apollographql/apollo-client
Grade a repo

95

/ 100

GradeA

A top-tier open source project. Docs, tests, and CI are all in excellent shape.

Top 6% of 5,156 graded repos

The industry-leading GraphQL client for TypeScript, JavaScript, React, Vue, Angular, and more. Apollo Client delivers powerful caching, intuitive APIs, and comprehensive developer tools to accelerate your app development.

Documentation94
Engineering94
Health100
TypeScript19,810MIT1mo ago

Outstanding. A score of 95/100 puts this repo in a very small tier of truly well-engineered projects.

Top fixes

Highest-impact changes first, ranked by point weight

9 to address
  1. 1
    CI/CD14pt

    Add a lint step to catch style issues automatically.

  2. 2
    CI/CD14pt

    Add `tsc --noEmit`, `mypy`, or `cargo check` to catch type errors before they merge.

  3. 3
    CI/CD14pt

    Upload coverage to Codecov, Coveralls, or report it with `--coverage` flags.

  4. 4
    Install and run instructions9pt

    Add a .env.example listing all required environment variables so contributors know what to set up.

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Scorecard

Every check, grouped by category and sorted worst-first

Documentation

94

Contributing guide5pt80

Contributing guide is detailed and thorough.

Install and run instructions9pt90

README documents how to install the project.

README12pt100

README is present.

License6pt100

Licensed under MIT.

Engineering

94

Reproducibility6pt82

Lockfile present (package-lock.json). Installs are reproducible.

CI/CD14pt85

CI is configured (.github/workflows/cleanup-checks.yml).

Tests18pt100

Test files detected (config/jest.config.ts).

Linting and formatting5pt100

Linter or formatter configured (.prettierrc).

Issue and PR templates6pt100

Issue or PR templates present.

Project health

100

Dependency manifest6pt100

Dependency manifest found (package.json).

Repository metadata5pt100

Repository has a description.

Activity5pt100

Actively maintained (pushed within the last month).

Housekeeping3pt100

.gitignore present.

Repository health signals

Activity, community, and responsiveness at scan time

Activity

  • 21 / 88
    Commits (30d / 90d)
  • 2,697
    Forks
  • 259
    Releaseslatest 4y ago

Community

  • 87% - Good
    Community health
  • 5 bus factor
    authors own >50% of commits
  • 19,810
    Watchers

Responsiveness

  • 3h
    Median issue response
  • 1h
    Median PR merge time
  • 421
    Open issues
Repository files45 root entries
  • .agents
  • .api-reports
  • .changeset
  • .circleci
  • .claude
  • .github
    Good: CI is configured (.github/workflows/cleanup-checks.yml).
    Good: Dependabot configured for npm.
    Good: Issue or PR templates present.
  • .vscode
  • codegen
  • config
    Good: Test files detected (config/jest.config.ts).
  • docs
  • eslint-local-rules
  • integration-tests
  • patches
  • scripts
  • src
  • .attw.json
  • .git-blame-ignore-revs
  • .gitattributes
  • .gitignore
    Good: .gitignore present.
  • .npmrc
  • .prettierignore
  • .prettierrc
    Good: Linter or formatter configured (.prettierrc).
  • .semgrepignore
  • .size-limit.cjs
  • .size-limits.json
  • api-extractor.json
  • CHANGELOG.md
  • CLAUDE.md
  • COLLABORATORS.md
  • CONTRIBUTING.md
    Good: Contributing guide is detailed and thorough.
    Issue: Contributing guide lacks a setup section (−12 pts).Fix: Show new contributors how to get a local dev environment running.
    Issue: Contributing guide lacks a code style section (−8 pts).Fix: Describe your linting/formatting rules and how to run them.
    Good: Contributing guide explains how to run tests.
    Good: Contributing guide describes the PR/review workflow.
    Good: Contributing guide includes code examples.
  • eslint.config.mjs
  • jsconfig.json
  • knip.config.js
  • LICENSE
    Good: Licensed under MIT.
  • package-lock.json
    Good: Lockfile present (package-lock.json). Installs are reproducible.
  • package.json
    Good: Dependency manifest found (package.json).
  • README.md
    Good: README is present.
    Good: README is well structured with multiple sections.
    Good: README includes screenshots or visuals. Great for first impressions.
    Good: README has code examples.
    Good: README links to a live demo or deployed app.
    Good: README includes status badges.
    Good: README documents how to install the project.
    Good: README documents how to run the project.
  • renovate.json
  • ROADMAP.md
  • tests.codegen.ts
  • tsconfig.build.json
  • tsconfig.json
  • tsconfig.tests.json
  • tsdoc.json
  • VERSIONING_POLICY.md
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