# vercel/turborepo — health index 86/100 (Excellent)

> Inspection of the public repository vercel/turborepo by inspect.software. It holds a health index of 86 out of 100, placing it in the Excellent band. The index is a signal derived from publicly visible practice, not a warranty, a security audit, or an endorsement, and it is independent of payment.

- Repository: https://github.com/vercel/turborepo
- Report page: https://inspect.software/software/vercel/turborepo
- Full JSON report: https://inspect.software/api/repositories/vercel/turborepo/report
- Badge: https://raw.githubusercontent.com/inspect-software/badges/main/v1/v/vercel/turborepo.svg
- Inspected: 2026-07-15
- Methodology: metrics 1.13.0, report schema 0.11.0 (https://inspect.software/methodology.md)

## Category summary

| Category | Weight | Index | Band |
|---|---|---|---|
| Vitality | 22% | 100/100 | Excellent |
| Community & Adoption | 18% | 95/100 | Excellent |
| Sustainability & Governance | 24% | 83/100 | Good |
| Engineering Quality | 20% | 88/100 | Excellent |
| Security | 16% | 57/100 | Moderate |
| AI Readiness | not counted | 87/100 | Excellent |

## Repository facts

| Field | Value |
|---|---|
| Description | Build system optimized for JavaScript and TypeScript, written in Rust |
| Homepage | https://turborepo.dev |
| Primary language | Rust |
| License | MIT |
| Stars | 30,719 |
| Forks | 2,389 |
| Created | 2021-10-05 |
| Last push | 2026-07-15 |
| Latest release | v2.10.6-canary.2 |
| Commits (last year) | 1,923 |
| Bus factor | 5 |
| Topics | build-system, build-tool, javascript, monorepo, typescript |

## Published packages

| Registry | Package | Latest | Monthly downloads |
|---|---|---|---|
| npm | turborepo-examples | — | — |

## Vitality — 100/100 (Excellent)

Is the project alive — is code being written and are releases shipping? Weight: 22% of the overall index.

### Development activity — 100/100 (Excellent)

| Criterion | Status | Points | Detail |
|---|---|---|---|
| Push recency | met | 36 / 36 | last push 0 days ago |
| Commit cadence | met | 36 / 36 | 52/52 weeks with commits |
| Commit volume | met | 18 / 18 | 1923 commits in the last year |
| OpenSSF Scorecard: Maintained | met | 10 / 10 | 30 commit(s) and 0 issue activity found in the last 90 days -- score normalized to 10 |

### Release discipline — 100/100 (Excellent)

Excluded from scoring (no data or not applicable): OpenSSF Scorecard: Signed-Releases. Remaining weights renormalized.

| Criterion | Status | Points | Detail |
|---|---|---|---|
| Ships releases | met | 27 / 27 | 100 releases published |
| Release recency | met | 36 / 36 | latest release 0 days ago |
| Release cadence | met | 27 / 27 | a release every ~0.9 days |
| OpenSSF Scorecard: Signed-Releases | excluded | 0 / 10 | no releases found |

### Abandonment — 100/100 (Excellent)

| Criterion | Status | Points | Detail |
|---|---|---|---|
| Project is still maintained | met | 100 / 100 | maintenance record not established from the collected data |

## Community & Adoption — 95/100 (Excellent)

Does the project have users, downloads, attention, and a welcoming setup for contributors? Weight: 18% of the overall index.

### Popularity & adoption — 97/100 (Excellent)

| Criterion | Status | Points | Detail |
|---|---|---|---|
| Stars | met | 60 / 60 | 30,719 stars |
| Forks | met | 25 / 25 | 2,389 forks |
| Watchers | partial | 12 / 15 | 145 watchers |

### Community health — 92/100 (Excellent)

| Criterion | Status | Points | Detail |
|---|---|---|---|
| README | met | 22.5 / 22.5 | — |
| License | met | 22.5 / 22.5 | recognized license (MIT) |
| CONTRIBUTING guide | met | 18 / 18 | — |
| Code of conduct | met | 13.5 / 13.5 | — |
| Issue template | not met | 0 / 7.2 | — |
| PR template | met | 6.3 / 6.3 | — |

## Sustainability & Governance — 83/100 (Good)

Will the project survive its people — bus factor, responsiveness, who backs it, and package upkeep? Weight: 24% of the overall index.

### Maintainer resilience (bus factor) — 88/100 (Excellent)

| Criterion | Status | Points | Detail |
|---|---|---|---|
| Bus factor | partial | 45.9 / 54 | 5 contributor(s) cover half of all commits |
| Commit distribution | partial | 18.2 / 22.5 | top contributor authored 19% of commits |
| Contributor breadth | met | 13.5 / 13.5 | 100 contributors |
| OpenSSF Scorecard: Contributors | met | 10 / 10 | project has 55 contributing companies or organizations |

### Issue & PR responsiveness — 87/100 (Excellent)

| Criterion | Status | Points | Detail |
|---|---|---|---|
| Issue resolution | partial | 46.7 / 46.8 | 100% of issues closed |
| PR acceptance | partial | 32.9 / 38.2 | 8121/9428 decided PRs merged |
| OpenSSF Scorecard: Code-Review | partial | 7.5 / 15 | Found 13/26 approved changesets -- score normalized to 5 |

### Ownership & stewardship — 80/100 (Good)

| Criterion | Status | Points | Detail |
|---|---|---|---|
| Ownership backing | met | 30 / 30 | organization-owned |
| Verified domain | not met | 0 / 20 | — |
| Owner reach | met | 25 / 25 | 29,651 followers of vercel |
| Track record | met | 25 / 25 | 239 public repos, account ~10 yr old |

### Package maintenance — 75/100 (Good)

Excluded from scoring (no data or not applicable): Publish recency. Remaining weights renormalized.

| Criterion | Status | Points | Detail |
|---|---|---|---|
| Published & resolvable | met | 25 / 25 | 1 package(s) on npm |
| Publish recency | excluded | 0 / 35 | no data |
| Version history | partial | 4 / 20 | 0 published versions |
| Not deprecated | met | 20 / 20 | active, not deprecated or yanked |

## Engineering Quality — 88/100 (Excellent)

Are baseline engineering and documentation practices in place? Weight: 20% of the overall index.

### Engineering practices — 86/100 (Excellent)

| Criterion | Status | Points | Detail |
|---|---|---|---|
| CI workflows | met | 24 / 24 | 12 workflow(s) |
| Tests present | met | 24 / 24 | — |
| Linter config | met | 16 / 16 | .eslintrc.cjs, .eslintrc.js, .eslintrc.json, biome.json, eslint.config.js, eslint.config.mjs |
| Pre-commit hooks | not met | 0 / 9.6 | — |
| .editorconfig | met | 6.4 / 6.4 | — |
| OpenSSF Scorecard: CI-Tests | partial | 16 / 20 | 26 out of 30 merged PRs checked by a CI test -- score normalized to 8 |

### Documentation — 90/100 (Excellent)

| Criterion | Status | Points | Detail |
|---|---|---|---|
| README | met | 30 / 30 | — |
| Documentation directory | met | 25 / 25 | — |
| Documentation / homepage site | met | 15 / 15 | https://turborepo.dev |
| Repository description | met | 10 / 10 | — |
| Topics | met | 10 / 10 | 5 topics |
| Wiki | not met | 0 / 10 | — |

## Security — 57/100 (Moderate)

Are visible security and supply-chain practices strong, with no malicious dependency and no unresolved high-risk jurisdiction exposure? Weight: 16% of the overall index.

### Security posture — 57/100 (Moderate)

Excluded from scoring (no data or not applicable): Packaging, Signed-Releases. Remaining weights renormalized.

| Criterion | Status | Points | Detail |
|---|---|---|---|
| Binary-Artifacts | met | 7.5 / 7.5 | no binaries found in the repo |
| Branch-Protection | partial | 3 / 7.5 | branch protection is not maximal on development and all release branches |
| CI-Tests | partial | 2 / 2.5 | 26 out of 30 merged PRs checked by a CI test -- score normalized to 8 |
| CII-Best-Practices | not met | 0 / 2.5 | no effort to earn an OpenSSF best practices badge detected |
| Code-Review | partial | 3.8 / 7.5 | Found 13/26 approved changesets -- score normalized to 5 |
| Contributors | met | 2.5 / 2.5 | project has 55 contributing companies or organizations |
| Dangerous-Workflow | met | 10 / 10 | no dangerous workflow patterns detected |
| Dependency-Update-Tool | met | 7.5 / 7.5 | update tool detected |
| Fuzzing | not met | 0 / 5 | project is not fuzzed |
| License | met | 2.5 / 2.5 | license file detected |
| Maintained | met | 7.5 / 7.5 | 30 commit(s) and 0 issue activity found in the last 90 days -- score normalized to 10 |
| Packaging | excluded | 0 / 5 | packaging workflow not detected |
| Pinned-Dependencies | partial | 2 / 5 | dependency not pinned by hash detected -- score normalized to 4 |
| SAST | not met | 0 / 5 | SAST tool is not run on all commits -- score normalized to 0 |
| Security-Policy | partial | 4.5 / 5 | security policy file detected |
| Signed-Releases | excluded | 0 / 7.5 | no releases found |
| Token-Permissions | not met | 0 / 7.5 | detected GitHub workflow tokens with excessive permissions |
| Vulnerabilities | not met | 0 / 7.5 | 477 existing vulnerabilities detected |

### High-Risk Jurisdiction Exposure — 100/100 (Excellent)

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.

| Criterion | Status | Points | Detail |
|---|---|---|---|
| Policy exposure multiplier | met | 100 / 100 | no confirmed policy-scope location match |

## AI Readiness — 87/100 (Excellent)

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.

### Agent context & guidance — 75/100 (Good)

Excluded from scoring (no data or not applicable): Legible commit history. Remaining weights renormalized.

| Criterion | Status | Points | Detail |
|---|---|---|---|
| Agent instructions | met | 45 / 45 | AGENTS.md, apps/agents/AGENTS.md, apps/agents/CLAUDE.md, examples/with-nextjs-elysia/apps/web/AGENTS.md, examples/with-nextjs-elysia/apps/web/CLAUDE.md |
| Machine-readable docs (llms.txt) | not met | 0 / 15 | — |
| Legible commit history | excluded | 0 / 40 | no data |

### Verify loop (build / test / typecheck) — 93/100 (Excellent)

Excluded from scoring (no data or not applicable): Demonstrated agent practice, Automated maintenance. Remaining weights renormalized.

| Criterion | Status | Points | Detail |
|---|---|---|---|
| One-command bootstrap | met | 18 / 18 | cli/Makefile |
| Automated tests | met | 22 / 22 | — |
| Lint / format config | met | 11 / 11 | .eslintrc.cjs, .eslintrc.js, .eslintrc.json, biome.json, eslint.config.js, eslint.config.mjs |
| Static type checking | met | 11 / 11 | apps/agents/tsconfig.json, apps/docs/tsconfig.json, docs/link-checker/tsconfig.json, examples/basic/apps/docs/tsconfig.json, examples/basic/apps/web/tsconfig.json, examples/basic/packages/ui/tsconfig.json, examples/design-system/apps/docs/tsconfig.json, examples/design-system/packages/ui/tsconfig.json, examples/kitchen-sink/apps/admin/tsconfig.json, examples/kitchen-sink/apps/api/tsconfig.json, examples/kitchen-sink/apps/blog/tsconfig.json, examples/kitchen-sink/apps/storefront/tsconfig.json, examples/kitchen-sink/packages/logger/tsconfig.json, examples/kitchen-sink/packages/ui/tsconfig.json, examples/non-monorepo/tsconfig.json, examples/with-angular/apps/docs/tsconfig.json, examples/with-angular/apps/web/tsconfig.json, examples/with-angular/packages/ui/tsconfig.json, examples/with-berry/apps/docs/tsconfig.json, examples/with-berry/apps/web/tsconfig.json, examples/with-berry/packages/ui/tsconfig.json, examples/with-biome/apps/docs/tsconfig.json, examples/with-biome/apps/web/tsconfig.json, examples/with-biome/packages/ui/tsconfig.json, examples/with-changesets/apps/docs/tsconfig.json, examples/with-changesets/packages/acme-core/tsconfig.json, examples/with-changesets/packages/acme-utils/tsconfig.json, examples/with-docker/apps/api/tsconfig.json, examples/with-docker/apps/web/tsconfig.json, examples/with-docker/packages/logger/tsconfig.json, examples/with-docker/packages/ui/tsconfig.json, examples/with-gatsby/apps/docs/tsconfig.json, examples/with-gatsby/apps/web/tsconfig.json, examples/with-gatsby/packages/ui/tsconfig.json, examples/with-mcp-servers/apps/mcp-client/tsconfig.json, examples/with-mcp-servers/packages/mcp-calculator/tsconfig.json, examples/with-mcp-servers/packages/mcp-file-reader/tsconfig.json, examples/with-microfrontends/apps/docs/tsconfig.json, examples/with-microfrontends/apps/vite/tsconfig.json, examples/with-microfrontends/apps/web/tsconfig.json, examples/with-microfrontends/packages/ui/tsconfig.json, examples/with-nestjs/apps/api/tsconfig.json, examples/with-nestjs/apps/web/tsconfig.json, examples/with-nestjs/packages/api/tsconfig.json, examples/with-nestjs/packages/jest-config/tsconfig.json, examples/with-nestjs/packages/ui/tsconfig.json, examples/with-nestjs/tsconfig.json, examples/with-nextjs-elysia/apps/web/tsconfig.json, examples/with-nextjs-elysia/packages/contract/tsconfig.json, examples/with-nextjs-elysia/packages/ui/tsconfig.json, examples/with-nextjs-elysia/tsconfig.json, examples/with-npm/apps/docs/tsconfig.json, examples/with-npm/apps/web/tsconfig.json, examples/with-npm/packages/ui/tsconfig.json, examples/with-otel/apps/docs/tsconfig.json, examples/with-otel/apps/web/tsconfig.json, examples/with-otel/packages/ui/tsconfig.json, examples/with-prisma/apps/web/tsconfig.json, examples/with-prisma/packages/database/tsconfig.json, examples/with-react-native-web/apps/native/tsconfig.json, examples/with-react-native-web/apps/web/tsconfig.json, examples/with-react-native-web/packages/ui/tsconfig.json, examples/with-rollup/apps/web/tsconfig.json, examples/with-rollup/packages/ui/tsconfig.json, examples/with-rsbuild-module-federation/host/tsconfig.json, examples/with-rsbuild-module-federation/remote/tsconfig.json, examples/with-rsbuild-module-federation/shared-ui/tsconfig.json, examples/with-rsbuild/apps/web/tsconfig.json, examples/with-rsbuild/packages/ui/tsconfig.json, examples/with-solid/apps/docs/tsconfig.json, examples/with-solid/apps/web/tsconfig.json, examples/with-solid/packages/ui/tsconfig.json, examples/with-svelte/apps/docs/tsconfig.json, examples/with-svelte/apps/web/tsconfig.json, examples/with-svelte/packages/ui/tsconfig.json, examples/with-tailwind/apps/docs/tsconfig.json, examples/with-tailwind/apps/web/tsconfig.json, examples/with-tailwind/packages/ui/tsconfig.json, examples/with-typeorm/apps/docs/tsconfig.json, examples/with-typeorm/apps/web/tsconfig.json, examples/with-typeorm/packages/typeorm-service/tsconfig.json, examples/with-typeorm/packages/ui/tsconfig.json, examples/with-typeorm/tsconfig.json, examples/with-ultracite/apps/docs/tsconfig.json, examples/with-ultracite/apps/web/tsconfig.json, examples/with-ultracite/packages/ui/tsconfig.json, examples/with-vite-module-federation/host/tsconfig.json, examples/with-vite-module-federation/remote/tsconfig.json, examples/with-vite-module-federation/shared-ui/tsconfig.json, examples/with-vite-react/apps/web/tsconfig.json, examples/with-vite-react/packages/ui/tsconfig.json, examples/with-vite/apps/docs/tsconfig.json, examples/with-vite/apps/web/tsconfig.json, examples/with-vite/packages/ui/tsconfig.json, examples/with-vitest/apps/docs/tsconfig.json, examples/with-vitest/apps/web/tsconfig.json, examples/with-vitest/packages/math/tsconfig.json, examples/with-vitest/packages/ui/tsconfig.json, examples/with-vitest/packages/vitest-config/tsconfig.json, examples/with-vue-nuxt/apps/docs/server/tsconfig.json, examples/with-vue-nuxt/apps/docs/tsconfig.json, examples/with-vue-nuxt/apps/web/tsconfig.json, examples/with-vue-nuxt/packages/ui/tsconfig.json, examples/with-yarn/apps/docs/tsconfig.json, examples/with-yarn/apps/web/tsconfig.json, examples/with-yarn/packages/ui/tsconfig.json, lockfile-tests/tsconfig.json, packages/create-turbo/tsconfig.json, packages/eslint-config-turbo/tsconfig.json, packages/eslint-plugin-turbo/tsconfig.json, packages/turbo-codemod/tsconfig.json, packages/turbo-gen/tsconfig.json, packages/turbo-ignore/tsconfig.json, packages/turbo-releaser/tsconfig.json, packages/turbo-telemetry/tsconfig.json, packages/turbo-test-utils/tsconfig.json, packages/turbo-types/tsconfig.json, packages/turbo-utils/tsconfig.json, packages/turbo-vsc/tsconfig.json, packages/turbo-workspaces/tsconfig.json, tsconfig.json, turborepo-tests/integration/fixtures/boundaries/apps/my-app/tsconfig.json, turborepo-tests/integration/fixtures/turbo_trace/tsconfig.json, turborepo-tests/integration/fixtures/turbo_trace_monorepo/apps/my-app/tsconfig.json |
| Reproducible environment | met | 10 / 10 | devcontainer, Dockerfile, lockfile |
| Demonstrated agent practice | excluded | 0 / 10 | no data |
| Automated maintenance | excluded | 0 / 8 | no data |
| OpenSSF Scorecard: Pinned-Dependencies | partial | 4 / 10 | dependency not pinned by hash detected -- score normalized to 4 |

### Code legibility for models — 99/100 (Excellent)

| Criterion | Status | Points | Detail |
|---|---|---|---|
| Type-checkable code | met | 45 / 45 | Rust (statically typed) |
| Manageable file sizes | partial | 54.1 / 55 | 27/1613 source files over 60KB |

### Machine-readable interfaces — 80/100 (Good)

| Criterion | Status | Points | Detail |
|---|---|---|---|
| API schema (OpenAPI/GraphQL/proto) | met | 40 / 40 | crates/turborepo-daemon/src/proto/turbod.proto, crates/turborepo-query-api/src/schema_query.graphql |
| MCP server | not met | 0 / 20 | — |
| Runnable examples | met | 40 / 40 | examples |

## Collection warnings

- GitHub dependency-graph SBOM request failed: GitHub API error 500 for /repos/vercel/turborepo/dependency-graph/sbom

## What this report is

inspect.software measures public repositories against a single published, versioned methodology and reports the result as a 1–100 health index. Findings are signals derived from what is visible in public repository data — they are not a security audit, a warranty, or an endorsement, and no result depends on payment.

- Methodology, formulas and weights: https://inspect.software/methodology.md
- What a result does and does not claim: https://inspect.software/wiki/signals-not-warranties.md
- Rating bands: https://inspect.software/wiki/scoring-bands.md
- Corrections: https://inspect.software/contact.md
- Index of all documents: https://inspect.software/llms.txt