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jestjs/jestGitHub

https://github.com/jestjs/jest
Stars:
45.6k
Language:
TypeScript
Default branch:
main
Last scored:
6h ago
Overall

At a glance

Rank
#148 of 371
Top 40% · #40 of 81 TypeScript repos
Checks passed
7 of 16
Full list below
Best set up for
GPT-5 Codex
Score 78.4
Needs most work for
Aider
Biggest fix: .aider.conf.yml (+14.1 pts)

What it has

  • CI configuration
  • CONTRIBUTING guide
  • Dependency manifest
  • License file
  • Linter / formatter config

What it's missing

  • .aider.conf.yml
  • Cursor rules (.cursor/rules)
  • GEMINI.md
  • .openhands/setup.sh
  • Pre-commit / git hooks

What to fix first

  1. 1
    AGENTS.md / CLAUDE.md
    Add an AGENTS.md covering project goals, layout, setup commands, and conventions. Aim for 800+ chars of real guidance (not boilerplate).
    +6.6 pts
  2. 2
    Pre-commit / git hooks
    Set up pre-commit (.pre-commit-config.yaml), husky, or lefthook to run format+lint on every commit.
    +5.3 pts
  3. 3
    Reproducible dev env
    Add a Makefile or devcontainer or Dockerfile so the agent can set up the project in one command.
    +4.7 pts

Score for each AI agent

Each agent looks for different things in a repo, based on its own docs. Under each score are the three checks it cares about most.

GPT-5 Codex
78.4
Devin
77.0
Kimi CLI
76.8
Pi
76.6
Claude Code
76.2
Cursor
72.2
Gemini CLI
71.0
OpenHands
70.1
Aider
69.7

Similar repos

Scored for Claude Code. Same language and host as this repo, scoring near it.

All TypeScript repos →

All checks

AGENTS.md / CLAUDE.md· 50% pass
File exists (45 chars) — thin
CLAUDE.md
.aider.conf.yml· 0% pass
No .aider.conf.yml at repo root
CI configuration· 100% pass
11 GitHub Actions workflow(s)
.github/workflows
CONTRIBUTING guide· 100% pass
Guide present
CONTRIBUTING.md
Cursor rules (.cursor/rules)· 0% pass
No .cursor/rules/*.mdc or .cursorrules
Dependency manifest· 100% pass
Manifest present
package.json
Reproducible dev env· 60% pass
package.json has 38 scripts
package.json
GEMINI.md· 0% pass
No GEMINI.md at repo root
License file· 100% pass
License present
LICENSE
Linter / formatter config· 100% pass
Config detected
eslint.config.mjs
.openhands/setup.sh· 0% pass
No .openhands/setup.sh
Pre-commit / git hooks· 0% pass
No pre-commit / husky / lefthook found
README· 100% pass
README detailed (12771 chars)
README.md
Manageable size· 50% pass
3429 files — large
Test suite· 70% pass
Test files detected (benchmarks/test-file-overhead/0.test.js)
benchmarks/test-file-overhead/0.test.js
Type configuration· 100% pass
Type config present
tsconfig.json

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Agent friendly score for github/jestjs/jest
[![Agent Friendly](https://agentfriendlycode.com/api/badge/github/jestjs/jest.svg)](https://agentfriendlycode.com/repo/github/jestjs/jest)

Check the score on every pull request

Add this file to your repo. On each pull request, it posts one comment showing how the score changed and why. It runs in your own CI, with no outside server involved.

# .github/workflows/agent-friendly.yml
name: Agent-friendly score diff

on:
  pull_request:
    branches: [main]

permissions:
  contents: read
  pull-requests: write

jobs:
  score-diff:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v7
        with:
          fetch-depth: 0
      - uses: hsnice16/agent-friendly-action@v0
        with:
          agents-badge-token: ${{ secrets.AGENTS_BADGE_TOKEN }}

Add AGENTS_BADGE_TOKENto the repo's secrets to turn the comment on. Without it, the action does nothing. Where do I add it?