Your go-to for easy access to a plethora of compression algorithms, all neatly bundled in one simple installation.
milesgranger/pyrus-cramjam holds a health index of 57 out of 100, placing it in the Moderate band. It scores highest on Engineering Quality (68/100) and lowest on Security (41/100). It was last updated 61 days ago. A single contributor accounts for most of its recent work.
Metrics are grouped into weighted categories on one standardized 1–100 scale. Overall starts as their weighted mean; when public evidence triggers the High-Risk Jurisdiction Policy, the rating is adjusted and receives an At risk ceiling of 49. AI Readiness sits outside the overall score.
Each axis is a category. The shape matters more than the average — a healthy subject fills the whole shape, while a spike-and-crater profile means strength in one dimension is masking risk in another.
This repository is owned by a personal account. A single-owner project carries more continuity risk than an organization-backed one.
| Registry | Package | Version | Downloads / mo | Versions | Last publish | Tags |
|---|---|---|---|---|---|---|
| crates.io | cramjam | 2.4.0 | 10 | 9 | 1772 days ago | — |
| npm | cramjampoints to another repo — not scored | 0.1.0 | 13 | 1 | 415 days ago | — |
| PyPI | cramjam | 2.11.0 | 32,154,814 | 49 | 353 days ago | compressiondecompressionsnappyzstdbz2gziplz4brotlideflateblosc2 |
Is the project alive — is code being written and are releases shipping?
| 18/36 | Push recency — last push 61 days ago |
| 2.8/36 | Commit cadence — 4/52 weeks with commits |
| 10.6/18 | Commit volume — 14 commits in the last year |
| 0/10 | OpenSSF Scorecard: Maintained — 1 commit(s) and 0 issue activity found in the last 90 days -- score normalized to 0 |
| commits_last_year | 14 |
| human_commit_share | — |
| days_since_last_push | 61 |
| active_weeks_last_year | 4 |
| 27/27 | Ships releases — 60 releases published |
| 27/36 | Release recency — latest release 95 days ago |
| 19.8/27 | Release cadence — a release every ~45.3 days |
| 0/10 | OpenSSF Scorecard: Signed-Releases — Project has not signed or included provenance with any releases. |
| releases_count | 60 |
| latest_release_tag | v2.12.0 |
| releases_from_tags | no |
| days_since_latest_release | 95 |
| mean_days_between_releases | 45.3 |
Does the project have users, downloads, attention, and a welcoming setup for contributors?
| 33.8/60 | Stars — 123 stars |
| 8.7/25 | Forks — 12 forks |
| 0/15 | Watchers — 1 watchers |
| forks | 12 |
| stars | 123 |
| watchers | 1 |
| growth_state | unverified |
| growth_factor_pct | 100 |
| growth_unverified_reason | no_history |
| 22.5/22.5 | README |
| 22.5/22.5 | License — recognized license (MIT) |
| 0/18 | CONTRIBUTING guide |
| 0/13.5 | Code of conduct |
| 0/7.2 | Issue template |
| 0/6.3 | PR template |
| has_readme | yes |
| has_license | yes |
| has_contributing | no |
| has_issue_template | no |
| has_code_of_conduct | no |
| has_pull_request_template | no |
| 80/80 | Monthly downloads — 32,154,824 downloads/month across crates, pypi |
| 0/20 | Registry dependents — not reported by this ecosystem |
| packages | cramjam, cramjam |
| dependents | — |
| ecosystems | crates, pypi |
| total_downloads | 14,206 |
| monthly_downloads | 32,154,824 |
Will the project survive its people — bus factor, responsiveness, who backs it, and package upkeep?
| 9/54 | Bus factor — 1 contributor(s) cover half of all commits |
| 6.2/22.5 | Commit distribution — top contributor authored 73% of commits |
| 13.5/13.5 | Contributor breadth — 11 contributors |
| 10/10 | OpenSSF Scorecard: Contributors — project has 8 contributing companies or organizations |
| bus_factor | 1 |
| contributors_sampled | 11 |
| top_contributor_share | 0.726 |
| 40.3/46.8 | Issue resolution — 86% of issues closed |
| 33.9/38.3 | PR acceptance — 140/158 decided PRs merged |
| 3/15 | OpenSSF Scorecard: Code-Review — Found 7/27 approved changesets -- score normalized to 2 |
| merged_prs | 140 |
| open_issues | 11 |
| closed_issues | 69 |
| issue_closed_ratio | 0.863 |
| closed_unmerged_prs | 18 |
| 10/30 | Ownership backing — personal (user) account |
| 0/20 | Verified domain — not applicable to user accounts |
| 14/25 | Owner reach — 87 followers of milesgranger |
| 25/25 | Track record — 94 public repos, account ~10 yr old |
| followers | 87 |
| owner_type | User |
| is_verified | — |
| owner_login | milesgranger |
| public_repos | 94 |
| account_age_days | 3,993 |
| 25/25 | Published & resolvable — 2 package(s) on crates, pypi |
| 26/35 | Publish recency — latest publish 353 days ago |
| 20/20 | Version history — 49 published versions |
| 20/20 | Not deprecated — active, not deprecated or yanked |
| packages | cramjam, cramjam |
| ecosystems | crates, pypi |
| any_deprecated | no |
| min_days_since_publish | 353 |
Are baseline engineering and documentation practices in place?
| 24/24 | CI workflows — 1 workflow(s) |
| 24/24 | Tests present |
| 0/16 | Linter config |
| 0/9.6 | Pre-commit hooks |
| 0/6.4 | .editorconfig |
| 8/20 | OpenSSF Scorecard: CI-Tests — 11 out of 25 merged PRs checked by a CI test -- score normalized to 4 |
| has_ci | yes |
| has_tests | yes |
| has_editorconfig | no |
| has_linter_config | no |
| has_precommit_config | no |
| 30/30 | README |
| 25/25 | Documentation directory |
| 0/15 | Documentation / homepage site |
| 10/10 | Repository description |
| 10/10 | Topics — 12 topics |
| 10/10 | Wiki |
| topics | rust, python, decompression, compression, snappy, brotli, lz4, gzip, zstd, deflate, bzip2, blosc2 |
| has_wiki | yes |
| homepage | — |
| has_readme | yes |
| has_docs_dir | yes |
| has_description | yes |
Are visible security and supply-chain practices strong, without unresolved high-risk jurisdiction exposure?
| 7.5/7.5 | Binary-Artifacts — no binaries found in the repo |
| 0/7.5 | Branch-Protection — branch protection not enabled on development/release branches |
| 1/2.5 | CI-Tests — 11 out of 25 merged PRs checked by a CI test -- score normalized to 4 |
| 0/2.5 | CII-Best-Practices — no effort to earn an OpenSSF best practices badge detected |
| 1.5/7.5 | Code-Review — Found 7/27 approved changesets -- score normalized to 2 |
| 2.5/2.5 | Contributors — project has 8 contributing companies or organizations |
| 10/10 | Dangerous-Workflow — no dangerous workflow patterns detected |
| 7.5/7.5 | Dependency-Update-Tool — update tool detected |
| 0/5 | Fuzzing — project is not fuzzed |
| 2.5/2.5 | License — license file detected |
| 0/7.5 | Maintained — 1 commit(s) and 0 issue activity found in the last 90 days -- score normalized to 0 |
| 5/5 | Packaging — packaging workflow detected |
| 0/5 | Pinned-Dependencies — dependency not pinned by hash detected -- score normalized to 0 |
| 0/5 | SAST — SAST tool is not run on all commits -- score normalized to 0 |
| 0/5 | Security-Policy — security policy file not detected |
| 0/7.5 | Signed-Releases — Project has not signed or included provenance with any releases. |
| 0/7.5 | Token-Permissions — detected GitHub workflow tokens with excessive permissions |
| 5.2/7.5 | Vulnerabilities — 3 existing vulnerabilities detected |
| source | openssf_scorecard |
| checks_evaluated | 18 |
| scorecard_version | v5.5.0 |
| checks_inconclusive | 0 |
| scorecard_aggregate | 4.1 |
How well is the repo equipped to be developed and maintained with AI coding agents? An independent, experimental badge — weight 0.0, so it is surfaced on its own and does not affect the overall health score.
| 0/45 | Agent instructions — no CLAUDE.md / AGENTS.md / editor rules |
| 0/15 | Machine-readable docs (llms.txt) |
| 0/40 | Legible commit history — no data |
| has_llms_txt | no |
| legible_history_share | — |
| agent_instruction_files | — |
| agent_instruction_max_bytes | — |
| 18/18 | One-command bootstrap — Makefile |
| 22/22 | Automated tests |
| 0/11 | Lint / format config |
| 11/11 | Static type checking — cramjam-js/tsconfig.json, src/cramjam/py.typed |
| 10/10 | Reproducible environment — lockfile |
| 0/10 | Demonstrated agent practice — no data |
| 0/8 | Automated maintenance — no data |
| 0/10 | OpenSSF Scorecard: Pinned-Dependencies — dependency not pinned by hash detected -- score normalized to 0 |
| has_nix | no |
| has_tests | yes |
| lockfiles | Cargo.lock, uv.lock |
| has_dockerfile | no |
| typed_language | yes |
| bootstrap_files | Makefile |
| has_devcontainer | no |
| has_linter_config | no |
| typecheck_configs | cramjam-js/tsconfig.json, src/cramjam/py.typed |
| agent_commit_share | — |
| toolchain_manifests | — |
| dependency_bot_commit_share | — |
| 45/45 | Type-checkable code — Rust (statically typed) |
| 55/55 | Manageable file sizes — 0/32 source files over 60KB |
| primary_language | Rust |
| largest_source_bytes | 29,887 |
| source_files_sampled | 32 |
| oversized_source_files | 0 |
Independent, tool-agnostic security assessment from the open-source OpenSSF Scorecard. Each check rewards a security practice, not a specific vendor's tool. Checks Scorecard could not determine are marked n/a and excluded from the security score (never counted as zero).
| 10 | Binary-Artifacts | no binaries found in the repo |
| 0 | Branch-Protection | branch protection not enabled on development/release branches |
| 4 | CI-Tests | 11 out of 25 merged PRs checked by a CI test -- score normalized to 4 |
| 0 | CII-Best-Practices | no effort to earn an OpenSSF best practices badge detected |
| 2 | Code-Review | Found 7/27 approved changesets -- score normalized to 2 |
| 10 | Contributors | project has 8 contributing companies or organizations |
| 10 | Dangerous-Workflow | no dangerous workflow patterns detected |
| 10 | Dependency-Update-Tool | update tool detected |
| 0 | Fuzzing | project is not fuzzed |
| 10 | License | license file detected |
| 0 | Maintained | 1 commit(s) and 0 issue activity found in the last 90 days -- score normalized to 0 |
| 10 | Packaging | packaging workflow detected |
| 0 | Pinned-Dependencies | dependency not pinned by hash detected -- score normalized to 0 |
| 0 | SAST | SAST tool is not run on all commits -- score normalized to 0 |
| 0 | Security-Policy | security policy file not detected |
| 0 | Signed-Releases | Project has not signed or included provenance with any releases. |
| 0 | Token-Permissions | detected GitHub workflow tokens with excessive permissions |
| 7 | Vulnerabilities | 3 existing vulnerabilities detected |
| Registry | Package | Version constraint | Manifest |
|---|---|---|---|
| crates.io | pyo3 | ^0.25 | Cargo.toml |
| crates.io | libcramjam | ^0.8 | Cargo.toml |
| crates.io | libcramjam | 0.7.0 | cramjam-js/Cargo.toml |
| crates.io | wasm-bindgen | 0.2.100 | cramjam-js/Cargo.toml |
| npm | prettier | ^2.7.1 | package.json |
| npm | pyodide | ^0.26.2 | package.json |
Full resolved dependency set from the GitHub dependency graph: 6 direct and 205 indirect (transitive) packages. The transitive closure is complete when the repository commits a lockfile.
| Registry | Package | Version | Relation |
|---|---|---|---|
| crates.io | libcramjam | 0.7.0 | direct |
| crates.io | libcramjam | 0.8.0 | direct |
| crates.io | pyo3 | 0.25.0 | direct |
| crates.io | wasm-bindgen | 0.2.100 | direct |
| npm | prettier | ^2.7.1 | direct |
| npm | pyodide | ^0.26.2 | direct |
| crates.io | adler2 | 2.0.0 | indirect |
| crates.io | alloc-no-stdlib | 2.0.4 | indirect |
| crates.io | alloc-stdlib | 0.2.2 | indirect |
| crates.io | anstream | 0.6.18 | indirect |
| crates.io | anstyle | 1.0.10 | indirect |
| crates.io | anstyle-parse | 0.2.6 | indirect |
| crates.io | anstyle-query | 1.1.2 | indirect |
| crates.io | anstyle-wincon | 3.0.7 | indirect |
| crates.io | anstyle-wincon | 3.0.8 | indirect |
| crates.io | autocfg | 1.4.0 | indirect |
| crates.io | bitflags | 2.9.0 | indirect |
| crates.io | bitflags | 2.9.1 | indirect |
| crates.io | blosc2-rs | 0.4.0+2.15.2 | indirect |
| crates.io | blosc2-sys | 0.4.0+2.15.2 | indirect |
| crates.io | brotli | 7.0.0 | indirect |
| crates.io | brotli-decompressor | 4.0.2 | indirect |
| crates.io | brotli-decompressor | 4.0.3 | indirect |
| crates.io | bumpalo | 3.17.0 | indirect |
| crates.io | bzip2 | 0.4.4 | indirect |
| crates.io | bzip2-sys | 0.1.13+1.0.8 | indirect |
| crates.io | cbindgen | 0.27.0 | indirect |
| crates.io | cc | 1.2.16 | indirect |
| crates.io | cc | 1.2.24 | indirect |
| crates.io | cfg-if | 1.0.0 | indirect |
| crates.io | clap | 4.5.31 | indirect |
| crates.io | clap | 4.5.39 | indirect |
| crates.io | clap_builder | 4.5.31 | indirect |
| crates.io | clap_builder | 4.5.39 | indirect |
| crates.io | clap_lex | 0.7.4 | indirect |
| crates.io | cmake | 0.1.54 | indirect |
| crates.io | colorchoice | 1.0.3 | indirect |
| crates.io | copy_dir | 0.1.3 | indirect |
| crates.io | crc32fast | 1.4.2 | indirect |
| crates.io | equivalent | 1.0.2 | indirect |
| crates.io | errno | 0.3.10 | indirect |
| crates.io | errno | 0.3.12 | indirect |
| crates.io | fastrand | 2.3.0 | indirect |
| crates.io | flate2 | 1.1.0 | indirect |
| crates.io | getrandom | 0.3.1 | indirect |
| crates.io | getrandom | 0.3.3 | indirect |
| crates.io | hashbrown | 0.15.2 | indirect |
| crates.io | hashbrown | 0.15.3 | indirect |
| crates.io | heck | 0.4.1 | indirect |
| crates.io | heck | 0.5.0 | indirect |
| crates.io | indexmap | 2.7.1 | indirect |
| crates.io | indexmap | 2.9.0 | indirect |
| crates.io | indoc | 2.0.5 | indirect |
| crates.io | is_terminal_polyfill | 1.70.1 | indirect |
| crates.io | isal-rs | 0.5.3+496255c | indirect |
| crates.io | isal-sys | 0.5.3+496255c | indirect |
| crates.io | itoa | 1.0.14 | indirect |
| crates.io | itoa | 1.0.15 | indirect |
| crates.io | jobserver | 0.1.32 | indirect |
| crates.io | libc | 0.2.170 | indirect |
| crates.io | libc | 0.2.172 | indirect |
| crates.io | libdeflate-sys | 1.19.3 | indirect |
| crates.io | linux-raw-sys | 0.4.15 | indirect |
| crates.io | linux-raw-sys | 0.9.4 | indirect |
| crates.io | lock_api | 0.4.12 | indirect |
| crates.io | log | 0.4.26 | indirect |
| crates.io | log | 0.4.27 | indirect |
| crates.io | lz4 | 1.28.1 | indirect |
| crates.io | lz4-sys | 1.11.1+lz4-1.10.0 | indirect |
| crates.io | lzma-sys | 0.1.20 | indirect |
| crates.io | memchr | 2.7.4 | indirect |
| crates.io | memoffset | 0.9.1 | indirect |
| crates.io | miniz_oxide | 0.8.5 | indirect |
| crates.io | once_cell | 1.20.3 | indirect |
| crates.io | once_cell | 1.21.3 | indirect |
| crates.io | once_cell_polyfill | 1.70.1 | indirect |
| crates.io | parking_lot | 0.12.3 | indirect |
| crates.io | parking_lot_core | 0.9.10 | indirect |
| crates.io | pkg-config | 0.3.31 | indirect |
| crates.io | portable-atomic | 1.11.0 | indirect |
| crates.io | proc-macro2 | 1.0.93 | indirect |
| crates.io | proc-macro2 | 1.0.95 | indirect |
| crates.io | pyo3-build-config | 0.25.0 | indirect |
| crates.io | pyo3-ffi | 0.25.0 | indirect |
| crates.io | pyo3-macros | 0.25.0 | indirect |
| crates.io | pyo3-macros-backend | 0.25.0 | indirect |
| crates.io | python3-dll-a | 0.2.13 | indirect |
| crates.io | quote | 1.0.38 | indirect |
| crates.io | quote | 1.0.40 | indirect |
| crates.io | r-efi | 5.2.0 | indirect |
| crates.io | redox_syscall | 0.5.9 | indirect |
| crates.io | rustix | 0.38.44 | indirect |
| crates.io | rustix | 1.0.7 | indirect |
| crates.io | rustversion | 1.0.21 | indirect |
| crates.io | ryu | 1.0.19 | indirect |
| crates.io | ryu | 1.0.20 | indirect |
| crates.io | same-file | 1.0.6 | indirect |
| crates.io | scopeguard | 1.2.0 | indirect |
| crates.io | serde | 1.0.218 | indirect |
| crates.io | serde | 1.0.219 | indirect |
| crates.io | serde_derive | 1.0.218 | indirect |
| crates.io | serde_derive | 1.0.219 | indirect |
| crates.io | serde_json | 1.0.139 | indirect |
| crates.io | serde_json | 1.0.140 | indirect |
| crates.io | serde_spanned | 0.6.8 | indirect |
| crates.io | shlex | 1.3.0 | indirect |
| crates.io | smallvec | 1.14.0 | indirect |
| crates.io | snap | 1.1.1 | indirect |
| crates.io | strsim | 0.11.1 | indirect |
| crates.io | syn | 2.0.101 | indirect |
| crates.io | syn | 2.0.98 | indirect |
| crates.io | target-lexicon | 0.13.2 | indirect |
| crates.io | tempfile | 3.17.1 | indirect |
| crates.io | tempfile | 3.20.0 | indirect |
| crates.io | toml | 0.8.20 | indirect |
| crates.io | toml | 0.8.22 | indirect |
| crates.io | toml_datetime | 0.6.8 | indirect |
| crates.io | toml_datetime | 0.6.9 | indirect |
| crates.io | toml_edit | 0.22.24 | indirect |
| crates.io | toml_edit | 0.22.26 | indirect |
| crates.io | toml_write | 0.1.1 | indirect |
| crates.io | unicode-ident | 1.0.17 | indirect |
| crates.io | unicode-ident | 1.0.18 | indirect |
| crates.io | unindent | 0.2.3 | indirect |
| crates.io | utf8parse | 0.2.2 | indirect |
| crates.io | walkdir | 2.5.0 | indirect |
| crates.io | wasi | 0.13.3+wasi-0.2.2 | indirect |
| crates.io | wasi | 0.14.2+wasi-0.2.4 | indirect |
| crates.io | wasm-bindgen-backend | 0.2.100 | indirect |
| crates.io | wasm-bindgen-macro | 0.2.100 | indirect |
| crates.io | wasm-bindgen-macro-support | 0.2.100 | indirect |
| crates.io | wasm-bindgen-shared | 0.2.100 | indirect |
| crates.io | winapi-util | 0.1.9 | indirect |
| crates.io | windows-sys | 0.59.0 | indirect |
| crates.io | windows-targets | 0.52.6 | indirect |
| crates.io | windows_aarch64_gnullvm | 0.52.6 | indirect |
| crates.io | windows_aarch64_msvc | 0.52.6 | indirect |
| crates.io | windows_i686_gnu | 0.52.6 | indirect |
| crates.io | windows_i686_gnullvm | 0.52.6 | indirect |
| crates.io | windows_i686_msvc | 0.52.6 | indirect |
| crates.io | windows_x86_64_gnu | 0.52.6 | indirect |
| crates.io | windows_x86_64_gnullvm | 0.52.6 | indirect |
| crates.io | windows_x86_64_msvc | 0.52.6 | indirect |
| crates.io | winnow | 0.7.10 | indirect |
| crates.io | winnow | 0.7.3 | indirect |
| crates.io | wit-bindgen-rt | 0.33.0 | indirect |
| crates.io | wit-bindgen-rt | 0.39.0 | indirect |
| crates.io | xz2 | 0.1.7 | indirect |
| crates.io | zstd | 0.13.3 | indirect |
| crates.io | zstd-safe | 7.2.3 | indirect |
| crates.io | zstd-sys | 2.0.14+zstd.1.5.7 | indirect |
| npm | jsdom | ^26.1.0 | indirect |
| npm | typescript | ^5.8.3 | indirect |
| npm | vite | ^6.3.5 | indirect |
| npm | vite-plugin-wasm | ^3.4.1 | indirect |
| npm | vitest | ^3.1.4 | indirect |
| PyPI | asttokens | 3.0.0 | indirect |
| PyPI | attrs | 25.3.0 | indirect |
| PyPI | black | 26.3.1 | indirect |
| PyPI | brotlipy | 0.7.0 | indirect |
| PyPI | cattrs | 25.1.1 | indirect |
| PyPI | click | 8.2.1 | indirect |
| PyPI | colorama | 0.4.6 | indirect |
| PyPI | decorator | 5.2.1 | indirect |
| PyPI | exceptiongroup | 1.3.0 | indirect |
| PyPI | execnet | 2.1.1 | indirect |
| PyPI | executing | 2.2.0 | indirect |
| PyPI | hypothesis | 6.60.0 | indirect |
| PyPI | iniconfig | 2.1.0 | indirect |
| PyPI | ipython | 8.37.0 | indirect |
| PyPI | ipython | 9.4.0 | indirect |
| PyPI | ipython-pygments-lexers | 1.1.1 | indirect |
| PyPI | isal | 0.11.1 | indirect |
| PyPI | jedi | 0.19.2 | indirect |
| PyPI | lsprotocol | 2023.0.1 | indirect |
| PyPI | lz4 | 3.1.0 | indirect |
| PyPI | matplotlib-inline | 0.1.7 | indirect |
| PyPI | memory-profiler | — | indirect |
| PyPI | mypy-extensions | 1.1.0 | indirect |
| PyPI | nodeenv | 1.9.1 | indirect |
| PyPI | numpy | — | indirect |
| PyPI | numpy | 2.2.6 | indirect |
| PyPI | numpy | 2.3.2 | indirect |
| PyPI | packaging | 25.0 | indirect |
| PyPI | parso | 0.8.4 | indirect |
| PyPI | pathspec | 1.0.4 | indirect |
| PyPI | pexpect | 4.9.0 | indirect |
| PyPI | platformdirs | 4.3.8 | indirect |
| PyPI | pluggy | 1.6.0 | indirect |
| PyPI | prompt-toolkit | 3.0.51 | indirect |
| PyPI | ptyprocess | 0.7.0 | indirect |
| PyPI | pure-eval | 0.2.3 | indirect |
| PyPI | py-cpuinfo | 9.0.0 | indirect |
| PyPI | pygls | 1.3.1 | indirect |
| PyPI | pygments | 2.20.0 | indirect |
| PyPI | pyright | 1.1.403 | indirect |
| PyPI | pytest | 9.0.3 | indirect |
| PyPI | pytest-benchmark | 4.0.0 | indirect |
| PyPI | pytest-benchmark | 5.1.0 | indirect |
| PyPI | pytest-xdist | 3.8.0 | indirect |
| PyPI | python-snappy | 0.5.4 | indirect |
| PyPI | pytokens | 0.4.1 | indirect |
| PyPI | ruff | 0.12.5 | indirect |
| PyPI | ruff-lsp | 0.0.62 | indirect |
| PyPI | sortedcontainers | 2.4.0 | indirect |
| PyPI | stack-data | 0.6.3 | indirect |
| PyPI | tomli | 2.2.1 | indirect |
| PyPI | traitlets | 5.14.3 | indirect |
| PyPI | typing-extensions | 4.14.1 | indirect |
| PyPI | wcwidth | 0.2.13 | indirect |
| PyPI | zstd | 1.5.4.0 | indirect |
{
"data": {
"repo": {
"topics": [
"rust",
"python",
"decompression",
"compression",
"snappy",
"brotli",
"lz4",
"gzip",
"zstd",
"deflate",
"bzip2",
"blosc2"
],
"is_fork": false,
"size_kb": 56540,
"has_wiki": true,
"homepage": null,
"languages": {
"Rust": 139120,
"Python": 61516,
"Makefile": 1048,
"JavaScript": 3433,
"TypeScript": 992
},
"pushed_at": "2026-05-18T05:53:00Z",
"created_at": "2020-03-08T07:46:33Z",
"owner_type": "User",
"updated_at": "2026-06-28T20:33:31Z",
"description": "Your go-to for easy access to a plethora of compression algorithms, all neatly bundled in one simple installation.",
"is_archived": false,
"is_disabled": false,
"license_spdx": "MIT",
"default_branch": "master",
"primary_language": "Rust",
"significant_languages": [
"Rust",
"Python"
]
},
"owner": {
"blog": null,
"name": "Miles Granger",
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"components": [
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"points": 100,
"status": "met",
"details": [
{
"code": "abandonment_unverified",
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}
],
"max_points": 100
}
]
}
],
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},
{
"key": "community",
"band": "moderate",
"name": "Community & Adoption",
"value": 59,
"weight": 0.18,
"metrics": [
{
"key": "popularity",
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"name": "Popularity & adoption",
"note": null,
"notes": [],
"value": 42,
"inputs": {
"forks": 12,
"stars": 123,
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"growth_factor_pct": 100,
"growth_unverified_reason": "no_history"
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"components": [
{
"key": "stars",
"name": "Stars",
"detail": "123 stars",
"points": 33.8,
"status": "partial",
"details": [
{
"code": "stars",
"params": {
"count": 123
}
}
],
"max_points": 60
},
{
"key": "forks",
"name": "Forks",
"detail": "12 forks",
"points": 8.7,
"status": "partial",
"details": [
{
"code": "forks",
"params": {
"count": 12
}
}
],
"max_points": 25
},
{
"key": "watchers",
"name": "Watchers",
"detail": "1 watchers",
"points": 0,
"status": "missed",
"details": [
{
"code": "watchers",
"params": {
"count": 1
}
}
],
"max_points": 15
}
]
},
{
"key": "community_health",
"band": "moderate",
"name": "Community health",
"note": null,
"notes": [],
"value": 50,
"inputs": {
"has_readme": true,
"has_license": true,
"has_contributing": false,
"has_issue_template": false,
"has_code_of_conduct": false,
"has_pull_request_template": false
},
"components": [
{
"key": "readme",
"name": "README",
"detail": null,
"points": 22.5,
"status": "met",
"details": [],
"max_points": 22.5
},
{
"key": "license",
"name": "License",
"detail": "recognized license (MIT)",
"points": 22.5,
"status": "met",
"details": [
{
"code": "license_standard",
"params": {}
},
{
"code": "license_spdx",
"params": {
"spdx": "MIT"
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}
],
"max_points": 22.5
},
{
"key": "contributing_guide",
"name": "CONTRIBUTING guide",
"detail": null,
"points": 0,
"status": "missed",
"details": [],
"max_points": 18
},
{
"key": "code_of_conduct",
"name": "Code of conduct",
"detail": null,
"points": 0,
"status": "missed",
"details": [],
"max_points": 13.5
},
{
"key": "issue_template",
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"points": 0,
"status": "missed",
"details": [],
"max_points": 7.2
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{
"key": "pr_template",
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"points": 0,
"status": "missed",
"details": [],
"max_points": 6.3
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]
},
{
"key": "ecosystem_adoption",
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"note": "Excluded from scoring (no data or not applicable): Registry dependents. Remaining weights renormalized.",
"notes": [
{
"code": "excluded_no_data",
"params": {
"components": [
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}
},
{
"code": "weights_renormalized",
"params": {}
}
],
"value": 100,
"inputs": {
"packages": [
"cramjam",
"cramjam"
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"dependents": null,
"ecosystems": "crates, pypi",
"total_downloads": 14206,
"monthly_downloads": 32154824
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"components": [
{
"key": "monthly_downloads",
"name": "Monthly downloads",
"detail": "32,154,824 downloads/month across crates, pypi",
"points": 80,
"status": "met",
"details": [
{
"code": "downloads_monthly",
"params": {
"count": 32154824,
"ecosystems": "crates, pypi"
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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": {}
}
],
"max_points": 20
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]
}
],
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},
{
"key": "governance",
"band": "moderate",
"name": "Sustainability & Governance",
"value": 64,
"weight": 0.24,
"metrics": [
{
"key": "maintainer_resilience",
"band": "at_risk",
"name": "Maintainer resilience (bus factor)",
"note": null,
"notes": [],
"value": 39,
"inputs": {
"bus_factor": 1,
"contributors_sampled": 11,
"top_contributor_share": 0.726
},
"components": [
{
"key": "bus_factor",
"name": "Bus factor",
"detail": "1 contributor(s) cover half of all commits",
"points": 9,
"status": "partial",
"details": [
{
"code": "bus_factor",
"params": {
"count": 1
}
}
],
"max_points": 54
},
{
"key": "commit_distribution",
"name": "Commit distribution",
"detail": "top contributor authored 73% of commits",
"points": 6.2,
"status": "partial",
"details": [
{
"code": "top_contributor_share",
"params": {
"share": 73
}
}
],
"max_points": 22.5
},
{
"key": "contributor_breadth",
"name": "Contributor breadth",
"detail": "11 contributors",
"points": 13.5,
"status": "met",
"details": [
{
"code": "contributors_sampled",
"params": {
"count": 11
}
}
],
"max_points": 13.5
},
{
"key": "openssf_scorecard_contributors",
"name": "OpenSSF Scorecard: Contributors",
"detail": "project has 8 contributing companies or organizations",
"points": 10,
"status": "met",
"details": [],
"max_points": 10
}
]
},
{
"key": "responsiveness",
"band": "good",
"name": "Issue & PR responsiveness",
"note": null,
"notes": [],
"value": 77,
"inputs": {
"merged_prs": 140,
"open_issues": 11,
"closed_issues": 69,
"issue_closed_ratio": 0.863,
"closed_unmerged_prs": 18
},
"components": [
{
"key": "issue_resolution",
"name": "Issue resolution",
"detail": "86% of issues closed",
"points": 40.3,
"status": "partial",
"details": [
{
"code": "issues_closed_share",
"params": {
"share": 86
}
}
],
"max_points": 46.75
},
{
"key": "pr_acceptance",
"name": "PR acceptance",
"detail": "140/158 decided PRs merged",
"points": 33.9,
"status": "partial",
"details": [
{
"code": "decided_prs_merged",
"params": {
"merged": 140,
"decided": 158
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}
],
"max_points": 38.25
},
{
"key": "openssf_scorecard_code_review",
"name": "OpenSSF Scorecard: Code-Review",
"detail": "Found 7/27 approved changesets -- score normalized to 2",
"points": 3,
"status": "partial",
"details": [],
"max_points": 15
}
]
},
{
"key": "stewardship",
"band": "moderate",
"name": "Ownership & stewardship",
"note": "Excluded from scoring (no data or not applicable): Verified domain. Remaining weights renormalized.",
"notes": [
{
"code": "excluded_no_data",
"params": {
"components": [
"verified_domain"
]
}
},
{
"code": "weights_renormalized",
"params": {}
}
],
"value": 61,
"inputs": {
"followers": 87,
"owner_type": "User",
"is_verified": null,
"owner_login": "milesgranger",
"public_repos": 94,
"account_age_days": 3993
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"components": [
{
"key": "ownership_backing",
"name": "Ownership backing",
"detail": "personal (user) account",
"points": 10,
"status": "partial",
"details": [
{
"code": "owner_personal",
"params": {}
}
],
"max_points": 30
},
{
"key": "verified_domain",
"name": "Verified domain",
"detail": "not applicable to user accounts",
"points": 0,
"status": "excluded",
"details": [
{
"code": "not_applicable_to_user_accounts",
"params": {}
}
],
"max_points": 20
},
{
"key": "owner_reach",
"name": "Owner reach",
"detail": "87 followers of milesgranger",
"points": 14,
"status": "partial",
"details": [
{
"code": "owner_followers",
"params": {
"count": 87,
"login": "milesgranger"
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}
],
"max_points": 25
},
{
"key": "track_record",
"name": "Track record",
"detail": "94 public repos, account ~10 yr old",
"points": 25,
"status": "met",
"details": [
{
"code": "public_repos",
"params": {
"count": 94
}
},
{
"code": "account_age_years",
"params": {
"years": 10
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}
],
"max_points": 25
}
]
},
{
"key": "package_maintenance",
"band": "excellent",
"name": "Package maintenance",
"note": null,
"notes": [],
"value": 91,
"inputs": {
"packages": [
"cramjam",
"cramjam"
],
"ecosystems": "crates, pypi",
"any_deprecated": false,
"min_days_since_publish": 353
},
"components": [
{
"key": "published_resolvable",
"name": "Published & resolvable",
"detail": "2 package(s) on crates, pypi",
"points": 25,
"status": "met",
"details": [
{
"code": "packages_published",
"params": {
"count": 2,
"ecosystems": "crates, pypi"
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}
],
"max_points": 25
},
{
"key": "publish_recency",
"name": "Publish recency",
"detail": "latest publish 353 days ago",
"points": 26,
"status": "partial",
"details": [
{
"code": "publish_recency",
"params": {
"days": 353
}
}
],
"max_points": 35
},
{
"key": "version_history",
"name": "Version history",
"detail": "49 published versions",
"points": 20,
"status": "met",
"details": [
{
"code": "published_versions",
"params": {
"count": 49
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}
],
"max_points": 20
},
{
"key": "not_deprecated",
"name": "Not deprecated",
"detail": "active, not deprecated or yanked",
"points": 20,
"status": "met",
"details": [
{
"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?"
},
{
"key": "engineering",
"band": "moderate",
"name": "Engineering Quality",
"value": 68,
"weight": 0.2,
"metrics": [
{
"key": "engineering_practices",
"band": "moderate",
"name": "Engineering practices",
"note": null,
"notes": [],
"value": 56,
"inputs": {
"has_ci": true,
"has_tests": true,
"has_editorconfig": false,
"has_linter_config": false,
"has_precommit_config": false
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"components": [
{
"key": "ci_workflows",
"name": "CI workflows",
"detail": "1 workflow(s)",
"points": 24,
"status": "met",
"details": [
{
"code": "ci_workflows",
"params": {
"count": 1
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}
],
"max_points": 24
},
{
"key": "tests_present",
"name": "Tests present",
"detail": null,
"points": 24,
"status": "met",
"details": [],
"max_points": 24
},
{
"key": "linter_config",
"name": "Linter config",
"detail": null,
"points": 0,
"status": "missed",
"details": [],
"max_points": 16
},
{
"key": "pre_commit_hooks",
"name": "Pre-commit hooks",
"detail": null,
"points": 0,
"status": "missed",
"details": [],
"max_points": 9.6
},
{
"key": "editorconfig",
"name": ".editorconfig",
"detail": null,
"points": 0,
"status": "missed",
"details": [],
"max_points": 6.4
},
{
"key": "openssf_scorecard_ci_tests",
"name": "OpenSSF Scorecard: CI-Tests",
"detail": "11 out of 25 merged PRs checked by a CI test -- score normalized to 4",
"points": 8,
"status": "partial",
"details": [],
"max_points": 20
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]
},
{
"key": "documentation",
"band": "excellent",
"name": "Documentation",
"note": null,
"notes": [],
"value": 85,
"inputs": {
"topics": [
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"python",
"decompression",
"compression",
"snappy",
"brotli",
"lz4",
"gzip",
"zstd",
"deflate",
"bzip2",
"blosc2"
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"has_wiki": true,
"homepage": null,
"has_readme": true,
"has_docs_dir": true,
"has_description": true
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"components": [
{
"key": "readme",
"name": "README",
"detail": null,
"points": 30,
"status": "met",
"details": [],
"max_points": 30
},
{
"key": "documentation_directory",
"name": "Documentation directory",
"detail": null,
"points": 25,
"status": "met",
"details": [],
"max_points": 25
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{
"key": "documentation_homepage_site",
"name": "Documentation / homepage site",
"detail": null,
"points": 0,
"status": "missed",
"details": [],
"max_points": 15
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{
"key": "repository_description",
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"detail": null,
"points": 10,
"status": "met",
"details": [],
"max_points": 10
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{
"key": "topics",
"name": "Topics",
"detail": "12 topics",
"points": 10,
"status": "met",
"details": [
{
"code": "topics_count",
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}
],
"max_points": 10
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{
"key": "wiki",
"name": "Wiki",
"detail": null,
"points": 10,
"status": "met",
"details": [],
"max_points": 10
}
]
}
],
"description": "Are baseline engineering and documentation practices in place?"
},
{
"key": "security",
"band": "at_risk",
"name": "Security",
"value": 41,
"weight": 0.16,
"metrics": [
{
"key": "security_posture",
"band": "at_risk",
"name": "Security posture",
"note": null,
"notes": [],
"value": 41,
"inputs": {
"source": "openssf_scorecard",
"checks_evaluated": 18,
"scorecard_version": "v5.5.0",
"checks_inconclusive": 0,
"scorecard_aggregate": 4.1
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"components": [
{
"key": "binary_artifacts",
"name": "Binary-Artifacts",
"detail": "no binaries found in the repo",
"points": 7.5,
"status": "met",
"details": [],
"max_points": 7.5
},
{
"key": "branch_protection",
"name": "Branch-Protection",
"detail": "branch protection not enabled on development/release branches",
"points": 0,
"status": "missed",
"details": [],
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{
"key": "ci_tests",
"name": "CI-Tests",
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"points": 1,
"status": "partial",
"details": [],
"max_points": 2.5
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{
"key": "cii_best_practices",
"name": "CII-Best-Practices",
"detail": "no effort to earn an OpenSSF best practices badge detected",
"points": 0,
"status": "missed",
"details": [],
"max_points": 2.5
},
{
"key": "code_review",
"name": "Code-Review",
"detail": "Found 7/27 approved changesets -- score normalized to 2",
"points": 1.5,
"status": "partial",
"details": [],
"max_points": 7.5
},
{
"key": "contributors",
"name": "Contributors",
"detail": "project has 8 contributing companies or organizations",
"points": 2.5,
"status": "met",
"details": [],
"max_points": 2.5
},
{
"key": "dangerous_workflow",
"name": "Dangerous-Workflow",
"detail": "no dangerous workflow patterns detected",
"points": 10,
"status": "met",
"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 not fuzzed",
"points": 0,
"status": "missed",
"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": "1 commit(s) and 0 issue activity found in the last 90 days -- score normalized to 0",
"points": 0,
"status": "missed",
"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 0",
"points": 0,
"status": "missed",
"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": "3 existing vulnerabilities detected",
"points": 5.2,
"status": "partial",
"details": [],
"max_points": 7.5
}
]
},
{
"key": "high_risk_jurisdiction_exposure",
"band": "excellent",
"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"
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"review_only_matches": 0,
"assessed_self_published_locations": 7
},
"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": 53,
"weight": 0,
"metrics": [
{
"key": "ai_agent_context",
"band": "critical",
"name": "Agent context & guidance",
"note": "Excluded from scoring (no data or not applicable): Legible commit history. Remaining weights renormalized.",
"notes": [
{
"code": "excluded_no_data",
"params": {
"components": [
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}
},
{
"code": "weights_renormalized",
"params": {}
}
],
"value": 1,
"inputs": {
"has_llms_txt": false,
"legible_history_share": null,
"agent_instruction_files": [],
"agent_instruction_max_bytes": null
},
"components": [
{
"key": "agent_instructions",
"name": "Agent instructions",
"detail": "no CLAUDE.md / AGENTS.md / editor rules",
"points": 0,
"status": "missed",
"details": [
{
"code": "no_agent_instructions",
"params": {}
}
],
"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": "no data",
"points": 0,
"status": "excluded",
"details": [
{
"code": "no_data",
"params": {}
}
],
"max_points": 40
}
]
},
{
"key": "ai_verify_loop",
"band": "good",
"name": "Verify loop (build / test / typecheck)",
"note": "Excluded from scoring (no data or not applicable): Demonstrated agent practice, Automated maintenance. Remaining weights renormalized.",
"notes": [
{
"code": "excluded_no_data",
"params": {
"components": [
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}
},
{
"code": "weights_renormalized",
"params": {}
}
],
"value": 74,
"inputs": {
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"has_tests": true,
"lockfiles": [
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"uv.lock"
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"has_dockerfile": false,
"typed_language": true,
"bootstrap_files": [
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"has_linter_config": false,
"typecheck_configs": [
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"src/cramjam/py.typed"
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"agent_commit_share": null,
"toolchain_manifests": [],
"dependency_bot_commit_share": null
},
"components": [
{
"key": "one_command_bootstrap",
"name": "One-command bootstrap",
"detail": "Makefile",
"points": 18,
"status": "met",
"details": [
{
"code": "file_list",
"params": {
"files": "Makefile"
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}
],
"max_points": 18
},
{
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}
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},
"warnings": [
"Could not fetch crates package 'cramjam-python' from its registry",
"npm package 'cramjam' points at a different repository (git+https://github.com/milesgranger/cramjam.git); excluded from ecosystem scoring"
],
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}Scores are signals, not warranties. They reflect publicly visible practices on GitHub — not a code audit, and not a security guarantee.
Missing data is excluded and weights renormalized, never scored as zero. Methodology is versioned and open: metrics v1.13.0, schema v0.12.0 — full methodology · metrics wiki.
How one result sits in the wider record: aggregate statistics — crates.io, npm, PyPI.