elixir-lang/elixir

GitHub
https://github.com/elixir-lang/elixir

Simple from zero to scale

Stars:
26.7k
Language:
Elixir
Default branch:
main
Last scored:
Overall

At a glance

Rank
#277 of 401
#4 of 7 Elixir repos
Checks passed
6 of 17
Full list below
Best set up for
Claude Code
Score 68.8
Needs most work for
Cursor
Biggest fix: Cursor rules (.cursor/rules) (+11.5 pts)

What it has

What it's missing

What to fix first

Pick an AI agent

Showing fixes for Claude Code

  1. 1
    Dependency manifest
    Commit a proper manifest (package.json, pyproject.toml, Cargo.toml, go.mod, etc.) plus a lockfile.
    +9.2 pts
  2. 2
    Type configuration
    Add a type config (tsconfig.json for JS/TS, mypy.ini or pyrightconfig.json for Python). Rust/Go/JVM/Scala/Swift/C#/OCaml/Haskell/Zig are typed by default.
    +7.9 pts
  3. 3
    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

Score for each AI agent

Each agent weighs the checks by its own docs. Under each score are its top three. How each agent is scored →

Claude Code
#247 of 401
68.8
  • ✓AGENTS.md / CLAUDE.md
  • ~Test suite
  • ~Reproducible dev env
Codex
#270 of 401
65.2
  • ✓AGENTS.md / CLAUDE.md
  • ✓README
  • ~Test suite
Pi
#250 of 401
64.7
  • ✓AGENTS.md / CLAUDE.md
  • ~Test suite
  • ✓Linter / formatter config
Kimi Code CLI
#257 of 401
64.5
  • ✓AGENTS.md / CLAUDE.md
  • ~Test suite
  • ✗Dependency manifest
Devin
#291 of 401
60.8
  • ~Reproducible dev env
  • ✗Dependency manifest
  • ~Test suite
OpenHands
#295 of 401
57.9
  • ✓CI configuration
  • ✗Dependency manifest
  • ~Reproducible dev env
Aider
#281 of 401
57.3
  • ✗.aider.conf.yml
  • ✓Linter / formatter config
  • ~Test suite
Gemini CLI
#306 of 401
55.7
  • ✗GEMINI.md
  • ✓README
  • ~Test suite
Cursor
#307 of 401
54.7
  • ✗Cursor rules (.cursor/rules)
  • ✓README
  • ✗Type configuration

Does elixir-lang/elixir have agent instructions?

An AGENTS.md (or CLAUDE.md) at the root tells AI coding agents how to build, test and work in the repo. A few agents also read a file of their own.

AGENTS.md / CLAUDE.md
AGENTS.md (new tab) · 9,853 characters
Agent-specific files
None: no GEMINI.md, .cursor/rules, .openhands/setup.sh, .aider.conf.yml or .agents/skills
Repos that have one
1 of 7 Elixir repos · 221 of 401 repos on the leaderboard · See examples →

All 17 checks · 6 passed

No .agents/skills/<name>/SKILL.md
Substantive (9,853 characters)
.aider.conf.yml· 0% pass
No .aider.conf.yml at repo root
CI configuration· 100% pass
7 GitHub Actions workflows
CONTRIBUTING guide· 100% pass
Guide present
No .cursor/rules/*.mdc or .cursorrules
No dependency manifest found
Has Makefile
GEMINI.md· 0% pass
No GEMINI.md at repo root
License file· 100% pass
License present
Config detected
No .openhands/setup.sh
No pre-commit / husky / lefthook found
README· 100% pass
README detailed (5,532 characters)
Manageable size· 80% pass
740 files
Test suite· 70% pass
Test files detected (lib/eex/test/eex_test.exs)
No type config found

How elixir-lang/elixir compares

vs leaderboard average
5.7 pts below
Average 66.8
vs Elixir average
0.4 pts below
Average 61.5
Stars among Elixir repos
#2 of 7

Missing here, and how many repos have it

  • Dependency manifest · passed by 92% of leaderboard repos, 86% of Elixir repos
  • Type configuration · passed by 68% of leaderboard repos, 0% of Elixir repos
  • Pre-commit / git hooks · passed by 29% of leaderboard repos, 14% of Elixir repos

One fix for the most agents: Type configuration would raise the score for all 9 agents, by up to 11.5 points.

Similar repos

Same language and host as this repo, closest in overall score.

All Elixir repos →

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Agent friendly score for github/elixir-lang/elixir
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Check the score on every pull request

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