google-deepmind/mujoco

GitHub
https://github.com/google-deepmind/mujoco

Multi-Joint dynamics with Contact. A general purpose physics simulator.

  • mujoco
  • physics
  • robotics
Stars:
16.1k
Language:
C++
Default branch:
main
Last scored:
Overall

At a glance

Rank
#275 of 401
#11 of 21 C++ repos
Checks passed
8 of 17
Full list below
Best set up for
Aider
Score 64.8
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
    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).
    +13.2 pts
  2. 2
    Reproducible dev env
    Add a Makefile or devcontainer or Dockerfile so the agent can set up the project in one command.
    +11.8 pts
  3. 3
    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

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 →

Aider
#204 of 401
64.8
  • ✗.aider.conf.yml
  • ✓Linter / formatter config
  • ✓Test suite
Claude Code
#290 of 401
63.8
  • ✗AGENTS.md / CLAUDE.md
  • ✓Test suite
  • ✗Reproducible dev env
Devin
#270 of 401
63.1
  • ✗Reproducible dev env
  • ✓Dependency manifest
  • ✓Test suite
Codex
#298 of 401
62.7
  • ✗AGENTS.md / CLAUDE.md
  • ✓README
  • ✓Test suite
OpenHands
#247 of 401
62.5
  • ✓CI configuration
  • ✓Dependency manifest
  • ✗Reproducible dev env
Pi
#272 of 401
62.0
  • ✗AGENTS.md / CLAUDE.md
  • ✓Test suite
  • ✓Linter / formatter config
Kimi Code CLI
#287 of 401
61.3
  • ✗AGENTS.md / CLAUDE.md
  • ✓Test suite
  • ✓Dependency manifest
Gemini CLI
#294 of 401
57.1
  • ✗GEMINI.md
  • ✓README
  • ✓Test suite
Cursor
#305 of 401
55.2
  • ✗Cursor rules (.cursor/rules)
  • ✓README
  • ✗Type configuration

Does google-deepmind/mujoco 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
None at the root (no AGENTS.md, CLAUDE.md, AGENT.md, .claude/CLAUDE.md or .claude/AGENTS.md)
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 →
Get a starter AGENTS.md

From the files the checks found. Fill in the commands, then commit it at the root.

# AGENTS.md

Guidance for AI coding agents working in google-deepmind/mujoco. Multi-Joint dynamics with Contact. Written mainly in C++.

## Where things are

- Dependencies are declared in `CMakeLists.txt`.
- Tests live in `test`.
- Lint and format rules are configured in `.clang-format`.
- CI is defined in `.github/workflows`; read it for the exact install, lint and test steps.
- Commit hooks are set up in `.pre-commit-config.yaml`; don't skip them.
- Follow the conventions in `CONTRIBUTING.md`.

## Commands

<!-- Fill in the exact commands CI runs. -->
- Install: TODO
- Test: TODO
- Lint: TODO

All 17 checks · 8 passed

No .agents/skills/<name>/SKILL.md
No agent instructions file found
.aider.conf.yml· 0% pass
No .aider.conf.yml at repo root
CI configuration· 100% pass
5 GitHub Actions workflows
CONTRIBUTING guide· 100% pass
Guide present
No .cursor/rules/*.mdc or .cursorrules
Manifest present
No Makefile / devcontainer / Docker / equivalent found
GEMINI.md· 0% pass
No GEMINI.md at repo root
License file· 100% pass
License present
Config detected
No .openhands/setup.sh
Hook framework configured
README· 100% pass
README detailed (9,723 characters)
Manageable size· 50% pass
2344 files — large
Test suite· 100% pass
Found /test
No type config found

How google-deepmind/mujoco compares

vs leaderboard average
5.4 pts below
Average 66.8
vs C++ average
2.1 pts above
Average 59.3
Stars among C++ repos
#15 of 21

Missing here, and how many repos have it

  • Type configuration · passed by 68% of leaderboard repos, 24% of C++ repos
  • Reproducible dev env · passed by 22% of leaderboard repos, 10% of C++ repos
  • Skills (.agents/skills) · passed by 17% of leaderboard repos, 5% of C++ repos

Passes checks most repos miss

  • Pre-commit / git hooks · only 29% of repos pass it

One fix for the most agents: AGENTS.md / CLAUDE.md would raise the score for all 9 agents, by up to 13.3 points.

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All C++ repos →

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