Public recordModerate
Software health reportschema 0.31.0 · metrics 2.5.0 · 2026-08-05 09:12 UTC
sciencesakura / mutf-8
A TypeScript/JavaScript library for encoding and decoding Modified UTF-8, the character encoding variant used in the Java platform for class files, object serialization, and other Java technologies.
sciencesakura/mutf-8 holds a health index of 62 out of 100, placing it in the Moderate band. It scores highest on Vitality (73/100) and lowest on Community & Adoption (39/100). It was last updated 11 days ago. A single contributor accounts for most of its recent work.
62
overall / 100Software health index
Metrics are grouped into weighted categories on one standardized 1–100 scale. Overall starts as their weighted mean, calibrated against the distribution of the public record so bands carry percentile meaning; when public evidence triggers the High-Risk Jurisdiction Policy, the rating is adjusted and receives an At Risk ceiling of 34.
62
Exceptional93-100The record's top tier (≈ top 5%); essentially all checked criteria met
Excellent80-92Strong across the board; minor gaps
Good65-79Healthy; gaps are limited and manageable
Moderate50-64Acceptable with notable gaps; review recommended
Weak35-49Material weaknesses across several areas
At Risk20-34Significant weaknesses; adoption warrants caution
Critical1-19Severe 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.
The weighted overall 58 is calibrated to 62 on the published index scale (record calibration 2026-08-02).
Ownership
sciencesakuraPersonal account
3 followers20 public repossince Apr 2017
This repository is owned by a personal account. A single-owner project carries more continuity risk than an organization-backed one.
Package ecosystems
| Registry | Package | Version | Downloads / mo | Versions | Last publish | Tags |
|---|---|---|---|---|---|---|
| npm | mutf-8 | 1.2.4 | 5,769 | 17 | 11 days ago | charsetencodingjavamutf-8mutf8 |
| npm | mutf-8-stream | 1.2.4 | 203 | 5 | 11 days ago | charsetencodingjavamutf-8mutf8 |
Metrics by category
Vitality
Is the project alive — is code being written and are releases shipping?
73
Development activity
61Moderate
How it's scored
| 28.8/36 | Push recency — last push 11 days ago |
| 5.5/36 | Commit cadence — 8/52 weeks with commits |
| 16.3/18 | Commit volume — 65 commits in the last year |
| 10/10 | OpenSSF Scorecard: Maintained — 30 commit(s) and 1 issue activity found in the last 90 days -- score normalized to 10 |
Inputs used
| commits_last_year | 65 |
| human_commit_share | 0.87 |
| days_since_last_push | 11 |
| active_weeks_last_year | 8 |
Release discipline
92Excellent
How it's scored
| 27/27 | Ships releases — 11 releases published |
| 36/36 | Release recency — latest release 11 days ago |
| 19.8/27 | Release cadence — a release every ~111.7 days |
| 0/10 | OpenSSF Scorecard: Signed-Releases — no data |
Inputs used
| releases_count | 11 |
| latest_release_tag | v1.2.4 |
| releases_from_tags | no |
| days_since_latest_release | 11 |
| mean_days_between_releases | 111.7 |
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?
39
Popularity & adoption
14Critical
How it's scored
| 13.7/60 | Stars — 8 stars |
| 0/25 | Forks — 1 forks |
| 0/15 | Watchers — 0 watchers |
Inputs used
| forks | 1 |
| stars | 8 |
| watchers | 0 |
| growth_state | unverified |
| growth_factor_pct | 100 |
| growth_unverified_reason | no_history |
Community health
50Moderate
How it's scored
| 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 |
Inputs used
| has_readme | yes |
| has_license | yes |
| readme_badges | 2 |
| has_contributing | no |
| has_issue_template | no |
| has_code_of_conduct | no |
| readme_badge_services | badge.fury.io, github.com |
| has_pull_request_template | no |
Ecosystem adoption (downloads)
63Moderate
How it's scored
| 50.3/80 | Monthly downloads — 5,972 downloads/month across npm |
| 0/20 | Registry dependents — not reported by this ecosystem |
Inputs used
| packages | mutf-8, mutf-8-stream |
| dependents | — |
| ecosystems | npm |
| total_downloads | — |
| monthly_downloads | 5,972 |
Excluded from scoring (no data or not applicable): Registry dependents. Remaining weights renormalized.
Sustainability & Governance
Will the project survive its people — bus factor, responsiveness, who backs it, and package upkeep?
54
Maintainer resilience (bus factor)
12Critical
How it's scored
| 9/54 | Bus factor — 1 contributor(s) cover half of all commits |
| 0.1/22.5 | Commit distribution — top contributor authored 99% of commits |
| 2.7/13.5 | Contributor breadth — 2 contributors |
| 0/10 | OpenSSF Scorecard: Contributors — project has 0 contributing companies or organizations -- score normalized to 0 |
Inputs used
| bus_factor | 1 |
| contributors_sampled | 2 |
| top_contributor_share | 0.994 |
How it's scored
| 42/42 | Issue resolution — 100% of issues closed |
| 26.2/30 | PR acceptance — 69/79 decided PRs merged |
| 0/13 | Newcomer PR acceptance — no first-time contributor's PR decided in 30d |
| 0/15 | OpenSSF Scorecard: Code-Review — Found 0/9 approved changesets -- score normalized to 0 |
Inputs used
| merged_prs | 69 |
| open_issues | 0 |
| closed_issues | 5 |
| prs_merged_7d | 0 |
| prs_decided_7d | 0 |
| prs_merged_30d | 4 |
| prs_decided_30d | 4 |
| issue_closed_ratio | 1 |
| closed_unmerged_prs | 10 |
| first_time_authors_30d | 0 |
| first_time_prs_merged_30d | 0 |
| first_time_prs_decided_30d | 0 |
Excluded from scoring (no data or not applicable): newcomer_pr_acceptance. Remaining weights renormalized.
Ownership & stewardship
45Weak
How it's scored
| 10/30 | Ownership backing — personal (user) account |
| 0/20 | Verified domain — not applicable to user accounts |
| 4.3/25 | Owner reach — 3 followers of sciencesakura |
| 21.6/25 | Track record — 20 public repos, account ~9 yr old |
Inputs used
| followers | 3 |
| owner_type | User |
| is_verified | — |
| owner_login | sciencesakura |
| public_repos | 20 |
| account_age_days | 3,394 |
Excluded from scoring (no data or not applicable): Verified domain. Remaining weights renormalized.
Package maintenance
100Exceptional
How it's scored
| 25/25 | Published & resolvable — 2 package(s) on npm |
| 35/35 | Publish recency — latest publish 11 days ago |
| 20/20 | Version history — 17 published versions |
| 20/20 | Not deprecated — active, not deprecated or yanked |
Inputs used
| packages | mutf-8, mutf-8-stream |
| ecosystems | npm |
| any_deprecated | no |
| min_days_since_publish | 11 |
Engineering Quality
Are baseline engineering and documentation practices in place?
60
Engineering practices
66Good
How it's scored
| 24/24 | CI workflows — 3 workflow(s) |
| 0/24 | Tests present |
| 16/16 | Linter config — biome.json |
| 0/9.6 | Pre-commit hooks |
| 6.4/6.4 | .editorconfig |
| 20/20 | OpenSSF Scorecard: CI-Tests — 12 out of 12 merged PRs checked by a CI test -- score normalized to 10 |
Inputs used
| has_ci | yes |
| has_tests | no |
| has_editorconfig | yes |
| has_linter_config | yes |
| has_precommit_config | no |
Documentation
50Moderate
How it's scored
| 30/30 | README |
| 0/25 | Documentation directory |
| 0/15 | Documentation / homepage site |
| 10/10 | Repository description |
| 10/10 | Topics — 5 topics |
| 0/10 | Wiki |
Inputs used
| topics | charset, encoding, java, mutf-8, mutf8 |
| 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?
65
Security posture
56Moderate
How it's scored
| 7.5/7.5 | Binary-Artifacts — no binaries found in the repo |
| 0/7.5 | Branch-Protection — no data |
| 2.5/2.5 | CI-Tests — 12 out of 12 merged PRs checked by a CI test -- score normalized to 10 |
| 0/2.5 | CII-Best-Practices — no effort to earn an OpenSSF best practices badge detected |
| 0/7.5 | Code-Review — Found 0/9 approved changesets -- score normalized to 0 |
| 0/2.5 | Contributors — project has 0 contributing companies or organizations -- score normalized to 0 |
| 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 |
| 7.5/7.5 | Maintained — 30 commit(s) and 1 issue activity found in the last 90 days -- score normalized to 10 |
| 5/5 | Packaging — packaging workflow detected |
| 2.5/5 | Pinned-Dependencies — dependency not pinned by hash detected -- score normalized to 5 |
| 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 |
| 5.2/7.5 | Vulnerabilities — 3 existing vulnerabilities detected |
Inputs used
| source | openssf_scorecard |
| checks_evaluated | 16 |
| scorecard_version | v5.5.0 |
| checks_inconclusive | 2 |
| scorecard_aggregate | 5.6 |
Excluded from scoring (no data or not applicable): branch_protection, signed_releases. Remaining weights renormalized.
Dependency advisories
100Exceptional
How it's scored
| 35/35 | Direct dependencies free of known advisories — no direct dependency carries a known advisory |
| 0/25 | Indirect dependencies free of known advisories — transitive set not separable from development and test dependencies in this scope |
| 0/40 | No advisories left outstanding — no advisory carries a publication date |
Inputs used
| source | osv |
| advisories | 3 |
| affected_packages | 2 |
| assessed_packages | 181 |
| unassessed_packages | 1 |
| affected_by_severity | high 1, moderate 1 |
| direct_affected_packages | 0 |
Excluded from scoring (no data or not applicable): Indirect dependencies free of known advisories, No advisories left outstanding. Remaining weights renormalized. Matched 181 resolved dependencies against OSV. 1 could not be assessed — no resolved version, an unsupported ecosystem, or beyond the reported package list. This repository publishes no package the index resolves, so the repository dependency graph was assessed instead. That graph mixes development and test pins with shipped dependencies, so only the declared runtime dependencies are scored; transitive findings are reported as context and excluded from the score. Reachability is not analyzed.
AI Readiness
How well is the repo equipped to be developed and maintained with AI coding agents? Carries a deliberately small weight (4%): agent tooling is a real maintenance signal, but a repository with none can still reach 100/100.
52
Agent context & guidance
36Weak
How it's scored
| 0/45 | Agent instructions — no CLAUDE.md / AGENTS.md / editor rules |
| 0/15 | Machine-readable docs (llms.txt) |
| 36.2/40 | Legible commit history — 59 of 87 human commits state their intent (structured subject or explanatory body) |
Inputs used
| has_llms_txt | no |
| legible_history_share | 0.678 |
| agent_instruction_files | — |
| agent_instruction_max_bytes | — |
How it's scored
| 0/18 | One-command bootstrap |
| 0/22 | Automated tests |
| 11/11 | Lint / format config — biome.json |
| 11/11 | Static type checking — packages/mutf-8-stream/tsconfig.json, packages/mutf-8/tsconfig.json, tsconfig.json |
| 10/10 | Reproducible environment — devcontainer, Dockerfile, lockfile |
| 0/10 | Demonstrated agent practice — no agent-authored commits among the last 100 |
| 8/8 | Automated maintenance — 13 of the last 100 commits are automated dependency updates |
| 5/10 | OpenSSF Scorecard: Pinned-Dependencies — dependency not pinned by hash detected -- score normalized to 5 |
Inputs used
| has_nix | no |
| has_tests | no |
| lockfiles | package-lock.json |
| has_dockerfile | yes |
| typed_language | yes |
| bootstrap_files | — |
| has_devcontainer | yes |
| has_linter_config | yes |
| typecheck_configs | packages/mutf-8-stream/tsconfig.json, packages/mutf-8/tsconfig.json, tsconfig.json |
| agent_commit_share | 0 |
| toolchain_manifests | — |
| dependency_bot_commit_share | 0.13 |
Code legibility for models
100Exceptional
How it's scored
| 45/45 | Type-checkable code — TypeScript (statically typed) |
| 55/55 | Manageable file sizes — 0/2 source files over 60KB |
Inputs used
| primary_language | TypeScript |
| largest_source_bytes | 14,830 |
| source_files_sampled | 2 |
| oversized_source_files | 0 |
Key facts
8GitHub stars
2contributors
65commits, last 12 months
11days since last push
11releases
1bus factor
0open issues
npmpackage ecosystems
Data collection warnings
- Star history unavailable: GitHub GraphQL error: Resource not accessible by personal access token
More detail
OpenSSF Scorecard 5.6 / 10
5.6aggregate
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 |
| n/a | Branch-Protection | internal error: error during branchesHandler.setup: internal error: some github tokens can't read classic branch protection rules: https://github.com/ossf/scorecard-action/blob/main/docs/authentication/fine-grained-auth-token.md |
| 10 | CI-Tests | 12 out of 12 merged PRs checked by a CI test -- score normalized to 10 |
| 0 | CII-Best-Practices | no effort to earn an OpenSSF best practices badge detected |
| 0 | Code-Review | Found 0/9 approved changesets -- score normalized to 0 |
| 0 | Contributors | project has 0 contributing companies or organizations -- score normalized to 0 |
| 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 |
| 10 | Maintained | 30 commit(s) and 1 issue activity found in the last 90 days -- score normalized to 10 |
| 10 | Packaging | packaging workflow detected |
| 5 | Pinned-Dependencies | dependency not pinned by hash detected -- score normalized to 5 |
| 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 |
| 7 | Vulnerabilities | 3 existing vulnerabilities detected |
Direct dependencies 1
| Registry | Package | Version constraint | Manifest |
|---|---|---|---|
| npm | mutf-8 | ^1.2.4 | packages/mutf-8-stream/package.json |
All dependencies 182
Full resolved dependency set from the GitHub dependency graph: 1 direct and 181 indirect (transitive) packages. The transitive closure is complete when the repository commits a lockfile.
| Registry | Package | Version | Relation |
|---|---|---|---|
| npm | mutf-8 | ^1.2.4 | direct |
| npm | @biomejs/biome | 2.5.5 | indirect |
| npm | @biomejs/cli-darwin-arm64 | 2.5.5 | indirect |
| npm | @biomejs/cli-darwin-x64 | 2.5.5 | indirect |
| npm | @biomejs/cli-linux-arm64 | 2.5.5 | indirect |
| npm | @biomejs/cli-linux-arm64-musl | 2.5.5 | indirect |
| npm | @biomejs/cli-linux-x64 | 2.5.5 | indirect |
| npm | @biomejs/cli-linux-x64-musl | 2.5.5 | indirect |
| npm | @biomejs/cli-win32-arm64 | 2.5.5 | indirect |
| npm | @biomejs/cli-win32-x64 | 2.5.5 | indirect |
| npm | @emnapi/core | 1.11.1 | indirect |
| npm | @emnapi/runtime | 1.11.1 | indirect |
| npm | @emnapi/wasi-threads | 1.2.2 | indirect |
| npm | @gerrit0/mini-shiki | 3.23.0 | indirect |
| npm | @jridgewell/sourcemap-codec | 1.5.5 | indirect |
| npm | @napi-rs/wasm-runtime | 1.1.6 | indirect |
| npm | @nodelib/fs.scandir | 2.1.5 | indirect |
| npm | @nodelib/fs.stat | 2.0.5 | indirect |
| npm | @nodelib/fs.walk | 1.2.8 | indirect |
| npm | @oxc-project/types | 0.139.0 | indirect |
| npm | @rolldown/binding-android-arm64 | 1.1.5 | indirect |
| npm | @rolldown/binding-darwin-arm64 | 1.1.5 | indirect |
| npm | @rolldown/binding-darwin-x64 | 1.1.5 | indirect |
| npm | @rolldown/binding-freebsd-x64 | 1.1.5 | indirect |
| npm | @rolldown/binding-linux-arm-gnueabihf | 1.1.5 | indirect |
| npm | @rolldown/binding-linux-arm64-gnu | 1.1.5 | indirect |
| npm | @rolldown/binding-linux-arm64-musl | 1.1.5 | indirect |
| npm | @rolldown/binding-linux-ppc64-gnu | 1.1.5 | indirect |
| npm | @rolldown/binding-linux-s390x-gnu | 1.1.5 | indirect |
| npm | @rolldown/binding-linux-x64-gnu | 1.1.5 | indirect |
| npm | @rolldown/binding-linux-x64-musl | 1.1.5 | indirect |
| npm | @rolldown/binding-openharmony-arm64 | 1.1.5 | indirect |
| npm | @rolldown/binding-wasm32-wasi | 1.1.5 | indirect |
| npm | @rolldown/binding-win32-arm64-msvc | 1.1.5 | indirect |
| npm | @rolldown/binding-win32-x64-msvc | 1.1.5 | indirect |
| npm | @rolldown/pluginutils | 1.0.1 | indirect |
| npm | @shikijs/engine-oniguruma | 3.23.0 | indirect |
| npm | @shikijs/langs | 3.23.0 | indirect |
| npm | @shikijs/themes | 3.23.0 | indirect |
| npm | @shikijs/types | 3.23.0 | indirect |
| npm | @shikijs/vscode-textmate | 10.0.2 | indirect |
| npm | @standard-schema/spec | 1.1.0 | indirect |
| npm | @tybys/wasm-util | 0.10.3 | indirect |
| npm | @types/chai | 5.2.3 | indirect |
| npm | @types/deep-eql | 4.0.2 | indirect |
| npm | @types/estree | 1.0.9 | indirect |
| npm | @types/hast | 3.0.4 | indirect |
| npm | @types/unist | 3.0.3 | indirect |
| npm | @vitest/expect | 4.1.10 | indirect |
| npm | @vitest/mocker | 4.1.10 | indirect |
| npm | @vitest/pretty-format | 4.1.10 | indirect |
| npm | @vitest/runner | 4.1.10 | indirect |
| npm | @vitest/snapshot | 4.1.10 | indirect |
| npm | @vitest/spy | 4.1.10 | indirect |
| npm | @vitest/utils | 4.1.10 | indirect |
| npm | ansi-styles | 4.3.0 | indirect |
| npm | ansi-styles | 6.2.1 | indirect |
| npm | argparse | 2.0.1 | indirect |
| npm | array-back | 6.2.3 | indirect |
| npm | assertion-error | 2.0.1 | indirect |
| npm | balanced-match | 4.0.4 | indirect |
| npm | brace-expansion | 5.0.7 | indirect |
| npm | braces | 3.0.3 | indirect |
| npm | chai | 6.2.2 | indirect |
| npm | chalk | 4.1.2 | indirect |
| npm | chalk | 5.6.2 | indirect |
| npm | chalk-template | 0.4.0 | indirect |
| npm | color-convert | 2.0.1 | indirect |
| npm | color-name | 1.1.4 | indirect |
| npm | command-line-args | 6.0.1 | indirect |
| npm | command-line-usage | 7.0.4 | indirect |
| npm | convert-source-map | 2.0.0 | indirect |
| npm | cpx2 | 9.0.0 | indirect |
| npm | cross-spawn | 7.0.6 | indirect |
| npm | current-module-paths | 1.1.3 | indirect |
| npm | debounce | 3.0.0 | indirect |
| npm | detect-libc | 2.1.2 | indirect |
| npm | entities | 4.5.0 | indirect |
| npm | es-module-lexer | 2.1.0 | indirect |
| npm | estree-walker | 3.0.3 | indirect |
| npm | expect-type | 1.3.0 | indirect |
| npm | fast-diff | 1.3.0 | indirect |
| npm | fast-glob | 3.3.3 | indirect |
| npm | fastq | 1.20.1 | indirect |
| npm | fdir | 6.5.0 | indirect |
| npm | file-set | 5.3.0 | indirect |
| npm | fill-range | 7.1.1 | indirect |
| npm | find-index | 0.1.1 | indirect |
| npm | find-replace | 5.0.2 | indirect |
| npm | fsevents | 2.3.3 | indirect |
| npm | glob | 13.0.6 | indirect |
| npm | glob-parent | 5.1.2 | indirect |
| npm | glob2base | 0.0.12 | indirect |
| npm | global-directory | 4.0.1 | indirect |
| npm | has-flag | 4.0.0 | indirect |
| npm | ignore | 7.0.5 | indirect |
| npm | ini | 4.1.1 | indirect |
| npm | is-extglob | 2.1.1 | indirect |
| npm | is-glob | 4.0.3 | indirect |
| npm | is-number | 7.0.0 | indirect |
| npm | isexe | 2.0.0 | indirect |
| npm | isexe | 4.0.0 | indirect |
| npm | json-parse-even-better-errors | 6.0.0 | indirect |
| npm | lightningcss | 1.33.0 | indirect |
| npm | lightningcss-android-arm64 | 1.33.0 | indirect |
| npm | lightningcss-darwin-arm64 | 1.33.0 | indirect |
| npm | lightningcss-darwin-x64 | 1.33.0 | indirect |
| npm | lightningcss-freebsd-x64 | 1.33.0 | indirect |
| npm | lightningcss-linux-arm-gnueabihf | 1.33.0 | indirect |
| npm | lightningcss-linux-arm64-gnu | 1.33.0 | indirect |
| npm | lightningcss-linux-arm64-musl | 1.33.0 | indirect |
| npm | lightningcss-linux-x64-gnu | 1.33.0 | indirect |
| npm | lightningcss-linux-x64-musl | 1.33.0 | indirect |
| npm | lightningcss-win32-arm64-msvc | 1.33.0 | indirect |
| npm | lightningcss-win32-x64-msvc | 1.33.0 | indirect |
| npm | linkify-it | 5.0.2 | indirect |
| npm | load-module | 5.0.0 | indirect |
| npm | lodash.camelcase | 4.3.0 | indirect |
| npm | lru-cache | 11.1.0 | indirect |
| npm | lunr | 2.3.9 | indirect |
| npm | magic-string | 0.30.21 | indirect |
| npm | markdown-it | 14.3.0 | indirect |
| npm | mdurl | 2.0.0 | indirect |
| npm | memorystream | 0.3.1 | indirect |
| npm | merge2 | 1.4.1 | indirect |
| npm | micromatch | 4.0.8 | indirect |
| npm | minimatch | 10.2.5 | indirect |
| npm | minimist | 1.2.8 | indirect |
| npm | minipass | 7.1.3 | indirect |
| npm | nanoid | 3.3.16 | indirect |
| npm | npm-normalize-package-bin | 6.0.0 | indirect |
| npm | npm-run-all2 | 9.0.2 | indirect |
| npm | obug | 2.1.1 | indirect |
| npm | p-map | 7.0.3 | indirect |
| npm | package-json-from-dist | 1.0.1 | indirect |
| npm | packages/mutf-8 | 1.2.4 | indirect |
| npm | packages/mutf-8-stream | 1.2.4 | indirect |
| npm | path-key | 3.1.1 | indirect |
| npm | path-scurry | 2.0.2 | indirect |
| npm | pathe | 2.0.3 | indirect |
| npm | picocolors | 1.1.1 | indirect |
| npm | picomatch | 2.3.2 | indirect |
| npm | picomatch | 4.0.5 | indirect |
| npm | pidtree | 1.0.0 | indirect |
| npm | postcss | 8.5.22 | indirect |
| npm | printj | 1.3.1 | indirect |
| npm | punycode.js | 2.3.1 | indirect |
| npm | queue-microtask | 1.2.3 | indirect |
| npm | read-package-json-fast | 6.0.0 | indirect |
| npm | renamer | 5.0.3 | indirect |
| npm | reusify | 1.1.0 | indirect |
| npm | rimraf | 6.1.3 | indirect |
| npm | rolldown | 1.1.5 | indirect |
| npm | run-parallel | 1.2.0 | indirect |
| npm | shebang-command | 2.0.0 | indirect |
| npm | shebang-regex | 3.0.0 | indirect |
| npm | shell-quote | 1.10.0 | indirect |
| npm | siginfo | 2.0.0 | indirect |
| npm | source-map-js | 1.2.1 | indirect |
| npm | stackback | 0.0.2 | indirect |
| npm | std-env | 4.1.0 | indirect |
| npm | stream-read-all | 5.0.2 | indirect |
| npm | subarg | 1.0.0 | indirect |
| npm | supports-color | 7.2.0 | indirect |
| npm | table-layout | 4.1.1 | indirect |
| npm | tinybench | 2.9.0 | indirect |
| npm | tinyexec | 1.0.2 | indirect |
| npm | tinyglobby | 0.2.17 | indirect |
| npm | tinyrainbow | 3.1.0 | indirect |
| npm | to-regex-range | 5.0.1 | indirect |
| npm | tslib | 2.8.1 | indirect |
| npm | typedoc | 0.28.20 | indirect |
| npm | typescript | 6.0.3 | indirect |
| npm | typical | 7.3.0 | indirect |
| npm | uc.micro | 2.1.0 | indirect |
| npm | vite | 8.1.5 | indirect |
| npm | vitest | 4.1.10 | indirect |
| npm | which | 2.0.2 | indirect |
| npm | which | 7.0.0 | indirect |
| npm | why-is-node-running | 2.3.0 | indirect |
| npm | wordwrapjs | 5.1.1 | indirect |
| npm | yaml | 2.9.0 | indirect |
Dependency advisories 2
This repository publishes no package the index resolves, so its own dependency graph was assessed — 181 packages, which also include development and test pins that never ship: 2 carry known advisories, of which 0 are direct. 1 could not be assessed — no resolved version, an unsupported ecosystem, or beyond the reported package list.
| Package | Version | Relation | Severity | Advisories | Fixed in |
|---|---|---|---|---|---|
| brace-expansion | 5.0.7 | indirect | high | 2 | 5.0.9 |
| postcss | 8.5.22 | indirect | moderate | 1 | 8.5.23 |
An advisory means the version recorded in the dependency graph falls inside an advisory’s affected range. Reachability is not analysed, and the graph includes development and test pins — a finding may concern tooling rather than shipped software.
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"body": "- Use pre-allocated `Uint8Array` instead of the temporary array.\n- Refer to a code point using UTF-16 code units index.\n\nbefore modification:\n\n```plaintext\n ✓ src/index.bench.mts > MUtf8Encoder.encode > ASCII text 1876ms\n name hz min max mean p75 p\n[…]\n4.50 0.0182 0.1475 0.0196 0.0197 0.0230 0.0246 0.0292 ±0.08% 25568\n · encodeInto 50K length string 5,052.23 0.1873 0.3217 0.1979 0.1992 0.2257 0.2330 0.2624 ±0.17% 2527\n```",
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{
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"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": "internal error: error during branchesHandler.setup: internal error: some github tokens can't read classic branch protection rules: https://github.com/ossf/scorecard-action/blob/main/docs/authentication/fine-grained-auth-token.md",
"points": 0,
"status": "excluded",
"details": [
{
"code": "no_data",
"params": {}
}
],
"max_points": 7.5
},
{
"key": "ci_tests",
"name": "CI-Tests",
"detail": "12 out of 12 merged PRs checked by a CI test -- score normalized to 10",
"points": 2.5,
"status": "met",
"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 0/9 approved changesets -- score normalized to 0",
"points": 0,
"status": "missed",
"details": [],
"max_points": 7.5
},
{
"key": "contributors",
"name": "Contributors",
"detail": "project has 0 contributing companies or organizations -- score normalized to 0",
"points": 0,
"status": "missed",
"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": "30 commit(s) and 1 issue activity found in the last 90 days -- score normalized to 10",
"points": 7.5,
"status": "met",
"details": [],
"max_points": 7.5
},
{
"key": "packaging",
"name": "Packaging",
"detail": "packaging workflow detected",
"points": 5,
"status": "met",
"details": [],
"max_points": 5
},
{
"key": "pinned_dependencies",
"name": "Pinned-Dependencies",
"detail": "dependency not pinned by hash detected -- score normalized to 5",
"points": 2.5,
"status": "partial",
"details": [],
"max_points": 5
},
{
"key": "sast",
"name": "SAST",
"detail": "SAST tool is not run on all commits -- score normalized to 0",
"points": 0,
"status": "missed",
"details": [],
"max_points": 5
},
{
"key": "security_policy",
"name": "Security-Policy",
"detail": "security policy file not detected",
"points": 0,
"status": "missed",
"details": [],
"max_points": 5
},
{
"key": "signed_releases",
"name": "Signed-Releases",
"detail": "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": "3 existing vulnerabilities detected",
"points": 5.2,
"status": "partial",
"details": [],
"max_points": 7.5
}
]
},
{
"key": "dependency_advisories",
"band": "exceptional",
"name": "Dependency advisories",
"note": "Excluded from scoring (no data or not applicable): Indirect dependencies free of known advisories, No advisories left outstanding. Remaining weights renormalized. Matched 181 resolved dependencies against OSV; 1 could not be assessed (no resolved version, an unsupported ecosystem, or beyond the reported package list). This repository publishes no package the index resolves, so the repository dependency graph was assessed instead. That graph mixes development and test pins with shipped dependencies, so only the declared runtime dependencies are scored; transitive findings are reported as context and excluded from the score. Reachability is not analyzed.",
"notes": [
{
"code": "excluded_no_data",
"params": {
"components": [
"indirect_dependencies_free_of_known_advisories",
"no_advisories_left_outstanding"
]
}
},
{
"code": "weights_renormalized",
"params": {}
},
{
"code": "advisories_scope_repository",
"params": {
"assessed": 181
}
},
{
"code": "advisories_unassessed",
"params": {
"count": 1
}
},
{
"code": "advisories_repo_graph_caveat",
"params": {}
},
{
"code": "advisories_reachability",
"params": {}
}
],
"value": 100,
"inputs": {
"source": "osv",
"advisories": 3,
"affected_packages": 2,
"assessed_packages": 181,
"unassessed_packages": 1,
"affected_by_severity": "high 1, moderate 1",
"direct_affected_packages": 0
},
"components": [
{
"key": "direct_dependencies_free_of_known_advisories",
"name": "Direct dependencies free of known advisories",
"detail": "no direct dependency carries a known advisory",
"points": 35,
"status": "met",
"details": [
{
"code": "no_direct_advisories",
"params": {}
}
],
"max_points": 35
},
{
"key": "indirect_dependencies_free_of_known_advisories",
"name": "Indirect dependencies free of known advisories",
"detail": "transitive set not separable from development and test dependencies in this scope",
"points": 0,
"status": "excluded",
"details": [
{
"code": "advisories_scope_not_separable",
"params": {}
}
],
"max_points": 25
},
{
"key": "no_advisories_left_outstanding",
"name": "No advisories left outstanding",
"detail": "no advisory carries a publication date",
"points": 0,
"status": "excluded",
"details": [
{
"code": "advisories_no_publication_date",
"params": {}
}
],
"max_points": 40
}
]
},
{
"key": "malicious_dependencies",
"band": "exceptional",
"name": "Malicious dependencies",
"note": null,
"notes": [],
"value": 100,
"inputs": {
"source": "osv",
"meaning": "reported as a malicious package by the OpenSSF corpus; the remedy is removal or moving off the compromised name, never an upgrade of the same artifact. Versions the registry has since pulled are listed but not scored",
"packages": [],
"red_flag": false,
"assessed_packages": 181,
"malicious_packages": 0,
"direct_malicious_packages": 0,
"withdrawn_malicious_packages": 0,
"installable_malicious_packages": 0
},
"components": [
{
"key": "no_dependency_reported_as_a_malicious_package",
"name": "No dependency reported as a malicious package",
"detail": "no dependency is reported as a malicious package",
"points": 100,
"status": "met",
"details": [
{
"code": "no_malicious_dependencies",
"params": {}
}
],
"max_points": 100
}
]
},
{
"key": "high_risk_jurisdiction_exposure",
"band": "exceptional",
"name": "High-Risk Jurisdiction Exposure",
"note": "Only high-confidence self-published location evidence affects this multiplier. Ambiguous matches are review-only; country evidence is not proof of nationality, citizenship, legal registration, malicious intent, or sanctions status.",
"notes": [
{
"code": "jurisdiction_evidence_limits",
"params": {}
}
],
"value": 100,
"inputs": {
"meaning": "self-published location evidence; not nationality or citizenship",
"red_flag": false,
"exposures": [],
"policy_countries": [
"Russia",
"Iran",
"North Korea"
],
"commit_weight_rule": {
"min_commits": 50,
"min_commit_share": 0.1
},
"review_only_matches": 0,
"below_threshold_exposures": [],
"assessed_self_published_locations": 3
},
"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": 52,
"weight": 0.04,
"metrics": [
{
"key": "ai_agent_context",
"band": "weak",
"name": "Agent context & guidance",
"note": null,
"notes": [],
"value": 36,
"inputs": {
"has_llms_txt": false,
"legible_history_share": 0.678,
"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": "59 of 87 human commits state their intent (structured subject or explanatory body)",
"points": 36.2,
"status": "partial",
"details": [
{
"code": "legible_history",
"params": {
"legible": 59,
"sampled": 87
}
}
],
"max_points": 40
}
]
},
{
"key": "ai_verify_loop",
"band": "weak",
"name": "Verify loop (build / test / typecheck)",
"note": null,
"notes": [],
"value": 45,
"inputs": {
"has_nix": false,
"has_tests": false,
"lockfiles": [
"package-lock.json"
],
"has_dockerfile": true,
"typed_language": true,
"bootstrap_files": [],
"has_devcontainer": true,
"has_linter_config": true,
"typecheck_configs": [
"packages/mutf-8-stream/tsconfig.json",
"packages/mutf-8/tsconfig.json",
"tsconfig.json"
],
"agent_commit_share": 0,
"toolchain_manifests": [],
"dependency_bot_commit_share": 0.13
},
"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": 0,
"status": "missed",
"details": [],
"max_points": 22
},
{
"key": "lint_format_config",
"name": "Lint / format config",
"detail": "biome.json",
"points": 11,
"status": "met",
"details": [
{
"code": "file_list",
"params": {
"files": "biome.json"
}
}
],
"max_points": 11
},
{
"key": "static_type_checking",
"name": "Static type checking",
"detail": "packages/mutf-8-stream/tsconfig.json, packages/mutf-8/tsconfig.json, tsconfig.json",
"points": 11,
"status": "met",
"details": [
{
"code": "file_list",
"params": {
"files": "packages/mutf-8-stream/tsconfig.json, packages/mutf-8/tsconfig.json, tsconfig.json"
}
}
],
"max_points": 11
},
{
"key": "reproducible_environment",
"name": "Reproducible environment",
"detail": "devcontainer, Dockerfile, lockfile",
"points": 10,
"status": "met",
"details": [
{
"code": "file_list",
"params": {
"files": "devcontainer, Dockerfile, lockfile"
}
}
],
"max_points": 10
},
{
"key": "demonstrated_agent_practice",
"name": "Demonstrated agent practice",
"detail": "no agent-authored commits among the last 100",
"points": 0,
"status": "missed",
"details": [
{
"code": "no_agent_authored_commits",
"params": {
"sampled": 100
}
}
],
"max_points": 10
},
{
"key": "automated_maintenance",
"name": "Automated maintenance",
"detail": "13 of the last 100 commits are automated dependency updates",
"points": 8,
"status": "met",
"details": [
{
"code": "dependency_bot_commits",
"params": {
"count": 13,
"sampled": 100
}
}
],
"max_points": 8
},
{
"key": "openssf_scorecard_pinned_dependencies",
"name": "OpenSSF Scorecard: Pinned-Dependencies",
"detail": "dependency not pinned by hash detected -- score normalized to 5",
"points": 5,
"status": "partial",
"details": [],
"max_points": 10
}
]
},
{
"key": "ai_code_legibility",
"band": "exceptional",
"name": "Code legibility for models",
"note": null,
"notes": [],
"value": 100,
"inputs": {
"primary_language": "TypeScript",
"largest_source_bytes": 14830,
"source_files_sampled": 2,
"oversized_source_files": 0
},
"components": [
{
"key": "type_checkable_code",
"name": "Type-checkable code",
"detail": "TypeScript (statically typed)",
"points": 45,
"status": "met",
"details": [
{
"code": "statically_typed_language",
"params": {
"language": "TypeScript"
}
}
],
"max_points": 45
},
{
"key": "manageable_file_sizes",
"name": "Manageable file sizes",
"detail": "0/2 source files over 60KB",
"points": 55,
"status": "met",
"details": [
{
"code": "oversized_source_files",
"params": {
"kb": 60,
"sampled": 2,
"oversized": 0
}
}
],
"max_points": 55
}
]
}
],
"description": "How well is the repo equipped to be developed and maintained with AI coding agents? Carries a deliberately small weight: agent tooling is a real maintenance signal, but its absence must never gate the top of the scale (calibration saturates at raw 91, so 100/100 remains reachable with AI Readiness at zero)."
}
],
"classification": {
"top": [
"library"
],
"labels": [
"library"
],
"scores": {
"library": 6.8
},
"primary": "library",
"evidence": [
{
"tier": "declared",
"label": "library",
"source": "npm.private",
"weight": -6
},
{
"tier": "distribution",
"label": "library",
"source": "registry:npm",
"weight": 6
},
{
"tier": "declared",
"label": "library",
"source": "npm.entry",
"weight": 4.8
},
{
"tier": "description",
"label": "library",
"source": "description:library",
"weight": 2
}
],
"artifacts": [
{
"path": "package.json",
"labels": [],
"ecosystem": "npm"
},
{
"path": "packages/mutf-8-stream/package.json",
"labels": [
"library"
],
"ecosystem": "npm"
},
{
"path": "packages/mutf-8/package.json",
"labels": [
"library"
],
"ecosystem": "npm"
}
],
"confidence": "high",
"host_extension": false,
"runs_as_process": false,
"consumed_by_code": true
},
"metrics_version": "2.5.0"
},
"warnings": [
"Star history unavailable: GitHub GraphQL error: Resource not accessible by personal access token"
],
"report_type": "repository",
"generated_at": "2026-08-05T09:12:43.950350Z",
"schema_version": "0.31.0",
"badge_url": "https://raw.githubusercontent.com/inspect-software/badges/main/v1/s/sciencesakura/mutf-8.svg",
"full_name": "sciencesakura/mutf-8",
"license_state": "standard",
"license_spdx": "MIT"
}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 v2.5.0, schema v0.31.0 — full methodology · metrics wiki.
How one result sits in the wider record: aggregate statistics — npm.