Public record
Software health reportschema 0.16.0 · metrics 1.13.0 · 2026-07-21 01:58 UTC

google-deepmind / mujoco

Multi-Joint dynamics with Contact. A general purpose physics simulator.

C++ · Jupyter Notebook · PythonApache-2.0★ 14,267 stars⑂ 1,645 forkssince Aug 2021View on GitHub ↗

google-deepmind/mujoco holds a health index of 85 out of 100, placing it in the Excellent band. It scores highest on Vitality (96/100) and lowest on AI Readiness (57/100). It was last updated today. 4 contributors account for most of its recent work.

85
overall / 100
Excellent

Software 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.

85
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)
VitalityCommunity &AdoptionSustainability &GovernanceEngineeringQualitySecurityAI Readiness

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

Google DeepMindOrganization
25,615 followers397 public repossince Aug 2014

This repository is backed by an organization — shared, accountable stewardship that can outlive any single maintainer.

Package ecosystems

RegistryPackageVersionDownloads / moVersionsLast publishTags
npmmujoco3.1.166,0992124 days agomujocophysicswasmgoogledeepmindwebassemblysimulationroboticsemscriptenjavascripttypescript
PyPImujoco-mjx3.10.099,1173328 days ago
PyPImujoco3.10.0-5028 days ago

Metrics by category

Vitality

Is the project alive — is code being written and are releases shipping?

96Excellent · 22% of overall
How it's scored
36/36Push recency — last push 0 days ago
36/36Commit cadence — 52/52 weeks with commits
18/18Commit volume — 1,921 commits in the last year
10/10OpenSSF Scorecard: Maintained — 30 commit(s) and 13 issue activity found in the last 90 days -- score normalized to 10
Inputs used
commits_last_year1,921
human_commit_share
days_since_last_push0
active_weeks_last_year52
How it's scored
27/27Ships releases — 50 releases published
36/36Release recency — latest release 28 days ago
27/27Release cadence — a release every ~31 days
0/10OpenSSF Scorecard: Signed-Releases — Project has not signed or included provenance with any releases.
Inputs used
releases_count50
latest_release_tag3.10.0
releases_from_tagsno
days_since_latest_release28
mean_days_between_releases31

Community & Adoption

Does the project have users, downloads, attention, and a welcoming setup for contributors?

84Good · 18% of overall
How it's scored
60/60Stars — 14,267 stars
25/25Forks — 1,645 forks
11.8/15Watchers — 131 watchers
Inputs used
forks1,645
stars14,267
watchers131
growth_stateunverified
growth_factor_pct100
growth_unverified_reasonno_history
How it's scored
22.5/22.5README
22.5/22.5License — recognized license (Apache-2.0)
18/18CONTRIBUTING guide
0/13.5Code of conduct
0/7.2Issue template
0/6.3PR template
Inputs used
has_readmeyes
has_licenseyes
has_contributingyes
has_issue_templateno
has_code_of_conductno
has_pull_request_templateno
How it's scored
67/80Monthly downloads — 105,216 downloads/month across npm, pypi
0/20Registry dependents — not reported by this ecosystem
Inputs used
packagesmujoco, mujoco-mjx, mujoco
dependents
ecosystemsnpm, pypi
total_downloads
monthly_downloads105,216
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?

84Good · 24% of overall
How it's scored
43.2/54Bus factor — 4 contributor(s) cover half of all commits
16.9/22.5Commit distribution — top contributor authored 25% of commits
13.5/13.5Contributor breadth — 100 contributors
10/10OpenSSF Scorecard: Contributors — project has 22 contributing companies or organizations
Inputs used
bus_factor4
contributors_sampled100
top_contributor_share0.248
How it's scored
42.8/46.8Issue resolution — 92% of issues closed
19/38.3PR acceptance — 221/444 decided PRs merged
15/15OpenSSF Scorecard: Code-Review — all changesets reviewed
Inputs used
merged_prs221
open_issues160
closed_issues1,713
issue_closed_ratio0.915
closed_unmerged_prs223
How it's scored
30/30Ownership backing — organization-owned
0/20Verified domain
25/25Owner reach — 25,615 followers of google-deepmind
25/25Track record — 397 public repos, account ~11 yr old
Inputs used
followers25,615
owner_typeOrganization
is_verified
owner_logingoogle-deepmind
public_repos397
account_age_days4,342
How it's scored
25/25Published & resolvable — 3 package(s) on npm, pypi
35/35Publish recency — latest publish 28 days ago
20/20Version history — 50 published versions
20/20Not deprecated — active, not deprecated or yanked
Inputs used
packagesmujoco, mujoco-mjx, mujoco
ecosystemsnpm, pypi
any_deprecatedno
min_days_since_publish28

Engineering Quality

Are baseline engineering and documentation practices in place?

92Excellent · 20% of overall
How it's scored
24/24CI workflows — 5 workflow(s)
24/24Tests present
16/16Linter config
9.6/9.6Pre-commit hooks
0/6.4.editorconfig
20/20OpenSSF Scorecard: CI-Tests — 3 out of 3 merged PRs checked by a CI test -- score normalized to 10
Inputs used
has_ciyes
has_testsyes
has_editorconfigno
has_linter_configyes
has_precommit_configyes

Documentation

90Excellent
How it's scored
30/30README
25/25Documentation directory
15/15Documentation / homepage site — https://mujoco.org
10/10Repository description
10/10Topics — 3 topics
0/10Wiki
Inputs used
topicsrobotics, physics, mujoco
has_wikino
homepagehttps://mujoco.org
has_readmeyes
has_docs_diryes
has_descriptionyes

Security

Are visible security and supply-chain practices strong, without unresolved high-risk jurisdiction exposure?

66Moderate · 16% of overall
How it's scored
7.5/7.5Binary-Artifacts — no binaries found in the repo
0/7.5Branch-Protection — no data
2.5/2.5CI-Tests — 3 out of 3 merged PRs checked by a CI test -- score normalized to 10
0/2.5CII-Best-Practices — no effort to earn an OpenSSF best practices badge detected
7.5/7.5Code-Review — all changesets reviewed
2.5/2.5Contributors — project has 22 contributing companies or organizations
10/10Dangerous-Workflow — no dangerous workflow patterns detected
7.5/7.5Dependency-Update-Tool — update tool detected
0/5Fuzzing — project is not fuzzed
2.5/2.5License — license file detected
7.5/7.5Maintained — 30 commit(s) and 13 issue activity found in the last 90 days -- score normalized to 10
0/5Packaging — no data
1.5/5Pinned-Dependencies — dependency not pinned by hash detected -- score normalized to 3
0/5SAST — SAST tool is not run on all commits -- score normalized to 0
5/5Security-Policy — security policy file detected
0/7.5Signed-Releases — Project has not signed or included provenance with any releases.
0/7.5Token-Permissions — detected GitHub workflow tokens with excessive permissions
0/7.5Vulnerabilities — 16 existing vulnerabilities detected
Inputs used
sourceopenssf_scorecard
checks_evaluated16
scorecard_versionv5.5.0
checks_inconclusive2
scorecard_aggregate5.8
Excluded from scoring (no data or not applicable): branch_protection, packaging. Remaining weights renormalized.
How it's scored
35/35Direct dependencies free of known advisories — no direct dependency carries a known advisory
0/25Indirect dependencies free of known advisories — transitive set not separable from development and test dependencies in this scope
0/40No advisories left outstanding — no advisory carries a publication date
Inputs used
sourceosv
advisories25
affected_packages4
assessed_packages171
unassessed_packages8
affected_by_severitycritical 1, high 2, moderate 1
direct_affected_packages0
Excluded from scoring (no data or not applicable): Indirect dependencies free of known advisories, No advisories left outstanding. Remaining weights renormalized. Matched 171 resolved dependencies against OSV. 8 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? An independent, experimental badge — weight 0.0, so it is surfaced on its own and does not affect the overall health score.

57Moderate · 0% of overall
How it's scored
0/45Agent instructions — no CLAUDE.md / AGENTS.md / editor rules
0/15Machine-readable docs (llms.txt)
0/40Legible commit history — no data
Inputs used
has_llms_txtno
legible_history_share
agent_instruction_files
agent_instruction_max_bytes
Excluded from scoring (no data or not applicable): Legible commit history. Remaining weights renormalized.
How it's scored
18/18One-command bootstrap — doc/Makefile
22/22Automated tests
11/11Lint / format config
11/11Static type checking — python/mujoco/sysid/py.typed, wasm/tsconfig.json
10/10Reproducible environment — lockfile
0/10Demonstrated agent practice — no data
0/8Automated maintenance — no data
3/10OpenSSF Scorecard: Pinned-Dependencies — dependency not pinned by hash detected -- score normalized to 3
Inputs used
has_nixno
has_testsyes
lockfilespackage-lock.json
has_dockerfileno
typed_languageyes
bootstrap_filesdoc/Makefile
has_devcontainerno
has_linter_configyes
typecheck_configspython/mujoco/sysid/py.typed, wasm/tsconfig.json
agent_commit_share
toolchain_manifests
dependency_bot_commit_share
Excluded from scoring (no data or not applicable): Demonstrated agent practice, Automated maintenance. Remaining weights renormalized.
How it's scored
45/45Type-checkable code — C++ (statically typed)
51.7/55Manageable file sizes — 51/838 source files over 60KB
Inputs used
primary_languageC++
largest_source_bytes445,191
source_files_sampled838
oversized_source_files51
How it's scored
0/40API schema (OpenAPI/GraphQL/proto)
0/20MCP server
40/40Runnable examples — notebooks, sample
Inputs used
example_dirsnotebooks, sample
has_mcp_signalno
api_schema_files

Key facts

14,267GitHub stars
100contributors
1,921commits, last 12 months
0days since last push
50releases
4bus factor
160open issues
npm, PyPIpackage ecosystems

Data collection warnings

  • Could not fetch npm package 'org.mujoco' from its registry

More detail

OpenSSF Scorecard 5.8 / 10
5.8aggregate

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).Scorecard v5.5.0 · 2026-07-21 01:57 UTC

10Binary-Artifactsno binaries found in the repo
n/aBranch-Protectioninternal 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
10CI-Tests3 out of 3 merged PRs checked by a CI test -- score normalized to 10
0CII-Best-Practicesno effort to earn an OpenSSF best practices badge detected
10Code-Reviewall changesets reviewed
10Contributorsproject has 22 contributing companies or organizations
10Dangerous-Workflowno dangerous workflow patterns detected
10Dependency-Update-Toolupdate tool detected
0Fuzzingproject is not fuzzed
10Licenselicense file detected
10Maintained30 commit(s) and 13 issue activity found in the last 90 days -- score normalized to 10
n/aPackagingpackaging workflow not detected
3Pinned-Dependenciesdependency not pinned by hash detected -- score normalized to 3
0SASTSAST tool is not run on all commits -- score normalized to 0
10Security-Policysecurity policy file detected
0Signed-ReleasesProject has not signed or included provenance with any releases.
0Token-Permissionsdetected GitHub workflow tokens with excessive permissions
0Vulnerabilities16 existing vulnerabilities detected
Direct dependencies 12
RegistryPackageVersion constraintManifest
PyPIabsl-pymjx/pyproject.toml
PyPIetilsmjx/pyproject.toml
PyPIjaxmjx/pyproject.toml
PyPIjaxlibmjx/pyproject.toml
PyPImujoco>=3.11.0.dev0mjx/pyproject.toml
PyPIscipymjx/pyproject.toml
PyPItrimeshmjx/pyproject.toml
PyPIabsl-pypython/pyproject.toml
PyPIetilspython/pyproject.toml
PyPIglfwpython/pyproject.toml
PyPInumpypython/pyproject.toml
PyPIpyopenglpython/pyproject.toml
All dependencies 179

Full resolved dependency set from the GitHub dependency graph: 11 direct and 168 indirect (transitive) packages. The transitive closure is complete when the repository commits a lockfile.

RegistryPackageVersionRelation
PyPIabsl-py2.1.0direct
PyPIetils1.10.0direct
PyPIglfwdirect
PyPIglfw2.9.0direct
PyPImujocodirect
PyPInumpydirect
PyPInumpy2.4.4direct
PyPIpyopengldirect
PyPIpyopengl3.1.7direct
PyPIscipy1.17.0direct
PyPItrimesh4.5.2direct
npm@cspotcode/source-map-support0.8.1indirect
npm@emnapi/core1.10.0indirect
npm@emnapi/runtime1.10.0indirect
npm@emnapi/wasi-threads1.2.1indirect
npm@isaacs/cliui8.0.2indirect
npm@jridgewell/resolve-uri3.1.2indirect
npm@jridgewell/sourcemap-codec1.5.5indirect
npm@jridgewell/trace-mapping0.3.9indirect
npm@napi-rs/wasm-runtime1.1.4indirect
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npm@pkgjs/parseargs0.11.0indirect
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npm@rolldown/binding-darwin-arm641.0.3indirect
npm@rolldown/binding-darwin-x641.0.3indirect
npm@rolldown/binding-freebsd-x641.0.3indirect
npm@rolldown/binding-linux-arm-gnueabihf1.0.3indirect
npm@rolldown/binding-linux-arm64-gnu1.0.3indirect
npm@rolldown/binding-linux-arm64-musl1.0.3indirect
npm@rolldown/binding-linux-ppc64-gnu1.0.3indirect
npm@rolldown/binding-linux-s390x-gnu1.0.3indirect
npm@rolldown/binding-linux-x64-gnu1.0.3indirect
npm@rolldown/binding-linux-x64-musl1.0.3indirect
npm@rolldown/binding-openharmony-arm641.0.3indirect
npm@rolldown/binding-wasm32-wasi1.0.3indirect
npm@rolldown/binding-win32-arm64-msvc1.0.3indirect
npm@rolldown/binding-win32-x64-msvc1.0.3indirect
npm@rolldown/pluginutils1.0.1indirect
npm@tsconfig/node101.0.11indirect
npm@tsconfig/node121.0.11indirect
npm@tsconfig/node141.0.3indirect
npm@tsconfig/node161.0.4indirect
npm@tybys/wasm-util0.10.2indirect
npm@types/jasmine5.1.12indirect
npm@types/node24.9.2indirect
npmacorn8.15.0indirect
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npmansi-regex5.0.1indirect
npmansi-regex6.2.2indirect
npmansi-styles4.3.0indirect
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npmbalanced-match1.0.2indirect
npmbrace-expansion2.1.1indirect
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npmcolor-name1.1.4indirect
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npmcross-spawn7.0.6indirect
npmdetect-libc2.1.2indirect
npmdiff4.0.4indirect
npmeastasianwidth0.2.0indirect
npmemoji-regex8.0.0indirect
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npmlightningcss1.32.0indirect
npmlightningcss-android-arm641.32.0indirect
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npmlightningcss-darwin-x641.32.0indirect
npmlightningcss-freebsd-x641.32.0indirect
npmlightningcss-linux-arm-gnueabihf1.32.0indirect
npmlightningcss-linux-arm64-gnu1.32.0indirect
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npmlightningcss-linux-x64-gnu1.32.0indirect
npmlightningcss-linux-x64-musl1.32.0indirect
npmlightningcss-win32-arm64-msvc1.32.0indirect
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PyPIbuild1.2.2.post1indirect
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PyPIpackaging24.2indirect
PyPIpandoc1.1.0indirect
PyPIpillow12.2.0indirect
PyPIpip26.1indirect
PyPIpip26.1.2indirect
PyPIplotly6.5.2indirect
PyPIpluggy1.5.0indirect
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PyPIpyelftools0.31indirect
PyPIpyglsindirect
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PyPIpyparsing3.3.2indirect
PyPIpyproject-hooks1.2.0indirect
PyPIpytest9.0.3indirect
PyPIpytest-xdist3.6.1indirect
PyPIpython-dateutil2.9.0.post0indirect
PyPIpyyaml6.0.3indirect
PyPIsetuptools78.1.1indirect
PyPIsix1.17.0indirect
PyPIsphinx7.4.7indirect
PyPIsphinx-copybutton0.5.2indirect
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PyPIsphinx-favicon1.0.1indirect
PyPIsphinx-reredirects0.1.1indirect
PyPIsphinx-toolbox3.8.2indirect
PyPIsphinxcontrib-bibtex2.6.3indirect
PyPIsphinxcontrib-katex0.9.4indirect
PyPIsphinxcontrib-youtube1.2.0indirect
PyPItabulate0.9.0indirect
PyPItomli2.1.0indirect
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PyPIwheel0.46.2indirect
PyPIzipp3.21.0indirect
Dependency advisories 4

This repository publishes no package the index resolves, so its own dependency graph was assessed — 171 packages, which also include development and test pins that never ship: 4 carry known advisories, of which 0 are direct. 8 could not be assessed — no resolved version, an unsupported ecosystem, or beyond the reported package list.

PackageVersionRelationSeverityAdvisoriesFixed in
pillow12.2.0indirectcritical2112.3.0
brace-expansion2.1.1indirecthigh15.0.7
pip26.1indirecthigh226.1.2
setuptools78.1.1indirectmoderate183.0.0

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.

Raw JSON report machine-readable
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      "pushed_at": "2026-07-20T23:17:16Z",
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      "account_age_days": 4342
    },
    "license": {
      "state": "standard",
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      "file_present": true,
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    },
    "activity": {
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      "commits_last_year": 1921,
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      "releases_from_tags": false,
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      "active_weeks_last_year": 52,
      "days_since_latest_release": 28,
      "mean_days_between_releases": 31
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    "community": {
      "has_readme": true,
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      "health_percentage": 62,
      "has_issue_template": false,
      "has_code_of_conduct": false,
      "has_pull_request_template": false
    },
    "ecosystem": {
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          ],
          "ecosystem": "npm",
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                "key": "commit_cadence",
                "name": "Commit cadence",
                "detail": "52/52 weeks with commits",
                "points": 36,
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                "details": [
                  {
                    "code": "commit_cadence_weeks",
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                      "weeks": 52
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                "key": "commit_volume",
                "name": "Commit volume",
                "detail": "1921 commits in the last year",
                "points": 18,
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                "details": [
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                      "count": 1921
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                "max_points": 18
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                "key": "openssf_scorecard_maintained",
                "name": "OpenSSF Scorecard: Maintained",
                "detail": "30 commit(s) and 13 issue activity found in the last 90 days -- score normalized to 10",
                "points": 10,
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                "details": [],
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            ]
          },
          {
            "key": "release_discipline",
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            "note": null,
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              "releases_count": 50,
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            "components": [
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                "key": "ships_releases",
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                "detail": "50 releases published",
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                "details": [
                  {
                    "code": "releases_published",
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                      "count": 50
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                ],
                "max_points": 27
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                "key": "release_recency",
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                "max_points": 36
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              {
                "key": "release_cadence",
                "name": "Release cadence",
                "detail": "a release every ~31 days",
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                "details": [
                  {
                    "code": "release_cadence",
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                      "gap": 31
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                ],
                "max_points": 27
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              {
                "key": "openssf_scorecard_signed_releases",
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                "detail": "Project has not signed or included provenance with any releases.",
                "points": 0,
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                "max_points": 10
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            ]
          },
          {
            "key": "abandonment",
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            "value": 100,
            "inputs": {
              "cap": null,
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            "components": [
              {
                "key": "project_is_still_maintained",
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                "detail": "maintenance record not established from the collected data",
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                "details": [
                  {
                    "code": "abandonment_unverified",
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                ],
                "max_points": 100
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            ]
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        ],
        "description": "Is the project alive — is code being written and are releases shipping?"
      },
      {
        "key": "community",
        "band": "good",
        "name": "Community & Adoption",
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        "metrics": [
          {
            "key": "popularity",
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            "note": null,
            "notes": [],
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              "forks": 1645,
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              "watchers": 131,
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            "components": [
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                "details": [
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                    "code": "stars",
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                      "count": 14267
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                  }
                ],
                "max_points": 60
              },
              {
                "key": "forks",
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                "details": [
                  {
                    "code": "forks",
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                      "count": 1645
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                  }
                ],
                "max_points": 25
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              {
                "key": "watchers",
                "name": "Watchers",
                "detail": "131 watchers",
                "points": 11.8,
                "status": "partial",
                "details": [
                  {
                    "code": "watchers",
                    "params": {
                      "count": 131
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                  }
                ],
                "max_points": 15
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            ]
          },
          {
            "key": "community_health",
            "band": "good",
            "name": "Community health",
            "note": null,
            "notes": [],
            "value": 70,
            "inputs": {
              "has_readme": true,
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              "has_contributing": true,
              "has_issue_template": false,
              "has_code_of_conduct": false,
              "has_pull_request_template": false
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            "components": [
              {
                "key": "readme",
                "name": "README",
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                "details": [],
                "max_points": 22.5
              },
              {
                "key": "license",
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                "detail": "recognized license (Apache-2.0)",
                "points": 22.5,
                "status": "met",
                "details": [
                  {
                    "code": "license_standard",
                    "params": {}
                  },
                  {
                    "code": "license_spdx",
                    "params": {
                      "spdx": "Apache-2.0"
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                "max_points": 22.5
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              {
                "key": "contributing_guide",
                "name": "CONTRIBUTING guide",
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                "details": [],
                "max_points": 18
              },
              {
                "key": "code_of_conduct",
                "name": "Code of conduct",
                "detail": null,
                "points": 0,
                "status": "missed",
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              },
              {
                "key": "issue_template",
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                "key": "pr_template",
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                "status": "missed",
                "details": [],
                "max_points": 6.3
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            ]
          },
          {
            "key": "ecosystem_adoption",
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            "name": "Ecosystem adoption (downloads)",
            "note": "Excluded from scoring (no data or not applicable): Registry dependents. Remaining weights renormalized.",
            "notes": [
              {
                "code": "excluded_no_data",
                "params": {
                  "components": [
                    "registry_dependents"
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              {
                "code": "weights_renormalized",
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            "value": 84,
            "inputs": {
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                "mujoco-mjx",
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              "dependents": null,
              "ecosystems": "npm, pypi",
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            "components": [
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                "points": 67,
                "status": "partial",
                "details": [
                  {
                    "code": "downloads_monthly",
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                  }
                ],
                "max_points": 80
              },
              {
                "key": "registry_dependents",
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                "status": "excluded",
                "details": [
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                    "code": "not_reported_by_this_ecosystem",
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                ],
                "max_points": 20
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            ]
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        ],
        "description": "Does the project have users, downloads, attention, and a welcoming setup for contributors?"
      },
      {
        "key": "governance",
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        "name": "Sustainability & Governance",
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        "weight": 0.24,
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                "key": "bus_factor",
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                      "count": 4
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                "max_points": 54
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                "key": "commit_distribution",
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                    "code": "top_contributor_share",
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                "max_points": 22.5
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                "status": "met",
                "details": [
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                    "code": "contributors_sampled",
                    "params": {
                      "count": 100
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                ],
                "max_points": 13.5
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                "key": "openssf_scorecard_contributors",
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                "points": 10,
                "status": "met",
                "details": [],
                "max_points": 10
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            ]
          },
          {
            "key": "responsiveness",
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            "note": null,
            "notes": [],
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            "inputs": {
              "merged_prs": 221,
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            "components": [
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                "key": "issue_resolution",
                "name": "Issue resolution",
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                "points": 42.8,
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                    "code": "issues_closed_share",
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                      "share": 92
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                "max_points": 46.75
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                "key": "pr_acceptance",
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                "max_points": 38.25
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              {
                "key": "openssf_scorecard_code_review",
                "name": "OpenSSF Scorecard: Code-Review",
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                "max_points": 15
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            ]
          },
          {
            "key": "stewardship",
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            "note": null,
            "notes": [],
            "value": 80,
            "inputs": {
              "followers": 25615,
              "owner_type": "Organization",
              "is_verified": null,
              "owner_login": "google-deepmind",
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            "components": [
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                "key": "ownership_backing",
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                "max_points": 30
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                "key": "verified_domain",
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              },
              {
                "key": "owner_reach",
                "name": "Owner reach",
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                    "code": "owner_followers",
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                "max_points": 25
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                "key": "track_record",
                "name": "Track record",
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                    "code": "public_repos",
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                    "code": "account_age_years",
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                "max_points": 25
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          {
            "key": "package_maintenance",
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            "notes": [],
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            "inputs": {
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            "components": [
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                "key": "published_resolvable",
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                "key": "publish_recency",
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              },
              {
                "key": "version_history",
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                "points": 20,
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                "details": [
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                ],
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              },
              {
                "key": "not_deprecated",
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                "detail": "active, not deprecated or yanked",
                "points": 20,
                "status": "met",
                "details": [
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                    "code": "package_not_deprecated",
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                "max_points": 20
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            ]
          }
        ],
        "description": "Will the project survive its people — bus factor, responsiveness, who backs it, and package upkeep?"
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        "metrics": [
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            "inputs": {
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            "components": [
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                "key": "ci_workflows",
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                "points": 24,
                "status": "met",
                "details": [
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                    "code": "ci_workflows",
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                "key": "tests_present",
                "name": "Tests present",
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                "points": 24,
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                "details": [],
                "max_points": 24
              },
              {
                "key": "linter_config",
                "name": "Linter config",
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              },
              {
                "key": "pre_commit_hooks",
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              {
                "key": "openssf_scorecard_ci_tests",
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          },
          {
            "key": "documentation",
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            "notes": [],
            "value": 90,
            "inputs": {
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              "has_wiki": false,
              "homepage": "https://mujoco.org",
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              "has_docs_dir": true,
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            "components": [
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                "key": "readme",
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              },
              {
                "key": "documentation_directory",
                "name": "Documentation directory",
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                "points": 25,
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              {
                "key": "repository_description",
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            ]
          }
        ],
        "description": "Are baseline engineering and documentation practices in place?"
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        "key": "security",
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                "code": "excluded_no_data",
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                }
              },
              {
                "code": "weights_renormalized",
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            ],
            "value": 58,
            "inputs": {
              "source": "openssf_scorecard",
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            "components": [
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                "key": "binary_artifacts",
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                "status": "met",
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              },
              {
                "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",
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                "max_points": 7.5
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                "key": "ci_tests",
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              {
                "key": "cii_best_practices",
                "name": "CII-Best-Practices",
                "detail": "no effort to earn an OpenSSF best practices badge detected",
                "points": 0,
                "status": "missed",
                "details": [],
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              },
              {
                "key": "code_review",
                "name": "Code-Review",
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              },
              {
                "key": "contributors",
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                "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,
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              },
              {
                "key": "fuzzing",
                "name": "Fuzzing",
                "detail": "project is not fuzzed",
                "points": 0,
                "status": "missed",
                "details": [],
                "max_points": 5
              },
              {
                "key": "license",
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                "detail": "license file detected",
                "points": 2.5,
                "status": "met",
                "details": [],
                "max_points": 2.5
              },
              {
                "key": "maintained",
                "name": "Maintained",
                "detail": "30 commit(s) and 13 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 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 3",
                "points": 1.5,
                "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 detected",
                "points": 5,
                "status": "met",
                "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": "16 existing vulnerabilities detected",
                "points": 0,
                "status": "missed",
                "details": [],
                "max_points": 7.5
              }
            ]
          },
          {
            "key": "dependency_advisories",
            "band": "excellent",
            "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 171 resolved dependencies against OSV; 8 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": 171
                }
              },
              {
                "code": "advisories_unassessed",
                "params": {
                  "count": 8
                }
              },
              {
                "code": "advisories_repo_graph_caveat",
                "params": {}
              },
              {
                "code": "advisories_reachability",
                "params": {}
              }
            ],
            "value": 100,
            "inputs": {
              "source": "osv",
              "advisories": 25,
              "affected_packages": 4,
              "assessed_packages": 171,
              "unassessed_packages": 8,
              "affected_by_severity": "critical 1, high 2, 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": "excellent",
            "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": 171,
              "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": "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": 5
            },
            "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": 57,
        "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": "excellent",
            "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": [
                    "demonstrated_agent_practice",
                    "automated_maintenance"
                  ]
                }
              },
              {
                "code": "weights_renormalized",
                "params": {}
              }
            ],
            "value": 91,
            "inputs": {
              "has_nix": false,
              "has_tests": true,
              "lockfiles": [
                "package-lock.json"
              ],
              "has_dockerfile": false,
              "typed_language": true,
              "bootstrap_files": [
                "doc/Makefile"
              ],
              "has_devcontainer": false,
              "has_linter_config": true,
              "typecheck_configs": [
                "python/mujoco/sysid/py.typed",
                "wasm/tsconfig.json"
              ],
              "agent_commit_share": null,
              "toolchain_manifests": [],
              "dependency_bot_commit_share": null
            },
            "components": [
              {
                "key": "one_command_bootstrap",
                "name": "One-command bootstrap",
                "detail": "doc/Makefile",
                "points": 18,
                "status": "met",
                "details": [
                  {
                    "code": "file_list",
                    "params": {
                      "files": "doc/Makefile"
                    }
                  }
                ],
                "max_points": 18
              },
              {
                "key": "automated_tests",
                "name": "Automated tests",
                "detail": null,
                "points": 22,
                "status": "met",
                "details": [],
                "max_points": 22
              },
              {
                "key": "lint_format_config",
                "name": "Lint / format config",
                "detail": null,
                "points": 11,
                "status": "met",
                "details": [],
                "max_points": 11
              },
              {
                "key": "static_type_checking",
                "name": "Static type checking",
                "detail": "python/mujoco/sysid/py.typed, wasm/tsconfig.json",
                "points": 11,
                "status": "met",
                "details": [
                  {
                    "code": "file_list",
                    "params": {
                      "files": "python/mujoco/sysid/py.typed, wasm/tsconfig.json"
                    }
                  }
                ],
                "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": "no data",
                "points": 0,
                "status": "excluded",
                "details": [
                  {
                    "code": "no_data",
                    "params": {}
                  }
                ],
                "max_points": 8
              },
              {
                "key": "openssf_scorecard_pinned_dependencies",
                "name": "OpenSSF Scorecard: Pinned-Dependencies",
                "detail": "dependency not pinned by hash detected -- score normalized to 3",
                "points": 3,
                "status": "partial",
                "details": [],
                "max_points": 10
              }
            ]
          },
          {
            "key": "ai_code_legibility",
            "band": "excellent",
            "name": "Code legibility for models",
            "note": null,
            "notes": [],
            "value": 97,
            "inputs": {
              "primary_language": "C++",
              "largest_source_bytes": 445191,
              "source_files_sampled": 838,
              "oversized_source_files": 51
            },
            "components": [
              {
                "key": "type_checkable_code",
                "name": "Type-checkable code",
                "detail": "C++ (statically typed)",
                "points": 45,
                "status": "met",
                "details": [
                  {
                    "code": "statically_typed_language",
                    "params": {
                      "language": "C++"
                    }
                  }
                ],
                "max_points": 45
              },
              {
                "key": "manageable_file_sizes",
                "name": "Manageable file sizes",
                "detail": "51/838 source files over 60KB",
                "points": 51.7,
                "status": "partial",
                "details": [
                  {
                    "code": "oversized_source_files",
                    "params": {
                      "kb": 60,
                      "sampled": 838,
                      "oversized": 51
                    }
                  }
                ],
                "max_points": 55
              }
            ]
          },
          {
            "key": "ai_interfaces",
            "band": "at_risk",
            "name": "Machine-readable interfaces",
            "note": null,
            "notes": [],
            "value": 40,
            "inputs": {
              "example_dirs": [
                "notebooks",
                "sample"
              ],
              "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": "notebooks, sample",
                "points": 40,
                "status": "met",
                "details": [
                  {
                    "code": "file_list",
                    "params": {
                      "files": "notebooks, sample"
                    }
                  }
                ],
                "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 npm package 'org.mujoco' from its registry"
  ],
  "report_type": "repository",
  "generated_at": "2026-07-21T01:58:12.455722Z",
  "schema_version": "0.16.0",
  "badge_url": "https://raw.githubusercontent.com/inspect-software/badges/main/v1/g/google-deepmind/mujoco.svg",
  "full_name": "google-deepmind/mujoco",
  "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 v0.16.0 — full methodology · metrics wiki.

How one result sits in the wider record: aggregate statisticsnpm, PyPI.