Public recordAt risk
Software health reportschema 0.14.0 · metrics 1.13.0 · 2026-07-19 04:53 UTC
slowli / yab
Yet Another Benchmarking framework powered by `cachegrind`
slowli/yab holds a health index of 44 out of 100, placing it in the At risk band. It scores highest on Vitality (56/100) and lowest on Sustainability & Governance (32/100). It was last updated today. A single contributor accounts for most of its recent work.
44
overall / 100Software health index
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.
44
Excellent85-100Exemplary; meets essentially all checked criteria
Good70-84Healthy; minor gaps
Moderate50-69Acceptable with notable gaps; review recommended
At risk30-49Significant weaknesses; adoption warrants caution
Critical1-29Severe problems (abandoned, single-maintainer, no hygiene)
Score profile
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.
Ownership
Alex OstrovskiPersonal account
116 followers48 public repossince Nov 2014@matter-labs
This repository is owned by a personal account. A single-owner project carries more continuity risk than an organization-backed one.
Metrics by category
Vitality
Is the project alive — is code being written and are releases shipping?
56
Development activity
50Moderate
How it's scored
| 36/36 | Push recency — last push 0 days ago |
| 3.5/36 | Commit cadence — 5/52 weeks with commits |
| 9/18 | Commit volume — 9 commits in the last year |
| 2/10 | OpenSSF Scorecard: Maintained — 3 commit(s) and 0 issue activity found in the last 90 days -- score normalized to 2 |
Inputs used
| commits_last_year | 9 |
| human_commit_share | — |
| days_since_last_push | 0 |
| active_weeks_last_year | 5 |
Release discipline
64Moderate
How it's scored
| 16.2/27 | Ships releases — 2 version tags (no GitHub releases) |
| 36/36 | Release recency — latest release 0 days ago |
| 5.4/27 | Release cadence — a release every ~636 days |
| 0/10 | OpenSSF Scorecard: Signed-Releases — no data |
Inputs used
| releases_count | 2 |
| latest_release_tag | v0.2.0 |
| releases_from_tags | yes |
| days_since_latest_release | 0 |
| mean_days_between_releases | 636 |
Excluded from scoring (no data or not applicable): OpenSSF Scorecard: Signed-Releases. Remaining weights renormalized.
Community & Adoption
Does the project have users, downloads, attention, and a welcoming setup for contributors?
36
Popularity & adoption
1Critical
How it's scored
| 0/60 | Stars — 1 stars |
| 0/25 | Forks — 0 forks |
| 0/15 | Watchers — 1 watchers |
Inputs used
| forks | 0 |
| stars | 1 |
| watchers | 1 |
| growth_state | unverified |
| growth_factor_pct | 100 |
| growth_unverified_reason | no_history |
Community health
77Good
How it's scored
| 22.5/22.5 | README |
| 22.5/22.5 | License — recognized license (Apache-2.0) |
| 18/18 | CONTRIBUTING guide |
| 0/13.5 | Code of conduct |
| 0/7.2 | Issue template |
| 6.3/6.3 | PR template |
Inputs used
| has_readme | yes |
| has_license | yes |
| has_contributing | yes |
| has_issue_template | no |
| has_code_of_conduct | no |
| has_pull_request_template | yes |
Sustainability & Governance
Will the project survive its people — bus factor, responsiveness, who backs it, and package upkeep?
32
Maintainer resilience (bus factor)
18Critical
How it's scored
| 9/54 | Bus factor — 1 contributor(s) cover half of all commits |
| 2.9/22.5 | Commit distribution — top contributor authored 87% of commits |
| 2.7/13.5 | Contributor breadth — 2 contributors |
| 3/10 | OpenSSF Scorecard: Contributors — project has 1 contributing companies or organizations -- score normalized to 3 |
Inputs used
| bus_factor | 1 |
| contributors_sampled | 2 |
| top_contributor_share | 0.87 |
Issue & PR responsiveness
18Critical
How it's scored
| 0/46.8 | Issue resolution — no issues or no data |
| 9.7/38.3 | PR acceptance — 18/71 decided PRs merged |
| 0/15 | OpenSSF Scorecard: Code-Review — Found 0/24 approved changesets -- score normalized to 0 |
Inputs used
| merged_prs | 18 |
| open_issues | 0 |
| closed_issues | 0 |
| issue_closed_ratio | — |
| closed_unmerged_prs | 53 |
Excluded from scoring (no data or not applicable): Issue resolution. Remaining weights renormalized.
Ownership & stewardship
62Moderate
How it's scored
| 10/30 | Ownership backing — personal (user) account |
| 0/20 | Verified domain — not applicable to user accounts |
| 14.9/25 | Owner reach — 116 followers of slowli |
| 24.3/25 | Track record — 48 public repos, account ~11 yr old |
Inputs used
| followers | 116 |
| owner_type | User |
| is_verified | — |
| owner_login | slowli |
| public_repos | 48 |
| account_age_days | 4,271 |
Excluded from scoring (no data or not applicable): Verified domain. Remaining weights renormalized.
Engineering Quality
Are baseline engineering and documentation practices in place?
54
Engineering practices
64Moderate
How it's scored
| 24/24 | CI workflows — 1 workflow(s) |
| 24/24 | Tests present |
| 0/16 | Linter config |
| 0/9.6 | Pre-commit hooks |
| 6.4/6.4 | .editorconfig |
| 10/20 | OpenSSF Scorecard: CI-Tests — 9 out of 18 merged PRs checked by a CI test -- score normalized to 5 |
Inputs used
| has_ci | yes |
| has_tests | yes |
| has_editorconfig | yes |
| has_linter_config | no |
| has_precommit_config | no |
Documentation
40At risk
How it's scored
| 30/30 | README |
| 0/25 | Documentation directory |
| 0/15 | Documentation / homepage site |
| 10/10 | Repository description |
| 0/10 | Topics |
| 0/10 | Wiki |
Inputs used
| topics | — |
| has_wiki | no |
| homepage | — |
| has_readme | yes |
| has_docs_dir | no |
| has_description | yes |
Security
Are visible security and supply-chain practices strong, without unresolved high-risk jurisdiction exposure?
44
Security posture
44At risk
How it's scored
| 7.5/7.5 | Binary-Artifacts — no binaries found in the repo |
| 2.2/7.5 | Branch-Protection — branch protection is not maximal on development and all release branches |
| 1.2/2.5 | CI-Tests — 9 out of 18 merged PRs checked by a CI test -- score normalized to 5 |
| 0/2.5 | CII-Best-Practices — no effort to earn an OpenSSF best practices badge detected |
| 0/7.5 | Code-Review — Found 0/24 approved changesets -- score normalized to 0 |
| 0.8/2.5 | Contributors — project has 1 contributing companies or organizations -- score normalized to 3 |
| 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 |
| 1.5/7.5 | Maintained — 3 commit(s) and 0 issue activity found in the last 90 days -- score normalized to 2 |
| 0/5 | Packaging — no data |
| 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 — no data |
| 0/7.5 | Token-Permissions — detected GitHub workflow tokens with excessive permissions |
| 7.5/7.5 | Vulnerabilities — 0 existing vulnerabilities detected |
Inputs used
| source | openssf_scorecard |
| checks_evaluated | 16 |
| scorecard_version | v5.5.0 |
| checks_inconclusive | 2 |
| scorecard_aggregate | 4.4 |
Excluded from scoring (no data or not applicable): packaging, signed_releases. Remaining weights renormalized.
AI Readiness
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.
42
Agent context & guidance
1Critical
How it's scored
| 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 |
Inputs used
| has_llms_txt | no |
| legible_history_share | — |
| agent_instruction_files | — |
| agent_instruction_max_bytes | — |
Excluded from scoring (no data or not applicable): Legible commit history. Remaining weights renormalized.
Verify loop (build / test / typecheck)
53Moderate
How it's scored
| 0/18 | One-command bootstrap |
| 22/22 | Automated tests |
| 0/11 | Lint / format config |
| 11/11 | Static type checking — Rust (statically typed) |
| 10/10 | Reproducible environment — lockfile |
| 0/10 | Demonstrated agent practice — no data |
| 5/8 | Automated maintenance — dependency automation configured, none observed in the sampled commits |
| 0/10 | OpenSSF Scorecard: Pinned-Dependencies — dependency not pinned by hash detected -- score normalized to 0 |
Inputs used
| has_nix | no |
| has_tests | yes |
| lockfiles | Cargo.lock |
| has_dockerfile | no |
| typed_language | yes |
| bootstrap_files | — |
| has_devcontainer | no |
| has_linter_config | no |
| typecheck_configs | — |
| agent_commit_share | — |
| toolchain_manifests | — |
| dependency_bot_commit_share | 0 |
Excluded from scoring (no data or not applicable): Demonstrated agent practice. Remaining weights renormalized.
Code legibility for models
100Excellent
How it's scored
| 45/45 | Type-checkable code — Rust (statically typed) |
| 55/55 | Manageable file sizes — 0/19 source files over 60KB |
Inputs used
| primary_language | Rust |
| largest_source_bytes | 33,773 |
| source_files_sampled | 19 |
| oversized_source_files | 0 |
Machine-readable interfaces
40At risk
How it's scored
| 0/40 | API schema (OpenAPI/GraphQL/proto) |
| 0/20 | MCP server |
| 40/40 | Runnable examples — examples |
Inputs used
| example_dirs | examples |
| has_mcp_signal | no |
| api_schema_files | — |
Key facts
1GitHub stars
2contributors
9commits, last 12 months
0days since last push
2releases
1bus factor
0open issues
crates.iopackage ecosystems
Data collection warnings
- Could not fetch crates package 'yab-e2e-tests' from its registry
More detail
OpenSSF Scorecard 4.4 / 10
4.4aggregate
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 |
| 3 | Branch-Protection | branch protection is not maximal on development and all release branches |
| 5 | CI-Tests | 9 out of 18 merged PRs checked by a CI test -- score normalized to 5 |
| 0 | CII-Best-Practices | no effort to earn an OpenSSF best practices badge detected |
| 0 | Code-Review | Found 0/24 approved changesets -- score normalized to 0 |
| 3 | Contributors | project has 1 contributing companies or organizations -- score normalized to 3 |
| 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 |
| 2 | Maintained | 3 commit(s) and 0 issue activity found in the last 90 days -- score normalized to 2 |
| n/a | Packaging | packaging workflow not 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 |
| n/a | Signed-Releases | no releases found |
| 0 | Token-Permissions | detected GitHub workflow tokens with excessive permissions |
| 10 | Vulnerabilities | 0 existing vulnerabilities detected |
Direct dependencies 5
| Registry | Package | Version constraint | Manifest |
|---|---|---|---|
| crates.io | rand | — | e2e-tests/Cargo.toml |
| crates.io | serde_json | — | e2e-tests/Cargo.toml |
| crates.io | yab | — | e2e-tests/Cargo.toml |
| crates.io | serde | — | e2e-tests/Cargo.toml |
| crates.io | regex | — | e2e-tests/Cargo.toml |
All dependencies 164
Full resolved dependency set from the GitHub dependency graph: 4 direct and 160 indirect (transitive) packages. The transitive closure is complete when the repository commits a lockfile.
| Registry | Package | Version | Relation |
|---|---|---|---|
| crates.io | rand | 0.10.2 | direct |
| crates.io | regex | 1.13.1 | direct |
| crates.io | serde | 1.0.228 | direct |
| crates.io | serde_json | 1.0.150 | direct |
| crates.io | aho-corasick | 1.1.4 | indirect |
| crates.io | anstream | 1.0.0 | indirect |
| crates.io | anstyle | 1.0.14 | indirect |
| crates.io | anstyle-parse | 1.0.0 | indirect |
| crates.io | anstyle-query | 1.1.5 | indirect |
| crates.io | anstyle-wincon | 3.0.11 | indirect |
| crates.io | anyhow | 1.0.103 | indirect |
| crates.io | assert_matches | 1.5.0 | indirect |
| crates.io | base64 | 0.22.1 | indirect |
| crates.io | bindgen | 0.72.1 | indirect |
| crates.io | bitflags | 2.11.0 | indirect |
| crates.io | block-buffer | 0.10.4 | indirect |
| crates.io | bytecount | 0.6.9 | indirect |
| crates.io | cc | 1.2.56 | indirect |
| crates.io | cexpr | 0.6.0 | indirect |
| crates.io | cfg-if | 1.0.4 | indirect |
| crates.io | chacha20 | 0.10.0 | indirect |
| crates.io | clang-sys | 1.8.1 | indirect |
| crates.io | clap | 4.6.2 | indirect |
| crates.io | clap_builder | 4.6.2 | indirect |
| crates.io | clap_derive | 4.6.1 | indirect |
| crates.io | clap_lex | 1.0.0 | indirect |
| crates.io | colorchoice | 1.0.4 | indirect |
| crates.io | compile-fmt | 0.1.0 | indirect |
| crates.io | cpufeatures | 0.2.17 | indirect |
| crates.io | cpufeatures | 0.3.0 | indirect |
| crates.io | crabgrind | 0.3.0 | indirect |
| crates.io | crypto-common | 0.1.7 | indirect |
| crates.io | darling | 0.20.11 | indirect |
| crates.io | darling_core | 0.20.11 | indirect |
| crates.io | darling_macro | 0.20.11 | indirect |
| crates.io | derive_builder | 0.20.2 | indirect |
| crates.io | derive_builder_core | 0.20.2 | indirect |
| crates.io | derive_builder_macro | 0.20.2 | indirect |
| crates.io | diff | 0.1.13 | indirect |
| crates.io | digest | 0.10.7 | indirect |
| crates.io | displaydoc | 0.2.5 | indirect |
| crates.io | doc-comment | 0.3.4 | indirect |
| crates.io | either | 1.15.0 | indirect |
| crates.io | equivalent | 1.0.2 | indirect |
| crates.io | errno | 0.3.14 | indirect |
| crates.io | fastrand | 2.3.0 | indirect |
| crates.io | find-msvc-tools | 0.1.9 | indirect |
| crates.io | fnv | 1.0.7 | indirect |
| crates.io | foldhash | 0.1.5 | indirect |
| crates.io | form_urlencoded | 1.2.2 | indirect |
| crates.io | generic-array | 0.14.7 | indirect |
| crates.io | getrandom | 0.4.1 | indirect |
| crates.io | glob | 0.3.3 | indirect |
| crates.io | handlebars | 6.4.3 | indirect |
| crates.io | hashbrown | 0.15.5 | indirect |
| crates.io | hashbrown | 0.16.1 | indirect |
| crates.io | heck | 0.5.0 | indirect |
| crates.io | hermit-abi | 0.5.2 | indirect |
| crates.io | icu_collections | 2.1.1 | indirect |
| crates.io | icu_locale_core | 2.1.1 | indirect |
| crates.io | icu_normalizer | 2.1.1 | indirect |
| crates.io | icu_normalizer_data | 2.1.1 | indirect |
| crates.io | icu_properties | 2.1.2 | indirect |
| crates.io | icu_properties_data | 2.1.2 | indirect |
| crates.io | icu_provider | 2.1.1 | indirect |
| crates.io | id-arena | 2.3.0 | indirect |
| crates.io | ident_case | 1.0.1 | indirect |
| crates.io | idna | 1.1.0 | indirect |
| crates.io | idna_adapter | 1.2.1 | indirect |
| crates.io | indexmap | 2.13.0 | indirect |
| crates.io | is_terminal_polyfill | 1.70.2 | indirect |
| crates.io | itertools | 0.13.0 | indirect |
| crates.io | itoa | 1.0.17 | indirect |
| crates.io | leb128fmt | 0.1.0 | indirect |
| crates.io | libc | 0.2.182 | indirect |
| crates.io | libloading | 0.8.9 | indirect |
| crates.io | linux-raw-sys | 0.12.1 | indirect |
| crates.io | litemap | 0.8.1 | indirect |
| crates.io | log | 0.4.29 | indirect |
| crates.io | memchr | 2.8.0 | indirect |
| crates.io | minimal-lexical | 0.2.1 | indirect |
| crates.io | nom | 7.1.3 | indirect |
| crates.io | num-modular | 0.6.1 | indirect |
| crates.io | num-order | 1.2.0 | indirect |
| crates.io | num_cpus | 1.17.0 | indirect |
| crates.io | once_cell | 1.21.4 | indirect |
| crates.io | once_cell_polyfill | 1.70.2 | indirect |
| crates.io | os_pipe | 1.2.3 | indirect |
| crates.io | percent-encoding | 2.3.2 | indirect |
| crates.io | pest | 2.8.6 | indirect |
| crates.io | pest_derive | 2.8.6 | indirect |
| crates.io | pest_generator | 2.8.6 | indirect |
| crates.io | pest_meta | 2.8.6 | indirect |
| crates.io | pkg-config | 0.3.32 | indirect |
| crates.io | potential_utf | 0.1.4 | indirect |
| crates.io | pretty_assertions | 1.4.1 | indirect |
| crates.io | prettyplease | 0.2.37 | indirect |
| crates.io | proc-macro2 | 1.0.106 | indirect |
| crates.io | pulldown-cmark | 0.9.6 | indirect |
| crates.io | quick-xml | 0.41.0 | indirect |
| crates.io | quote | 1.0.45 | indirect |
| crates.io | r-efi | 5.3.0 | indirect |
| crates.io | rand_core | 0.10.0 | indirect |
| crates.io | regex-automata | 0.4.16 | indirect |
| crates.io | regex-syntax | 0.8.11 | indirect |
| crates.io | rustc-hash | 2.1.1 | indirect |
| crates.io | rustix | 1.1.4 | indirect |
| crates.io | rustversion | 1.0.23 | indirect |
| crates.io | semver | 1.0.27 | indirect |
| crates.io | serde_core | 1.0.228 | indirect |
| crates.io | serde_derive | 1.0.228 | indirect |
| crates.io | serde_spanned | 0.6.9 | indirect |
| crates.io | sha2 | 0.10.9 | indirect |
| crates.io | shlex | 1.3.0 | indirect |
| crates.io | smallvec | 1.15.1 | indirect |
| crates.io | stable_deref_trait | 1.2.1 | indirect |
| crates.io | strsim | 0.11.1 | indirect |
| crates.io | styled-str | 0.5.0 | indirect |
| crates.io | syn | 2.0.117 | indirect |
| crates.io | synstructure | 0.13.2 | indirect |
| crates.io | tempfile | 3.27.0 | indirect |
| crates.io | term-transcript | 0.5.0 | indirect |
| crates.io | terminal_size | 0.4.4 | indirect |
| crates.io | thiserror | 2.0.18 | indirect |
| crates.io | thiserror-impl | 2.0.18 | indirect |
| crates.io | tinystr | 0.8.2 | indirect |
| crates.io | toml | 0.7.8 | indirect |
| crates.io | toml_datetime | 0.6.11 | indirect |
| crates.io | toml_edit | 0.19.15 | indirect |
| crates.io | typenum | 1.19.0 | indirect |
| crates.io | ucd-trie | 0.1.7 | indirect |
| crates.io | unicase | 2.9.0 | indirect |
| crates.io | unicode-ident | 1.0.24 | indirect |
| crates.io | unicode-width | 0.2.2 | indirect |
| crates.io | unicode-xid | 0.2.6 | indirect |
| crates.io | url | 2.5.8 | indirect |
| crates.io | utf8_iter | 1.0.4 | indirect |
| crates.io | utf8parse | 0.2.2 | indirect |
| crates.io | version-sync | 0.9.5 | indirect |
| crates.io | version_check | 0.9.5 | indirect |
| crates.io | wasip2 | 1.0.2+wasi-0.2.9 | indirect |
| crates.io | wasip3 | 0.4.0+wasi-0.3.0-rc-2026-01-06 | indirect |
| crates.io | wasm-encoder | 0.244.0 | indirect |
| crates.io | wasm-metadata | 0.244.0 | indirect |
| crates.io | wasmparser | 0.244.0 | indirect |
| crates.io | windows-link | 0.2.1 | indirect |
| crates.io | windows-sys | 0.61.2 | indirect |
| crates.io | winnow | 0.5.40 | indirect |
| crates.io | wit-bindgen | 0.51.0 | indirect |
| crates.io | wit-bindgen-core | 0.51.0 | indirect |
| crates.io | wit-bindgen-rust | 0.51.0 | indirect |
| crates.io | wit-bindgen-rust-macro | 0.51.0 | indirect |
| crates.io | wit-component | 0.244.0 | indirect |
| crates.io | wit-parser | 0.244.0 | indirect |
| crates.io | writeable | 0.6.2 | indirect |
| crates.io | yansi | 1.0.1 | indirect |
| crates.io | yoke | 0.8.1 | indirect |
| crates.io | yoke-derive | 0.8.1 | indirect |
| crates.io | zerofrom | 0.1.6 | indirect |
| crates.io | zerofrom-derive | 0.1.6 | indirect |
| crates.io | zerotrie | 0.2.3 | indirect |
| crates.io | zerovec | 0.11.5 | indirect |
| crates.io | zerovec-derive | 0.11.2 | indirect |
| crates.io | zmij | 1.0.21 | indirect |
Raw JSON report machine-readable
{
"data": {
"repo": {
"topics": [],
"is_fork": false,
"size_kb": 1782,
"has_wiki": false,
"homepage": null,
"languages": {
"Rust": 161190,
"Shell": 882
},
"pushed_at": "2026-07-18T19:50:20Z",
"created_at": "2024-08-18T09:24:35Z",
"owner_type": "User",
"updated_at": "2026-07-18T19:47:31Z",
"description": "Yet Another Benchmarking framework powered by `cachegrind`",
"is_archived": false,
"is_disabled": false,
"license_spdx": "Apache-2.0",
"default_branch": "main",
"license_spdx_raw": "Apache-2.0",
"primary_language": "Rust",
"significant_languages": [
"Rust"
]
},
"owner": {
"blog": "https://ostrov.ski/",
"name": "Alex Ostrovski",
"type": "User",
"login": "slowli",
"company": "@matter-labs",
"location": "Kyiv, Ukraine",
"followers": 116,
"avatar_url": "https://avatars.githubusercontent.com/u/9612896?v=4",
"created_at": "2014-11-07T17:41:18Z",
"is_verified": null,
"public_repos": 48,
"account_age_days": 4271
},
"license": {
"state": "standard",
"spdx_id": "Apache-2.0",
"raw_spdx": "Apache-2.0",
"file_present": true,
"scorecard_found": true,
"profile_has_license": true
},
"activity": {
"releases_count": 2,
"commits_last_year": 9,
"latest_release_at": "2026-07-18T19:47:26Z",
"latest_release_tag": "v0.2.0",
"releases_from_tags": true,
"days_since_last_push": 0,
"active_weeks_last_year": 5,
"days_since_latest_release": 0,
"mean_days_between_releases": 636
},
"community": {
"has_readme": true,
"has_license": true,
"has_description": true,
"has_contributing": true,
"health_percentage": 71,
"has_issue_template": false,
"has_code_of_conduct": false,
"has_pull_request_template": true
},
"ecosystem": {
"packages": []
},
"popularity": {
"forks": 0,
"stars": 1,
"watchers": 1,
"open_issues_and_prs": 0
},
"ai_readiness": {
"has_nix": false,
"example_dirs": [
"examples"
],
"has_llms_txt": false,
"has_dockerfile": false,
"has_mcp_signal": false,
"bootstrap_files": [],
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"bus_factor": 1,
"top_contributors": [
{
"type": "User",
"login": "slowli",
"commits": 40,
"avatar_url": "https://avatars.githubusercontent.com/u/9612896?v=4"
},
{
"type": "Bot",
"login": "dependabot[bot]",
"commits": 6,
"avatar_url": "https://avatars.githubusercontent.com/in/29110?v=4"
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],
"contributors_sampled": 2,
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"has_docs_dir": false,
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"has_linter_config": false,
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},
"security_signals": {
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"checks": [
{
"name": "Binary-Artifacts",
"score": 10,
"reason": "no binaries found in the repo",
"documentation_url": "https://github.com/ossf/scorecard/blob/c395761df6afe1a69e476bc60a013a94bcbc153f/docs/checks.md#binary-artifacts"
},
{
"name": "Branch-Protection",
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"reason": "branch protection is not maximal on development and all release branches",
"documentation_url": "https://github.com/ossf/scorecard/blob/c395761df6afe1a69e476bc60a013a94bcbc153f/docs/checks.md#branch-protection"
},
{
"name": "CI-Tests",
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"reason": "9 out of 18 merged PRs checked by a CI test -- score normalized to 5",
"documentation_url": "https://github.com/ossf/scorecard/blob/c395761df6afe1a69e476bc60a013a94bcbc153f/docs/checks.md#ci-tests"
},
{
"name": "CII-Best-Practices",
"score": 0,
"reason": "no effort to earn an OpenSSF best practices badge detected",
"documentation_url": "https://github.com/ossf/scorecard/blob/c395761df6afe1a69e476bc60a013a94bcbc153f/docs/checks.md#cii-best-practices"
},
{
"name": "Code-Review",
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"documentation_url": "https://github.com/ossf/scorecard/blob/c395761df6afe1a69e476bc60a013a94bcbc153f/docs/checks.md#code-review"
},
{
"name": "Contributors",
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"reason": "project has 1 contributing companies or organizations -- score normalized to 3",
"documentation_url": "https://github.com/ossf/scorecard/blob/c395761df6afe1a69e476bc60a013a94bcbc153f/docs/checks.md#contributors"
},
{
"name": "Dangerous-Workflow",
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"reason": "no dangerous workflow patterns detected",
"documentation_url": "https://github.com/ossf/scorecard/blob/c395761df6afe1a69e476bc60a013a94bcbc153f/docs/checks.md#dangerous-workflow"
},
{
"name": "Dependency-Update-Tool",
"score": 10,
"reason": "update tool detected",
"documentation_url": "https://github.com/ossf/scorecard/blob/c395761df6afe1a69e476bc60a013a94bcbc153f/docs/checks.md#dependency-update-tool"
},
{
"name": "Fuzzing",
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"reason": "project is not fuzzed",
"documentation_url": "https://github.com/ossf/scorecard/blob/c395761df6afe1a69e476bc60a013a94bcbc153f/docs/checks.md#fuzzing"
},
{
"name": "License",
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"reason": "license file detected",
"documentation_url": "https://github.com/ossf/scorecard/blob/c395761df6afe1a69e476bc60a013a94bcbc153f/docs/checks.md#license"
},
{
"name": "Maintained",
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"documentation_url": "https://github.com/ossf/scorecard/blob/c395761df6afe1a69e476bc60a013a94bcbc153f/docs/checks.md#maintained"
},
{
"name": "Packaging",
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"reason": "packaging workflow not detected",
"documentation_url": "https://github.com/ossf/scorecard/blob/c395761df6afe1a69e476bc60a013a94bcbc153f/docs/checks.md#packaging"
},
{
"name": "Pinned-Dependencies",
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"documentation_url": "https://github.com/ossf/scorecard/blob/c395761df6afe1a69e476bc60a013a94bcbc153f/docs/checks.md#pinned-dependencies"
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{
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"documentation_url": "https://github.com/ossf/scorecard/blob/c395761df6afe1a69e476bc60a013a94bcbc153f/docs/checks.md#sast"
},
{
"name": "Security-Policy",
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"reason": "security policy file not detected",
"documentation_url": "https://github.com/ossf/scorecard/blob/c395761df6afe1a69e476bc60a013a94bcbc153f/docs/checks.md#security-policy"
},
{
"name": "Signed-Releases",
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"reason": "no releases found",
"documentation_url": "https://github.com/ossf/scorecard/blob/c395761df6afe1a69e476bc60a013a94bcbc153f/docs/checks.md#signed-releases"
},
{
"name": "Token-Permissions",
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"documentation_url": "https://github.com/ossf/scorecard/blob/c395761df6afe1a69e476bc60a013a94bcbc153f/docs/checks.md#token-permissions"
},
{
"name": "Vulnerabilities",
"score": 10,
"reason": "0 existing vulnerabilities detected",
"documentation_url": "https://github.com/ossf/scorecard/blob/c395761df6afe1a69e476bc60a013a94bcbc153f/docs/checks.md#vulnerabilities"
}
],
"commit": "1bb7498159d91253cc30ba9d7fd578102e312f61",
"ran_at": "2026-07-19T04:53:45Z",
"aggregate_score": 4.4,
"scorecard_version": "v5.5.0"
},
"has_codeql_workflow": false,
"has_security_policy": false,
"has_dependabot_config": true
}
},
"config": {
"disabled_metrics": [],
"disabled_categories": [],
"disabled_components": {}
},
"source": {
"url": "https://github.com/slowli/yab",
"host": "github.com",
"name": "yab",
"owner": "slowli"
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"metrics": {
"overall": {
"key": "overall",
"band": "at_risk",
"name": "Overall health",
"note": null,
"notes": [],
"value": 44,
"inputs": {
"security": 44,
"vitality": 56,
"community": 36,
"governance": 32,
"engineering": 54
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"components": []
},
"categories": [
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"key": "vitality",
"band": "moderate",
"name": "Vitality",
"value": 56,
"weight": 0.22,
"metrics": [
{
"key": "development_activity",
"band": "moderate",
"name": "Development activity",
"note": null,
"notes": [],
"value": 50,
"inputs": {
"commits_last_year": 9,
"human_commit_share": null,
"days_since_last_push": 0,
"active_weeks_last_year": 5
},
"components": [
{
"key": "push_recency",
"name": "Push recency",
"detail": "last push 0 days ago",
"points": 36,
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"details": [
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{
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"status": "partial",
"details": [
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"code": "commit_cadence_weeks",
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"weeks": 5
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}
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{
"key": "commit_volume",
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"points": 9,
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"max_points": 18
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"key": "openssf_scorecard_maintained",
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"points": 2,
"status": "partial",
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},
{
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"notes": [
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},
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"code": "weights_renormalized",
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{
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{
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},
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"key": "abandonment",
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"note": null,
"notes": [],
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"cap": null,
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"components": [
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]
}
],
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},
{
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"value": 36,
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"metrics": [
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"key": "popularity",
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"note": null,
"notes": [],
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"inputs": {
"forks": 0,
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"watchers": 1,
"growth_state": "unverified",
"growth_factor_pct": 100,
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"components": [
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"key": "stars",
"name": "Stars",
"detail": "1 stars",
"points": 0,
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"code": "stars",
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],
"max_points": 60
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{
"key": "forks",
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"points": 0,
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"details": [
{
"code": "forks",
"params": {
"count": 0
}
}
],
"max_points": 25
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{
"key": "watchers",
"name": "Watchers",
"detail": "1 watchers",
"points": 0,
"status": "missed",
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"code": "watchers",
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"count": 1
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}
],
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]
},
{
"key": "community_health",
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"note": null,
"notes": [],
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"inputs": {
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"has_license": true,
"has_contributing": true,
"has_issue_template": false,
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"has_pull_request_template": true
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"components": [
{
"key": "readme",
"name": "README",
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"details": [],
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},
{
"key": "license",
"name": "License",
"detail": "recognized license (Apache-2.0)",
"points": 22.5,
"status": "met",
"details": [
{
"code": "license_standard",
"params": {}
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{
"code": "license_spdx",
"params": {
"spdx": "Apache-2.0"
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],
"max_points": 22.5
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{
"key": "contributing_guide",
"name": "CONTRIBUTING guide",
"detail": null,
"points": 18,
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"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",
"name": "Issue template",
"detail": null,
"points": 0,
"status": "missed",
"details": [],
"max_points": 7.2
},
{
"key": "pr_template",
"name": "PR template",
"detail": null,
"points": 6.3,
"status": "met",
"details": [],
"max_points": 6.3
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]
}
],
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},
{
"key": "governance",
"band": "at_risk",
"name": "Sustainability & Governance",
"value": 32,
"weight": 0.24,
"metrics": [
{
"key": "maintainer_resilience",
"band": "critical",
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"note": null,
"notes": [],
"value": 18,
"inputs": {
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"contributors_sampled": 2,
"top_contributor_share": 0.87
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"components": [
{
"key": "bus_factor",
"name": "Bus factor",
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"status": "partial",
"details": [
{
"code": "bus_factor",
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"count": 1
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}
],
"max_points": 54
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{
"key": "commit_distribution",
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"detail": "top contributor authored 87% of commits",
"points": 2.9,
"status": "partial",
"details": [
{
"code": "top_contributor_share",
"params": {
"share": 87
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}
],
"max_points": 22.5
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{
"key": "contributor_breadth",
"name": "Contributor breadth",
"detail": "2 contributors",
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"status": "partial",
"details": [
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"code": "contributors_sampled",
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}
],
"max_points": 13.5
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{
"key": "openssf_scorecard_contributors",
"name": "OpenSSF Scorecard: Contributors",
"detail": "project has 1 contributing companies or organizations -- score normalized to 3",
"points": 3,
"status": "partial",
"details": [],
"max_points": 10
}
]
},
{
"key": "responsiveness",
"band": "critical",
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"note": "Excluded from scoring (no data or not applicable): Issue resolution. Remaining weights renormalized.",
"notes": [
{
"code": "excluded_no_data",
"params": {
"components": [
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},
{
"code": "weights_renormalized",
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],
"value": 18,
"inputs": {
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"closed_issues": 0,
"issue_closed_ratio": null,
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"components": [
{
"key": "issue_resolution",
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"status": "excluded",
"details": [
{
"code": "no_issues_or_data",
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}
],
"max_points": 46.75
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{
"key": "pr_acceptance",
"name": "PR acceptance",
"detail": "18/71 decided PRs merged",
"points": 9.7,
"status": "partial",
"details": [
{
"code": "decided_prs_merged",
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{
"key": "openssf_scorecard_code_review",
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"status": "missed",
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}
]
},
{
"key": "stewardship",
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"name": "Ownership & stewardship",
"note": "Excluded from scoring (no data or not applicable): Verified domain. Remaining weights renormalized.",
"notes": [
{
"code": "excluded_no_data",
"params": {
"components": [
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},
{
"code": "weights_renormalized",
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],
"value": 62,
"inputs": {
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"owner_type": "User",
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"owner_login": "slowli",
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"components": [
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"details": [
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"code": "owner_personal",
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],
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{
"key": "verified_domain",
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"detail": "not applicable to user accounts",
"points": 0,
"status": "excluded",
"details": [
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"code": "not_applicable_to_user_accounts",
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],
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{
"key": "owner_reach",
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],
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{
"key": "track_record",
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"points": 24.3,
"status": "partial",
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],
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]
}
],
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{
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"weight": 0.2,
"metrics": [
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"components": [
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{
"code": "ci_workflows",
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],
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{
"key": "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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{
"key": "openssf_scorecard_ci_tests",
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]
},
{
"key": "documentation",
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"notes": [],
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"inputs": {
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{
"key": "documentation_directory",
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{
"key": "documentation_homepage_site",
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{
"key": "topics",
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{
"key": "wiki",
"name": "Wiki",
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]
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],
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"params": {
"components": [
"packaging",
"signed_releases"
]
}
},
{
"code": "weights_renormalized",
"params": {}
}
],
"value": 44,
"inputs": {
"source": "openssf_scorecard",
"checks_evaluated": 16,
"scorecard_version": "v5.5.0",
"checks_inconclusive": 2,
"scorecard_aggregate": 4.4
},
"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 is not maximal on development and all release branches",
"points": 2.2,
"status": "partial",
"details": [],
"max_points": 7.5
},
{
"key": "ci_tests",
"name": "CI-Tests",
"detail": "9 out of 18 merged PRs checked by a CI test -- score normalized to 5",
"points": 1.2,
"status": "partial",
"details": [],
"max_points": 2.5
},
{
"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 0/24 approved changesets -- score normalized to 0",
"points": 0,
"status": "missed",
"details": [],
"max_points": 7.5
},
{
"key": "contributors",
"name": "Contributors",
"detail": "project has 1 contributing companies or organizations -- score normalized to 3",
"points": 0.8,
"status": "partial",
"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": "3 commit(s) and 0 issue activity found in the last 90 days -- score normalized to 2",
"points": 1.5,
"status": "partial",
"details": [],
"max_points": 7.5
},
{
"key": "packaging",
"name": "Packaging",
"detail": "packaging workflow not detected",
"points": 0,
"status": "excluded",
"details": [
{
"code": "no_data",
"params": {}
}
],
"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": "no releases found",
"points": 0,
"status": "excluded",
"details": [
{
"code": "no_data",
"params": {}
}
],
"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": "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"
],
"review_only_matches": 0,
"assessed_self_published_locations": 2
},
"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": "at_risk",
"name": "AI Readiness",
"value": 42,
"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": [
"legible_commit_history"
]
}
},
{
"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": "moderate",
"name": "Verify loop (build / test / typecheck)",
"note": "Excluded from scoring (no data or not applicable): Demonstrated agent practice. Remaining weights renormalized.",
"notes": [
{
"code": "excluded_no_data",
"params": {
"components": [
"demonstrated_agent_practice"
]
}
},
{
"code": "weights_renormalized",
"params": {}
}
],
"value": 53,
"inputs": {
"has_nix": false,
"has_tests": true,
"lockfiles": [
"Cargo.lock"
],
"has_dockerfile": false,
"typed_language": true,
"bootstrap_files": [],
"has_devcontainer": false,
"has_linter_config": false,
"typecheck_configs": [],
"agent_commit_share": null,
"toolchain_manifests": [],
"dependency_bot_commit_share": 0
},
"components": [
{
"key": "one_command_bootstrap",
"name": "One-command bootstrap",
"detail": null,
"points": 0,
"status": "missed",
"details": [],
"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 data",
"points": 0,
"status": "excluded",
"details": [
{
"code": "no_data",
"params": {}
}
],
"max_points": 10
},
{
"key": "automated_maintenance",
"name": "Automated maintenance",
"detail": "dependency automation configured, none observed in the sampled commits",
"points": 5,
"status": "partial",
"details": [
{
"code": "dependency_bot_config_only",
"params": {}
}
],
"max_points": 8
},
{
"key": "openssf_scorecard_pinned_dependencies",
"name": "OpenSSF Scorecard: Pinned-Dependencies",
"detail": "dependency not pinned by hash detected -- score normalized to 0",
"points": 0,
"status": "missed",
"details": [],
"max_points": 10
}
]
},
{
"key": "ai_code_legibility",
"band": "excellent",
"name": "Code legibility for models",
"note": null,
"notes": [],
"value": 100,
"inputs": {
"primary_language": "Rust",
"largest_source_bytes": 33773,
"source_files_sampled": 19,
"oversized_source_files": 0
},
"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": "0/19 source files over 60KB",
"points": 55,
"status": "met",
"details": [
{
"code": "oversized_source_files",
"params": {
"kb": 60,
"sampled": 19,
"oversized": 0
}
}
],
"max_points": 55
}
]
},
{
"key": "ai_interfaces",
"band": "at_risk",
"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? An independent, experimental badge — weight 0.0, so it is surfaced on its own and does not affect the overall health score."
}
],
"metrics_version": "1.13.0"
},
"warnings": [
"Could not fetch crates package 'yab-e2e-tests' from its registry"
],
"report_type": "repository",
"generated_at": "2026-07-19T04:53:55.590991Z",
"schema_version": "0.14.0",
"badge_url": "https://raw.githubusercontent.com/inspect-software/badges/main/v1/s/slowli/yab.svg",
"full_name": "slowli/yab",
"license_state": "standard",
"license_spdx": "Apache-2.0"
}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 v0.14.0 — full methodology · metrics wiki.
How one result sits in the wider record: aggregate statistics.