libeigen/eigen

At a glance

Rank

#266 of 401

#10 of 21 C++ repos

Checks passed

6 of 17

Full list below

Best set up for

Claude Code

Score 68.3

Needs most work for

Gemini CLI

Biggest fix: GEMINI.md (+10.9 pts)

What to fix first

Showing fixes for Claude Code

1. 1
   Reproducible dev env

   Add a Makefile or devcontainer or Dockerfile so the agent can set up the project in one command.
   +11.8 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 →

Does libeigen/eigen 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) · 18,427 characters

Agent-specific files

None: no GEMINI.md, .cursor/rules, .openhands/setup.sh, .aider.conf.yml or .agents/skills

Repos that have one

10 of 21 C++ repos · 221 of 401 repos on the leaderboard · See examples →

How libeigen/eigen compares

vs leaderboard average

4.5 pts below

Average 66.8

vs C++ average

3.0 pts above

Average 59.3

Stars among C++ repos

#19 of 21

One fix for the most agents: Reproducible dev env would raise the score for all 9 agents, by up to 11.9 points.

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