obsproject/obs-studio

GitHub
https://github.com/obsproject/obs-studio

OBS Studio - Free and open source software for live streaming and screen recording

  • c
  • c-plus-plus
  • directshow
  • facebook-live
  • ffmpeg
  • game-capture
  • live-streaming
  • screen-capture
  • twitch-tv
  • video-recording
  • youtube-live
Stars:
78.9k
Language:
C
Default branch:
master
Last scored:
Overall

At a glance

Rank
#333 of 401
#6 of 10 C repos
Checks passed
7 of 17
Full list below
Best set up for
Aider
Score 58.9
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
#264 of 401
58.9
  • ✗.aider.conf.yml
  • ✓Linter / formatter config
  • ✓Test suite
Claude Code
#338 of 401
56.6
  • ✗AGENTS.md / CLAUDE.md
  • ✓Test suite
  • ✗Reproducible dev env
Codex
#344 of 401
55.7
  • ✗AGENTS.md / CLAUDE.md
  • ✓README
  • ✓Test suite
Devin
#342 of 401
55.0
  • ✗Reproducible dev env
  • ✓Dependency manifest
  • ✓Test suite
Pi
#333 of 401
54.7
  • ✗AGENTS.md / CLAUDE.md
  • ✓Test suite
  • ✓Linter / formatter config
Kimi Code CLI
#338 of 401
54.4
  • ✗AGENTS.md / CLAUDE.md
  • ✓Test suite
  • ✓Dependency manifest
OpenHands
#337 of 401
54.4
  • ✓CI configuration
  • ✓Dependency manifest
  • ✗Reproducible dev env
Gemini CLI
#338 of 401
51.1
  • ✗GEMINI.md
  • ✓README
  • ✓Test suite
Cursor
#339 of 401
50.3
  • ✗Cursor rules (.cursor/rules)
  • ✓README
  • ✗Type configuration

Does obsproject/obs-studio 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
2 of 10 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 obsproject/obs-studio. OBS Studio - Free and open source software for live streaming and screen recording. Written mainly in C.

## Where things are

- Dependencies are declared in `CMakeLists.txt`.
- Tests live in `test`.
- Lint and format rules are configured in `.swift-format`.
- CI is defined in `.github/workflows`; read it for the exact install, lint and test steps.
- Follow the conventions in `CONTRIBUTING.md`.

## Commands

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

All 17 checks · 7 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
9 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
No pre-commit / husky / lefthook found
README· 100% pass
README detailed (3,138 characters)
Manageable size· 20% pass
5098 files — very large
Test suite· 100% pass
Found /test
No type config found

How obsproject/obs-studio compares

vs leaderboard average
12.2 pts below
Average 66.8
vs C average
1.3 pts below
Average 55.9
Stars among C repos
#1 of 10

Missing here, and how many repos have it

  • Type configuration · passed by 68% of leaderboard repos, 20% of C repos
  • Pre-commit / git hooks · passed by 29% of leaderboard repos, 10% of C repos
  • Reproducible dev env · passed by 22% of leaderboard repos, 10% of C repos

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

Similar repos

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All C repos →

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Agent friendly score for github/obsproject/obs-studio
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