Public record
Software health reportschema 0.9.0 · metrics 1.13.0 · 2026-07-14 07:52 UTC

swc-project / swc

Rust-based platform for the Web

RustApache-2.0★ 34,249 stars⑂ 1,591 forkssince Dec 2017View on GitHub ↗

swc-project/swc holds a health index of 81 out of 100, placing it in the Good band. It scores highest on Vitality (96/100) and lowest on Security (71/100). It was last updated today. 2 contributors account for most of its recent work.

81
overall / 100
Good

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.

81
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

swcOrganization
778 followers36 public repossince Mar 2017

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

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 — 1,062 commits in the last year
10/10OpenSSF Scorecard: Maintained — 30 commit(s) and 14 issue activity found in the last 90 days -- score normalized to 10
Inputs used
commits_last_year1,062
human_commit_share
days_since_last_push0
active_weeks_last_year52
How it's scored
27/27Ships releases — 100 releases published
36/36Release recency — latest release 21 days ago
27/27Release cadence — a release every ~5.7 days
0/10OpenSSF Scorecard: Signed-Releases — Project has not signed or included provenance with any releases.
Inputs used
releases_count100
latest_release_tagv1.15.43-nightly-20260622.1
releases_from_tagsno
days_since_latest_release21
mean_days_between_releases5.7

Community & Adoption

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

88Excellent · 18% of overall
How it's scored
60/60Stars — 34,249 stars
25/25Forks — 1,591 forks
13.2/15Watchers — 240 watchers
Inputs used
forks1,591
stars34,249
watchers240
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
6.3/6.3PR template
Inputs used
has_readmeyes
has_licenseyes
has_contributingyes
has_issue_templateno
has_code_of_conductno
has_pull_request_templateyes

Sustainability & Governance

Will the project survive its people — bus factor, responsiveness, who backs it, and package upkeep?

74Good · 24% of overall
How it's scored
25.2/54Bus factor — 2 contributor(s) cover half of all commits
13.1/22.5Commit distribution — top contributor authored 42% of commits
13.5/13.5Contributor breadth — 100 contributors
10/10OpenSSF Scorecard: Contributors — project has 52 contributing companies or organizations
Inputs used
bus_factor2
contributors_sampled100
top_contributor_share0.419
How it's scored
42.8/46.8Issue resolution — 92% of issues closed
33.3/38.3PR acceptance — 6,110/7,015 decided PRs merged
12/15OpenSSF Scorecard: Code-Review — Found 25/30 approved changesets -- score normalized to 8
Inputs used
merged_prs6,110
open_issues355
closed_issues3,853
issue_closed_ratio0.916
closed_unmerged_prs905
How it's scored
30/30Ownership backing — organization-owned
0/20Verified domain
20.8/25Owner reach — 778 followers of swc-project
23.4/25Track record — 36 public repos, account ~9 yr old
Inputs used
followers778
owner_typeOrganization
is_verified
owner_loginswc-project
public_repos36
account_age_days3,395

Engineering Quality

Are baseline engineering and documentation practices in place?

76Good · 20% of overall
How it's scored
24/24CI workflows — 16 workflow(s)
24/24Tests present
16/16Linter config — .eslintrc, .eslintrc.cjs, .eslintrc.js
0/9.6Pre-commit hooks
0/6.4.editorconfig
20/20OpenSSF Scorecard: CI-Tests — 25 out of 25 merged PRs checked by a CI test -- score normalized to 10
Inputs used
has_ciyes
has_testsyes
has_editorconfigno
has_linter_configyes
has_precommit_configno

Documentation

65Moderate
How it's scored
30/30README
0/25Documentation directory
15/15Documentation / homepage site — https://swc.rs
10/10Repository description
10/10Topics — 11 topics
0/10Wiki
Inputs used
topicsbabel, compiler, ecmascript, ecmascript-parser, javascript, parser, rust, swc, typescript, typescript-compiler, typescript-parser
has_wikino
homepagehttps://swc.rs
has_readmeyes
has_docs_dirno
has_descriptionyes

Security

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

71Good · 16% of overall
How it's scored
7.5/7.5Binary-Artifacts — no binaries found in the repo
3/7.5Branch-Protection — branch protection is not maximal on development and all release branches
2.5/2.5CI-Tests — 25 out of 25 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
6/7.5Code-Review — Found 25/30 approved changesets -- score normalized to 8
2.5/2.5Contributors — project has 52 contributing companies or organizations
10/10Dangerous-Workflow — no dangerous workflow patterns detected
7.5/7.5Dependency-Update-Tool — update tool detected
5/5Fuzzing — project is fuzzed
2.5/2.5License — license file detected
7.5/7.5Maintained — 30 commit(s) and 14 issue activity found in the last 90 days -- score normalized to 10
5/5Packaging — packaging workflow detected
3/5Pinned-Dependencies — dependency not pinned by hash detected -- score normalized to 6
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.
7.5/7.5Token-Permissions — GitHub workflow tokens follow principle of least privilege
0/7.5Vulnerabilities — 166 existing vulnerabilities detected
Inputs used
sourceopenssf_scorecard
checks_evaluated18
scorecard_versionv5.5.0
checks_inconclusive0
scorecard_aggregate7.1

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.

76Good · 0% of overall
How it's scored
45/45Agent instructions — AGENTS.md, CLAUDE.md, crates/jsdoc/AGENTS.md, crates/swc/AGENTS.md, crates/swc_bundler/AGENTS.md, crates/swc_core/AGENTS.md, crates/swc_css_codegen/AGENTS.md, crates/swc_css_compat/AGENTS.md, crates/swc_css_lints/AGENTS.md, crates/swc_css_minifier/AGENTS.md, crates/swc_css_modules/AGENTS.md, crates/swc_css_parser/AGENTS.md, crates/swc_css_prefixer/AGENTS.md, crates/swc_ecma_codegen/AGENTS.md, crates/swc_ecma_lints/AGENTS.md, crates/swc_ecma_minifier/AGENTS.md
0/15Machine-readable docs (llms.txt)
0/40Legible commit history — no data
Inputs used
has_llms_txtno
legible_history_share
agent_instruction_filesAGENTS.md, CLAUDE.md, crates/jsdoc/AGENTS.md, crates/swc/AGENTS.md, crates/swc_bundler/AGENTS.md, crates/swc_core/AGENTS.md, crates/swc_css_codegen/AGENTS.md, crates/swc_css_compat/AGENTS.md, crates/swc_css_lints/AGENTS.md, crates/swc_css_minifier/AGENTS.md, crates/swc_css_modules/AGENTS.md, crates/swc_css_parser/AGENTS.md, crates/swc_css_prefixer/AGENTS.md, crates/swc_ecma_codegen/AGENTS.md, crates/swc_ecma_lints/AGENTS.md, crates/swc_ecma_minifier/AGENTS.md
agent_instruction_max_bytes17,722
Excluded from scoring (no data or not applicable): Legible commit history. Remaining weights renormalized.
How it's scored
0/18One-command bootstrap
22/22Automated tests
11/11Lint / format config — .eslintrc, .eslintrc.cjs, .eslintrc.js
11/11Static type checking — .github/bot/tsconfig.json, .github/swc-ecosystem-ci/tsconfig.json
10/10Reproducible environment — lockfile
0/10Demonstrated agent practice — no data
0/8Automated maintenance — no data
6/10OpenSSF Scorecard: Pinned-Dependencies — dependency not pinned by hash detected -- score normalized to 6
Inputs used
has_nixno
has_testsyes
lockfilesCargo.lock, pnpm-lock.yaml
has_dockerfileno
typed_languageyes
bootstrap_files
has_devcontainerno
has_linter_configyes
typecheck_configs.github/bot/tsconfig.json, .github/swc-ecosystem-ci/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 — Rust (statically typed)
54.7/55Manageable file sizes — 175/33,543 source files over 60KB
Inputs used
primary_languageRust
largest_source_bytes14,102,710
source_files_sampled33,543
oversized_source_files175
How it's scored
0/40API schema (OpenAPI/GraphQL/proto)
20/20MCP server
40/40Runnable examples — example, examples, samples
Inputs used
example_dirsexample, examples, samples
has_mcp_signalyes
api_schema_files

Key facts

34,249GitHub stars
100contributors
1,062commits, last 12 months
0days since last push
100releases
2bus factor
355open issues
crates.iopackage ecosystems

Data collection warnings

  • File tree truncated by GitHub API; file-based signals may be incomplete

More detail

OpenSSF Scorecard 7.1 / 10
7.1aggregate

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 · 2026-07-14 07:51 UTC

10Binary-Artifactsno binaries found in the repo
4Branch-Protectionbranch protection is not maximal on development and all release branches
10CI-Tests25 out of 25 merged PRs checked by a CI test -- score normalized to 10
0CII-Best-Practicesno effort to earn an OpenSSF best practices badge detected
8Code-ReviewFound 25/30 approved changesets -- score normalized to 8
10Contributorsproject has 52 contributing companies or organizations
10Dangerous-Workflowno dangerous workflow patterns detected
10Dependency-Update-Toolupdate tool detected
10Fuzzingproject is fuzzed
10Licenselicense file detected
10Maintained30 commit(s) and 14 issue activity found in the last 90 days -- score normalized to 10
10Packagingpackaging workflow detected
6Pinned-Dependenciesdependency not pinned by hash detected -- score normalized to 6
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.
10Token-PermissionsGitHub workflow tokens follow principle of least privilege
0Vulnerabilities166 existing vulnerabilities detected
Raw JSON report machine-readable
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      "is_fork": false,
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    "ai_readiness": {
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      "has_llms_txt": false,
      "has_dockerfile": false,
      "has_mcp_signal": true,
      "bootstrap_files": [],
      "api_schema_files": [],
      "has_devcontainer": false,
      "typecheck_configs": [
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      "largest_source_bytes": 14102710,
      "source_files_sampled": 33543,
      "oversized_source_files": 175,
      "agent_instruction_files": [
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        "crates/swc_css_codegen/AGENTS.md",
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        "crates/swc_css_minifier/AGENTS.md",
        "crates/swc_css_modules/AGENTS.md",
        "crates/swc_css_parser/AGENTS.md",
        "crates/swc_css_prefixer/AGENTS.md",
        "crates/swc_ecma_codegen/AGENTS.md",
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      "agent_instruction_max_bytes": 17722
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    "dependencies": {
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      "ecosystems": [
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    "maintainership": {
      "issues": {
        "open_prs": 46,
        "merged_prs": 6110,
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        "closed_ratio": 0.916,
        "closed_issues": 3853,
        "closed_unmerged_prs": 905
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      "bus_factor": 2,
      "top_contributors": [
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          "login": "swc-bot",
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          "avatar_url": "https://avatars.githubusercontent.com/u/99782286?v=4"
        },
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          "type": "User",
          "login": "Austaras",
          "commits": 264,
          "avatar_url": "https://avatars.githubusercontent.com/u/15013925?u=980860393b6e644f1db84f22512e79444a64e000&v=4"
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          "type": "User",
          "login": "dsherret",
          "commits": 137,
          "avatar_url": "https://avatars.githubusercontent.com/u/1609021?u=fc6a1ec363bb6ae9665efbb6138f8beb615be38b&v=4"
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      "top_contributor_share": 0.419
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    "quality_signals": {
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      "has_tests": true,
      "ci_workflows": [
        "CI.yml",
        "actions-security.yml",
        "bench.yml",
        "binary-size.yml",
        "claude.yml",
        "devbird.yml",
        "ecosystem-ci.yml",
        "lock-merged-pr-issues.yml",
        "lock.yml",
        "publish-crates-manual.yml",
        "publish-crates.yml",
        "publish-misc-packages.yml",
        "publish-npm-package.yml",
        "publish.yml",
        "reset-planned-milestone.yml",
        "stale.yml"
      ],
      "has_docs_dir": false,
      "linter_configs": [
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        ".eslintrc.js"
      ],
      "has_editorconfig": false,
      "has_linter_config": true,
      "has_precommit_config": false
    },
    "security_signals": {
      "lockfiles": [
        "Cargo.lock",
        "pnpm-lock.yaml"
      ],
      "scorecard": {
        "checks": [
          {
            "name": "Binary-Artifacts",
            "score": 10,
            "reason": "no binaries found in the repo",
            "documentation_url": "https://github.com/ossf/scorecard/blob/c395761df6afe1a69e476bc60a013a94bcbc153f/docs/checks.md#binary-artifacts"
          },
          {
            "name": "Branch-Protection",
            "score": 4,
            "reason": "branch protection is not maximal on development and all release branches",
            "documentation_url": "https://github.com/ossf/scorecard/blob/c395761df6afe1a69e476bc60a013a94bcbc153f/docs/checks.md#branch-protection"
          },
          {
            "name": "CI-Tests",
            "score": 10,
            "reason": "25 out of 25 merged PRs checked by a CI test -- score normalized to 10",
            "documentation_url": "https://github.com/ossf/scorecard/blob/c395761df6afe1a69e476bc60a013a94bcbc153f/docs/checks.md#ci-tests"
          },
          {
            "name": "CII-Best-Practices",
            "score": 0,
            "reason": "no effort to earn an OpenSSF best practices badge detected",
            "documentation_url": "https://github.com/ossf/scorecard/blob/c395761df6afe1a69e476bc60a013a94bcbc153f/docs/checks.md#cii-best-practices"
          },
          {
            "name": "Code-Review",
            "score": 8,
            "reason": "Found 25/30 approved changesets -- score normalized to 8",
            "documentation_url": "https://github.com/ossf/scorecard/blob/c395761df6afe1a69e476bc60a013a94bcbc153f/docs/checks.md#code-review"
          },
          {
            "name": "Contributors",
            "score": 10,
            "reason": "project has 52 contributing companies or organizations",
            "documentation_url": "https://github.com/ossf/scorecard/blob/c395761df6afe1a69e476bc60a013a94bcbc153f/docs/checks.md#contributors"
          },
          {
            "name": "Dangerous-Workflow",
            "score": 10,
            "reason": "no dangerous workflow patterns detected",
            "documentation_url": "https://github.com/ossf/scorecard/blob/c395761df6afe1a69e476bc60a013a94bcbc153f/docs/checks.md#dangerous-workflow"
          },
          {
            "name": "Dependency-Update-Tool",
            "score": 10,
            "reason": "update tool detected",
            "documentation_url": "https://github.com/ossf/scorecard/blob/c395761df6afe1a69e476bc60a013a94bcbc153f/docs/checks.md#dependency-update-tool"
          },
          {
            "name": "Fuzzing",
            "score": 10,
            "reason": "project is fuzzed",
            "documentation_url": "https://github.com/ossf/scorecard/blob/c395761df6afe1a69e476bc60a013a94bcbc153f/docs/checks.md#fuzzing"
          },
          {
            "name": "License",
            "score": 10,
            "reason": "license file detected",
            "documentation_url": "https://github.com/ossf/scorecard/blob/c395761df6afe1a69e476bc60a013a94bcbc153f/docs/checks.md#license"
          },
          {
            "name": "Maintained",
            "score": 10,
            "reason": "30 commit(s) and 14 issue activity found in the last 90 days -- score normalized to 10",
            "documentation_url": "https://github.com/ossf/scorecard/blob/c395761df6afe1a69e476bc60a013a94bcbc153f/docs/checks.md#maintained"
          },
          {
            "name": "Packaging",
            "score": 10,
            "reason": "packaging workflow detected",
            "documentation_url": "https://github.com/ossf/scorecard/blob/c395761df6afe1a69e476bc60a013a94bcbc153f/docs/checks.md#packaging"
          },
          {
            "name": "Pinned-Dependencies",
            "score": 6,
            "reason": "dependency not pinned by hash detected -- score normalized to 6",
            "documentation_url": "https://github.com/ossf/scorecard/blob/c395761df6afe1a69e476bc60a013a94bcbc153f/docs/checks.md#pinned-dependencies"
          },
          {
            "name": "SAST",
            "score": 0,
            "reason": "SAST tool is not run on all commits -- score normalized to 0",
            "documentation_url": "https://github.com/ossf/scorecard/blob/c395761df6afe1a69e476bc60a013a94bcbc153f/docs/checks.md#sast"
          },
          {
            "name": "Security-Policy",
            "score": 10,
            "reason": "security policy file detected",
            "documentation_url": "https://github.com/ossf/scorecard/blob/c395761df6afe1a69e476bc60a013a94bcbc153f/docs/checks.md#security-policy"
          },
          {
            "name": "Signed-Releases",
            "score": 0,
            "reason": "Project has not signed or included provenance with any releases.",
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                "key": "pinned_dependencies",
                "name": "Pinned-Dependencies",
                "detail": "dependency not pinned by hash detected -- score normalized to 6",
                "points": 3,
                "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": "GitHub workflow tokens follow principle of least privilege",
                "points": 7.5,
                "status": "met",
                "details": [],
                "max_points": 7.5
              },
              {
                "key": "vulnerabilities",
                "name": "Vulnerabilities",
                "detail": "166 existing vulnerabilities detected",
                "points": 0,
                "status": "missed",
                "details": [],
                "max_points": 7.5
              }
            ]
          },
          {
            "key": "high_risk_jurisdiction_exposure",
            "band": "excellent",
            "name": "High-Risk Jurisdiction Exposure",
            "note": "Only high-confidence self-published location evidence affects this multiplier. Ambiguous matches are review-only; country evidence is not proof of nationality, citizenship, legal registration, malicious intent, or sanctions status.",
            "notes": [
              {
                "code": "jurisdiction_evidence_limits",
                "params": {}
              }
            ],
            "value": 100,
            "inputs": {
              "meaning": "self-published location evidence; not nationality or citizenship",
              "red_flag": false,
              "exposures": [],
              "policy_countries": [
                "Russia",
                "Iran",
                "North Korea"
              ],
              "review_only_matches": 1,
              "assessed_self_published_locations": 4
            },
            "components": [
              {
                "key": "policy_exposure_multiplier",
                "name": "Policy exposure multiplier",
                "detail": "no confirmed policy-scope location match",
                "points": 100,
                "status": "met",
                "details": [
                  {
                    "code": "jurisdiction_no_match",
                    "params": {}
                  }
                ],
                "max_points": 100
              }
            ]
          }
        ],
        "description": "Are visible security and supply-chain practices strong, with no malicious dependency and no unresolved high-risk jurisdiction exposure?"
      },
      {
        "key": "ai_readiness",
        "band": "good",
        "name": "AI Readiness",
        "value": 76,
        "weight": 0,
        "metrics": [
          {
            "key": "ai_agent_context",
            "band": "good",
            "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": 75,
            "inputs": {
              "has_llms_txt": false,
              "legible_history_share": null,
              "agent_instruction_files": [
                "AGENTS.md",
                "CLAUDE.md",
                "crates/jsdoc/AGENTS.md",
                "crates/swc/AGENTS.md",
                "crates/swc_bundler/AGENTS.md",
                "crates/swc_core/AGENTS.md",
                "crates/swc_css_codegen/AGENTS.md",
                "crates/swc_css_compat/AGENTS.md",
                "crates/swc_css_lints/AGENTS.md",
                "crates/swc_css_minifier/AGENTS.md",
                "crates/swc_css_modules/AGENTS.md",
                "crates/swc_css_parser/AGENTS.md",
                "crates/swc_css_prefixer/AGENTS.md",
                "crates/swc_ecma_codegen/AGENTS.md",
                "crates/swc_ecma_lints/AGENTS.md",
                "crates/swc_ecma_minifier/AGENTS.md"
              ],
              "agent_instruction_max_bytes": 17722
            },
            "components": [
              {
                "key": "agent_instructions",
                "name": "Agent instructions",
                "detail": "AGENTS.md, CLAUDE.md, crates/jsdoc/AGENTS.md, crates/swc/AGENTS.md, crates/swc_bundler/AGENTS.md, crates/swc_core/AGENTS.md, crates/swc_css_codegen/AGENTS.md, crates/swc_css_compat/AGENTS.md, crates/swc_css_lints/AGENTS.md, crates/swc_css_minifier/AGENTS.md, crates/swc_css_modules/AGENTS.md, crates/swc_css_parser/AGENTS.md, crates/swc_css_prefixer/AGENTS.md, crates/swc_ecma_codegen/AGENTS.md, crates/swc_ecma_lints/AGENTS.md, crates/swc_ecma_minifier/AGENTS.md",
                "points": 45,
                "status": "met",
                "details": [
                  {
                    "code": "file_list",
                    "params": {
                      "files": "AGENTS.md, CLAUDE.md, crates/jsdoc/AGENTS.md, crates/swc/AGENTS.md, crates/swc_bundler/AGENTS.md, crates/swc_core/AGENTS.md, crates/swc_css_codegen/AGENTS.md, crates/swc_css_compat/AGENTS.md, crates/swc_css_lints/AGENTS.md, crates/swc_css_minifier/AGENTS.md, crates/swc_css_modules/AGENTS.md, crates/swc_css_parser/AGENTS.md, crates/swc_css_prefixer/AGENTS.md, crates/swc_ecma_codegen/AGENTS.md, crates/swc_ecma_lints/AGENTS.md, crates/swc_ecma_minifier/AGENTS.md"
                    }
                  }
                ],
                "max_points": 45
              },
              {
                "key": "machine_readable_docs_llms_txt",
                "name": "Machine-readable docs (llms.txt)",
                "detail": null,
                "points": 0,
                "status": "missed",
                "details": [],
                "max_points": 15
              },
              {
                "key": "legible_commit_history",
                "name": "Legible commit history",
                "detail": "no data",
                "points": 0,
                "status": "excluded",
                "details": [
                  {
                    "code": "no_data",
                    "params": {}
                  }
                ],
                "max_points": 40
              }
            ]
          },
          {
            "key": "ai_verify_loop",
            "band": "good",
            "name": "Verify loop (build / test / typecheck)",
            "note": "Excluded from scoring (no data or not applicable): Demonstrated agent practice, Automated maintenance. Remaining weights renormalized.",
            "notes": [
              {
                "code": "excluded_no_data",
                "params": {
                  "components": [
                    "demonstrated_agent_practice",
                    "automated_maintenance"
                  ]
                }
              },
              {
                "code": "weights_renormalized",
                "params": {}
              }
            ],
            "value": 73,
            "inputs": {
              "has_nix": false,
              "has_tests": true,
              "lockfiles": [
                "Cargo.lock",
                "pnpm-lock.yaml"
              ],
              "has_dockerfile": false,
              "typed_language": true,
              "bootstrap_files": [],
              "has_devcontainer": false,
              "has_linter_config": true,
              "typecheck_configs": [
                ".github/bot/tsconfig.json",
                ".github/swc-ecosystem-ci/tsconfig.json"
              ],
              "agent_commit_share": null,
              "toolchain_manifests": [],
              "dependency_bot_commit_share": null
            },
            "components": [
              {
                "key": "one_command_bootstrap",
                "name": "One-command bootstrap",
                "detail": null,
                "points": 0,
                "status": "missed",
                "details": [],
                "max_points": 18
              },
              {
                "key": "automated_tests",
                "name": "Automated tests",
                "detail": null,
                "points": 22,
                "status": "met",
                "details": [],
                "max_points": 22
              },
              {
                "key": "lint_format_config",
                "name": "Lint / format config",
                "detail": ".eslintrc, .eslintrc.cjs, .eslintrc.js",
                "points": 11,
                "status": "met",
                "details": [
                  {
                    "code": "file_list",
                    "params": {
                      "files": ".eslintrc, .eslintrc.cjs, .eslintrc.js"
                    }
                  }
                ],
                "max_points": 11
              },
              {
                "key": "static_type_checking",
                "name": "Static type checking",
                "detail": ".github/bot/tsconfig.json, .github/swc-ecosystem-ci/tsconfig.json",
                "points": 11,
                "status": "met",
                "details": [
                  {
                    "code": "file_list",
                    "params": {
                      "files": ".github/bot/tsconfig.json, .github/swc-ecosystem-ci/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 6",
                "points": 6,
                "status": "partial",
                "details": [],
                "max_points": 10
              }
            ]
          },
          {
            "key": "ai_code_legibility",
            "band": "excellent",
            "name": "Code legibility for models",
            "note": null,
            "notes": [],
            "value": 100,
            "inputs": {
              "primary_language": "Rust",
              "largest_source_bytes": 14102710,
              "source_files_sampled": 33543,
              "oversized_source_files": 175
            },
            "components": [
              {
                "key": "type_checkable_code",
                "name": "Type-checkable code",
                "detail": "Rust (statically typed)",
                "points": 45,
                "status": "met",
                "details": [
                  {
                    "code": "statically_typed_language",
                    "params": {
                      "language": "Rust"
                    }
                  }
                ],
                "max_points": 45
              },
              {
                "key": "manageable_file_sizes",
                "name": "Manageable file sizes",
                "detail": "175/33543 source files over 60KB",
                "points": 54.7,
                "status": "partial",
                "details": [
                  {
                    "code": "oversized_source_files",
                    "params": {
                      "kb": 60,
                      "sampled": 33543,
                      "oversized": 175
                    }
                  }
                ],
                "max_points": 55
              }
            ]
          },
          {
            "key": "ai_interfaces",
            "band": "moderate",
            "name": "Machine-readable interfaces",
            "note": null,
            "notes": [],
            "value": 60,
            "inputs": {
              "example_dirs": [
                "example",
                "examples",
                "samples"
              ],
              "has_mcp_signal": true,
              "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": 20,
                "status": "met",
                "details": [],
                "max_points": 20
              },
              {
                "key": "runnable_examples",
                "name": "Runnable examples",
                "detail": "example, examples, samples",
                "points": 40,
                "status": "met",
                "details": [
                  {
                    "code": "file_list",
                    "params": {
                      "files": "example, examples, samples"
                    }
                  }
                ],
                "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": [
    "File tree truncated by GitHub API; file-based signals may be incomplete"
  ],
  "report_type": "repository",
  "generated_at": "2026-07-14T07:52:27.184397Z",
  "schema_version": "0.9.0",
  "badge_url": "https://raw.githubusercontent.com/inspect-software/badges/main/v1/s/swc-project/swc.svg",
  "full_name": "swc-project/swc",
  "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 v0.9.0 — full methodology · metrics wiki.

How one result sits in the wider record: aggregate statistics.