "package_maintenance",
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            "name": "Package maintenance",
            "note": null,
            "notes": [],
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            "inputs": {
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              "ecosystems": "crates",
              "any_deprecated": false,
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            "components": [
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                "key": "published_resolvable",
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                "detail": "1 package(s) on crates",
                "points": 25,
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                "details": [
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                ],
                "max_points": 25
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              {
                "key": "publish_recency",
                "name": "Publish recency",
                "detail": "latest publish 2 days ago",
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                "status": "met",
                "details": [
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                    "code": "publish_recency",
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                ],
                "max_points": 35
              },
              {
                "key": "version_history",
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                "detail": "26 published versions",
                "points": 20,
                "status": "met",
                "details": [
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                    "code": "published_versions",
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                      "count": 26
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                ],
                "max_points": 20
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              {
                "key": "not_deprecated",
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                "detail": "active, not deprecated or yanked",
                "points": 20,
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                "details": [
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                    "code": "package_not_deprecated",
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                ],
                "max_points": 20
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            ]
          }
        ],
        "description": "Will the project survive its people — bus factor, responsiveness, who backs it, and package upkeep?"
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      {
        "key": "engineering",
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        "name": "Engineering Quality",
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        "weight": 0.19,
        "metrics": [
          {
            "key": "engineering_practices",
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            "note": null,
            "notes": [],
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            "inputs": {
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              "has_editorconfig": false,
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            "components": [
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                "key": "ci_workflows",
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                "detail": "3 workflow(s)",
                "points": 24,
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                    "code": "ci_workflows",
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                ],
                "max_points": 24
              },
              {
                "key": "tests_present",
                "name": "Tests present",
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              },
              {
                "key": "linter_config",
                "name": "Linter config",
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              },
              {
                "key": "pre_commit_hooks",
                "name": "Pre-commit hooks",
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              },
              {
                "key": "editorconfig",
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                "status": "missed",
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              },
              {
                "key": "openssf_scorecard_ci_tests",
                "name": "OpenSSF Scorecard: CI-Tests",
                "detail": "4 out of 5 merged PRs checked by a CI test -- score normalized to 8",
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            ]
          },
          {
            "key": "documentation",
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            "note": null,
            "notes": [],
            "value": 75,
            "inputs": {
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              "has_wiki": false,
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            "components": [
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                "details": [],
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              },
              {
                "key": "documentation_directory",
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                "points": 25,
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              },
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                "key": "documentation_homepage_site",
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              },
              {
                "key": "repository_description",
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              },
              {
                "key": "topics",
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                "details": [
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                ],
                "max_points": 10
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              {
                "key": "wiki",
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                "status": "missed",
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                "max_points": 10
              }
            ]
          }
        ],
        "description": "Are baseline engineering and documentation practices in place?"
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      {
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        "weight": 0.16,
        "metrics": [
          {
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            "notes": [],
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            "inputs": {
              "source": "openssf_scorecard",
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            "components": [
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                "key": "binary_artifacts",
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              {
                "key": "branch_protection",
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                "detail": "branch protection not enabled on development/release branches",
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              },
              {
                "key": "ci_tests",
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              {
                "key": "cii_best_practices",
                "name": "CII-Best-Practices",
                "detail": "no effort to earn an OpenSSF best practices badge detected",
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              },
              {
                "key": "code_review",
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              },
              {
                "key": "contributors",
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                "details": [],
                "max_points": 2.5
              },
              {
                "key": "dangerous_workflow",
                "name": "Dangerous-Workflow",
                "detail": "no dangerous workflow patterns detected",
                "points": 10,
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                "details": [],
                "max_points": 10
              },
              {
                "key": "dependency_update_tool",
                "name": "Dependency-Update-Tool",
                "detail": "update tool detected",
                "points": 7.5,
                "status": "met",
                "details": [],
                "max_points": 7.5
              },
              {
                "key": "fuzzing",
                "name": "Fuzzing",
                "detail": "project is fuzzed",
                "points": 5,
                "status": "met",
                "details": [],
                "max_points": 5
              },
              {
                "key": "license",
                "name": "License",
                "detail": "license file detected",
                "points": 2.5,
                "status": "met",
                "details": [],
                "max_points": 2.5
              },
              {
                "key": "maintained",
                "name": "Maintained",
                "detail": "30 commit(s) and 0 issue activity found in the last 90 days -- score normalized to 10",
                "points": 7.5,
                "status": "met",
                "details": [],
                "max_points": 7.5
              },
              {
                "key": "packaging",
                "name": "Packaging",
                "detail": "packaging workflow detected",
                "points": 5,
                "status": "met",
                "details": [],
                "max_points": 5
              },
              {
                "key": "pinned_dependencies",
                "name": "Pinned-Dependencies",
                "detail": "dependency not pinned by hash detected -- score normalized to 4",
                "points": 2,
                "status": "partial",
                "details": [],
                "max_points": 5
              },
              {
                "key": "sast",
                "name": "SAST",
                "detail": "SAST tool is not run on all commits -- score normalized to 0",
                "points": 0,
                "status": "missed",
                "details": [],
                "max_points": 5
              },
              {
                "key": "security_policy",
                "name": "Security-Policy",
                "detail": "security policy file not detected",
                "points": 0,
                "status": "missed",
                "details": [],
                "max_points": 5
              },
              {
                "key": "signed_releases",
                "name": "Signed-Releases",
                "detail": "Project has not signed or included provenance with any releases.",
                "points": 0,
                "status": "missed",
                "details": [],
                "max_points": 7.5
              },
              {
                "key": "token_permissions",
                "name": "Token-Permissions",
                "detail": "detected GitHub workflow tokens with excessive permissions",
                "points": 0,
                "status": "missed",
                "details": [],
                "max_points": 7.5
              },
              {
                "key": "vulnerabilities",
                "name": "Vulnerabilities",
                "detail": "0 existing vulnerabilities detected",
                "points": 7.5,
                "status": "met",
                "details": [],
                "max_points": 7.5
              }
            ]
          },
          {
            "key": "dependency_advisories",
            "band": "exceptional",
            "name": "Dependency advisories",
            "note": "Excluded from scoring (no data or not applicable): Indirect dependencies free of known advisories, No advisories left outstanding. Remaining weights renormalized. Matched 78 resolved dependencies against OSV; 4 could not be assessed (no resolved version, an unsupported ecosystem, or beyond the reported package list). This repository publishes no package the index resolves, so the repository dependency graph was assessed instead. That graph mixes development and test pins with shipped dependencies, so only the declared runtime dependencies are scored; transitive findings are reported as context and excluded from the score. Reachability is not analyzed.",
            "notes": [
              {
                "code": "excluded_no_data",
                "params": {
                  "components": [
                    "indirect_dependencies_free_of_known_advisories",
                    "no_advisories_left_outstanding"
                  ]
                }
              },
              {
                "code": "weights_renormalized",
                "params": {}
              },
              {
                "code": "advisories_scope_repository",
                "params": {
                  "assessed": 78
                }
              },
              {
                "code": "advisories_unassessed",
                "params": {
                  "count": 4
                }
              },
              {
                "code": "advisories_repo_graph_caveat",
                "params": {}
              },
              {
                "code": "advisories_reachability",
                "params": {}
              }
            ],
            "value": 100,
            "inputs": {
              "source": "osv",
              "advisories": 0,
              "affected_packages": 0,
              "assessed_packages": 78,
              "unassessed_packages": 4,
              "affected_by_severity": "none",
              "direct_affected_packages": 0
            },
            "components": [
              {
                "key": "direct_dependencies_free_of_known_advisories",
                "name": "Direct dependencies free of known advisories",
                "detail": "no direct dependency carries a known advisory",
                "points": 35,
                "status": "met",
                "details": [
                  {
                    "code": "no_direct_advisories",
                    "params": {}
                  }
                ],
                "max_points": 35
              },
              {
                "key": "indirect_dependencies_free_of_known_advisories",
                "name": "Indirect dependencies free of known advisories",
                "detail": "transitive set not separable from development and test dependencies in this scope",
                "points": 0,
                "status": "excluded",
                "details": [
                  {
                    "code": "advisories_scope_not_separable",
                    "params": {}
                  }
                ],
                "max_points": 25
              },
              {
                "key": "no_advisories_left_outstanding",
                "name": "No advisories left outstanding",
                "detail": "no advisory carries a publication date",
                "points": 0,
                "status": "excluded",
                "details": [
                  {
                    "code": "advisories_no_publication_date",
                    "params": {}
                  }
                ],
                "max_points": 40
              }
            ]
          },
          {
            "key": "malicious_dependencies",
            "band": "exceptional",
            "name": "Malicious dependencies",
            "note": null,
            "notes": [],
            "value": 100,
            "inputs": {
              "source": "osv",
              "meaning": "reported as a malicious package by the OpenSSF corpus; the remedy is removal or moving off the compromised name, never an upgrade of the same artifact. Versions the registry has since pulled are listed but not scored",
              "packages": [],
              "red_flag": false,
              "assessed_packages": 78,
              "malicious_packages": 0,
              "direct_malicious_packages": 0,
              "withdrawn_malicious_packages": 0,
              "installable_malicious_packages": 0
            },
            "components": [
              {
                "key": "no_dependency_reported_as_a_malicious_package",
                "name": "No dependency reported as a malicious package",
                "detail": "no dependency is reported as a malicious package",
                "points": 100,
                "status": "met",
                "details": [
                  {
                    "code": "no_malicious_dependencies",
                    "params": {}
                  }
                ],
                "max_points": 100
              }
            ]
          },
          {
            "key": "high_risk_jurisdiction_exposure",
            "band": "exceptional",
            "name": "High-Risk Jurisdiction Exposure",
            "note": "Only high-confidence self-published location evidence affects this multiplier. Ambiguous matches are review-only; country evidence is not proof of nationality, citizenship, legal registration, malicious intent, or sanctions status.",
            "notes": [
              {
                "code": "jurisdiction_evidence_limits",
                "params": {}
              }
            ],
            "value": 100,
            "inputs": {
              "meaning": "self-published location evidence; not nationality or citizenship",
              "red_flag": false,
              "exposures": [],
              "policy_countries": [
                "Russia",
                "Iran",
                "North Korea"
              ],
              "commit_weight_rule": {
                "min_commits": 50,
                "min_commit_share": 0.1
              },
              "review_only_matches": 0,
              "below_threshold_exposures": [],
              "assessed_self_published_locations": 4
            },
            "components": [
              {
                "key": "policy_exposure_multiplier",
                "name": "Policy exposure multiplier",
                "detail": "no confirmed policy-scope location match",
                "points": 100,
                "status": "met",
                "details": [
                  {
                    "code": "jurisdiction_no_match",
                    "params": {}
                  }
                ],
                "max_points": 100
              }
            ]
          }
        ],
        "description": "Are visible security and supply-chain practices strong, with no malicious dependency and no unresolved high-risk jurisdiction exposure?"
      },
      {
        "key": "ai_readiness",
        "band": "moderate",
        "name": "AI Readiness",
        "value": 64,
        "weight": 0.04,
        "metrics": [
          {
            "key": "ai_agent_context",
            "band": "moderate",
            "name": "Agent context & guidance",
            "note": null,
            "notes": [],
            "value": 57,
            "inputs": {
              "has_llms_txt": false,
              "legible_history_share": 0.23,
              "agent_instruction_files": [
                "AGENTS.md",
                "CLAUDE.md"
              ],
              "agent_instruction_max_bytes": 1639
            },
            "components": [
              {
                "key": "agent_instructions",
                "name": "Agent instructions",
                "detail": "AGENTS.md, CLAUDE.md",
                "points": 45,
                "status": "met",
                "details": [
                  {
                    "code": "file_list",
                    "params": {
                      "files": "AGENTS.md, CLAUDE.md"
                    }
                  }
                ],
                "max_points": 45
              },
              {
                "key": "machine_readable_docs_llms_txt",
                "name": "Machine-readable docs (llms.txt)",
                "detail": null,
                "points": 0,
                "status": "missed",
                "details": [],
                "max_points": 15
              },
              {
                "key": "legible_commit_history",
                "name": "Legible commit history",
                "detail": "23 of 100 human commits state their intent (structured subject or explanatory body)",
                "points": 12.3,
                "status": "partial",
                "details": [
                  {
                    "code": "legible_history",
                    "params": {
                      "legible": 23,
                      "sampled": 100
                    }
                  }
                ],
                "max_points": 40
              }
            ]
          },
          {
            "key": "ai_verify_loop",
            "band": "good",
            "name": "Verify loop (build / test / typecheck)",
            "note": null,
            "notes": [],
            "value": 65,
            "inputs": {
              "has_nix": false,
              "has_tests": true,
              "lockfiles": [
                "Cargo.lock"
              ],
              "has_dockerfile": false,
              "typed_language": true,
              "bootstrap_files": [
                "Makefile"
              ],
              "has_devcontainer": false,
              "has_linter_config": false,
              "typecheck_configs": [],
              "agent_commit_share": 0,
              "toolchain_manifests": [
                "Cargo.toml",
                "crates/c-api/Cargo.toml",
                "crates/wasm/Cargo.toml",
                "examples/dump_wasm/Cargo.toml",
                "examples/transcode_wasm/Cargo.toml",
                "fuzz/Cargo.toml",
                "pbt/Cargo.toml"
              ],
              "dependency_bot_commit_share": 0
            },
            "components": [
              {
                "key": "one_command_bootstrap",
                "name": "One-command bootstrap",
                "detail": "Makefile",
                "points": 18,
                "status": "met",
                "details": [
                  {
                    "code": "file_list",
                    "params": {
                      "files": "Makefile"
                    }
                  }
                ],
                "max_points": 18
              },
              {
                "key": "automated_tests",
                "name": "Automated tests",
                "detail": null,
                "points": 22,
                "status": "met",
                "details": [],
                "max_points": 22
              },
              {
                "key": "lint_format_config",
                "name": "Lint / format config",
                "detail": null,
                "points": 0,
                "status": "missed",
                "details": [],
                "max_points": 11
              },
              {
                "key": "static_type_checking",
                "name": "Static type checking",
                "detail": "Rust (statically typed)",
                "points": 11,
                "status": "met",
                "details": [
                  {
                    "code": "statically_typed_language",
                    "params": {
                      "language": "Rust"
                    }
                  }
                ],
                "max_points": 11
              },
              {
                "key": "reproducible_environment",
                "name": "Reproducible environment",
                "detail": "lockfile",
                "points": 10,
                "status": "met",
                "details": [
                  {
                    "code": "file_list",
                    "params": {
                      "files": "lockfile"
                    }
                  }
                ],
                "max_points": 10
              },
              {
                "key": "demonstrated_agent_practice",
                "name": "Demonstrated agent practice",
                "detail": "no agent-authored commits among the last 100",
                "points": 0,
                "status": "missed",
                "details": [
                  {
                    "code": "no_agent_authored_commits",
                    "params": {
                      "sampled": 100
                    }
                  }
                ],
                "max_points": 10
              },
              {
                "key": "automated_maintenance",
                "name": "Automated maintenance",
                "detail": "no automated dependency updates observed",
                "points": 0,
                "status": "missed",
                "details": [
                  {
                    "code": "no_dependency_automation",
                    "params": {}
                  }
                ],
                "max_points": 8
              },
              {
                "key": "openssf_scorecard_pinned_dependencies",
                "name": "OpenSSF Scorecard: Pinned-Dependencies",
                "detail": "dependency not pinned by hash detected -- score normalized to 4",
                "points": 4,
                "status": "partial",
                "details": [],
                "max_points": 10
              }
            ]
          },
          {
            "key": "ai_code_legibility",
            "band": "exceptional",
            "name": "Code legibility for models",
            "note": null,
            "notes": [],
            "value": 97,
            "inputs": {
              "primary_language": "Rust",
              "largest_source_bytes": 117735,
              "source_files_sampled": 157,
              "oversized_source_files": 9
            },
            "components": [
              {
                "key": "type_checkable_code",
                "name": "Type-checkable code",
                "detail": "Rust (statically typed)",
                "points": 45,
                "status": "met",
                "details": [
                  {
                    "code": "statically_typed_language",
                    "params": {
                      "language": "Rust"
                    }
                  }
                ],
                "max_points": 45
              },
              {
                "key": "manageable_file_sizes",
                "name": "Manageable file sizes",
                "detail": "9/157 source files over 60KB",
                "points": 51.8,
                "status": "partial",
                "details": [
                  {
                    "code": "oversized_source_files",
                    "params": {
                      "kb": 60,
                      "sampled": 157,
                      "oversized": 9
                    }
                  }
                ],
                "max_points": 55
              }
            ]
          },
          {
            "key": "ai_interfaces",
            "band": "weak",
            "name": "Machine-readable interfaces",
            "note": null,
            "notes": [],
            "value": 40,
            "inputs": {
              "example_dirs": [
                "examples"
              ],
              "has_mcp_signal": false,
              "api_schema_files": []
            },
            "components": [
              {
                "key": "api_schema_openapi_graphql_proto",
                "name": "API schema (OpenAPI/GraphQL/proto)",
                "detail": null,
                "points": 0,
                "status": "missed",
                "details": [],
                "max_points": 40
              },
              {
                "key": "mcp_server",
                "name": "MCP server",
                "detail": null,
                "points": 0,
                "status": "missed",
                "details": [],
                "max_points": 20
              },
              {
                "key": "runnable_examples",
                "name": "Runnable examples",
                "detail": "examples",
                "points": 40,
                "status": "met",
                "details": [
                  {
                    "code": "file_list",
                    "params": {
                      "files": "examples"
                    }
                  }
                ],
                "max_points": 40
              }
            ]
          }
        ],
        "description": "How well is the repo equipped to be developed and maintained with AI coding agents? Carries a deliberately small weight: agent tooling is a real maintenance signal, but its absence must never gate the top of the scale (calibration saturates at raw 91, so 100/100 remains reachable with AI Readiness at zero)."
      }
    ],
    "classification": {
      "top": [
        "library"
      ],
      "labels": [
        "library"
      ],
      "scores": {
        "library": 7.4
      },
      "primary": "library",
      "evidence": [
        {
          "tier": "distribution",
          "label": "library",
          "source": "registry:crates",
          "weight": 6
        },
        {
          "tier": "declared",
          "label": "library",
          "source": "cargo.publish_false",
          "weight": -3.6
        },
        {
          "tier": "structure",
          "label": "library",
          "source": "tree.cargo_lib",
          "weight": 3
        },
        {
          "tier": "description",
          "label": "library",
          "source": "description:library",
          "weight": 2
        }
      ],
      "artifacts": [
        {
          "path": "Cargo.toml",
          "labels": [],
          "ecosystem": "crates"
        },
        {
          "path": "pbt/Cargo.toml",
          "labels": [],
          "ecosystem": "crates"
        }
      ],
      "confidence": "medium",
      "host_extension": false,
      "runs_as_process": false,
      "consumed_by_code": true
    },
    "metrics_version": "2.5.0"
  },
  "warnings": [
    "Star history unavailable: GitHub GraphQL error: Resource not accessible by personal access token",
    "crates package 'pbt' points at a different repository (https://github.com/wrsturgeon/pbt); excluded from ecosystem scoring",
    "deps.dev does not index crates:shiguredo_mp4@2026.4.0; advisories assessed against the repository dependency graph instead"
  ],
  "report_type": "repository",
  "generated_at": "2026-08-05T07:59:31.406497Z",
  "schema_version": "0.31.0",
  "badge_url": "https://raw.githubusercontent.com/inspect-software/badges/main/v1/s/shiguredo/mp4-rs.svg",
  "full_name": "shiguredo/mp4-rs",
  "license_state": "standard",
  "license_spdx": "Apache-2.0"
}