45,030 repositories keep their own agent configuration in the open: a CLAUDE.md, a rules file, instructions for Copilot, a skill the project runs on itself. These are not mods to install. They are worth reading for what they reveal — what a maintainer thinks an agent gets wrong.
Building agents8,564Claude Code6,906Git and workflow3,633Data and AI3,578Backend and APIs3,558Languages3,494Planning3,322Code review2,906Testing2,695DevOps and cloud2,496Writing and docs2,489Memory and context2,375Research2,320Frontend2,312Security2,181Project management1,980
All Claude Code32,552 Codex24,920 OpenCode23,840 GitHub Copilot3,723 Gemini CLI2,039 Cursor1,771 Windsurf202 Kiro117
| Project | Stars | Configures | Files | Always loaded |
|---|---|---|---|---|
| Cadasto/openehr-assistant-plugin cadasto.github.io openEHR assistant AI plugin suite with Skills, commands, and MCP server configuration for | 6 | Claude Code, Codex, GitHub Copilot, OpenCode | 3 | 6,561 tok |
| danpeg/visual-research Analyze any brand's visual identity — a Claude Code skill by Curious Endeavor | 6 | Claude Code | 1 | 844 tok |
| ludeo-labs/cosmos-os ludeo-labs.github.io A living map of your architecture — services as stars, flows as playable comets, honesty a | 6 | Claude Code | 1 | 441 tok |
| tinhtran24/maestro Maestro is an open-source, multi-agent AI development framework written in Go. It orchestr | 6 | Claude Code, Codex, OpenCode | 2 | 2,591 tok |
| bluedusk/html-magazine samples-six-omega.vercel.app Claude Code plugin: Transform content into stunning paginated HTML magazines with editoria | 6 | Claude Code | 1 | 836 tok |
| urmzd/dotfiles Cross-platform dotfiles managed by Chezmoi with Homebrew/apt and per-language version mana | 6 | Codex, OpenCode | 1 | 2,031 tok |
| KSEGIT/Version-Sentinel ksegit.github.io Claude Code plugin that hard-blocks dependency additions, bumps, and downgrades until a fr | 6 | Claude Code, Codex, GitHub Copilot, Gemini CLI, OpenCode | 4 | 3,724 tok |
| mindbox-cloud/agent-skills Claude Code plugins by mindbox.cloud | 6 | Claude Code | 1 | 1,143 tok |
| eshwarvijay/secondmate 🐾 Your agent writes the code, a different model tries to break it, and only what survives | 6 | Claude Code | 1 | 354 tok |
| vsladkov/claudex-stereo claudex-stereo.com Claude Code, in stereo: Claude plans and reviews, Codex implements. | 6 | Claude Code, Codex, OpenCode | 2 | 5,899 tok |
| bayeslabs-rsi/Svatah bayeslabs.ai Autonomous autoresearch framework for Codex and Claude Code, combining experiment DAGs, sc | 6 | Claude Code | 1 | 2,351 tok |
| imMamdouhaboammar/get-fable get-fable.vercel.app A portable coding lifecycle for AI agents with deterministic routing across 42 skills, dur | 6 | Codex, OpenCode | 1 | 207 tok |
| jeffreytse/grimoire-core grimoire.jeffreytse.net 🧙 Official best-practice skill library for grimoire — 1000+ skills across engineering, te | 6 | Claude Code, Codex, Gemini CLI, OpenCode | 3 | 2,494 tok |
| dbsanfte/topdesk-mcp An MCP server for the TopDesk ticketing system | 6 | GitHub Copilot | 1 | 113 tok |
| Bridge-UI/core Bridge UI is a component library for React and Vue with a shared foundation. | 6 | Codex, OpenCode | 1 | 420 tok |
| a8cteam51/claude-code-plugins Claude Code plugins by Automattic's Special Projects team for WordPress development, secur | 6 | Claude Code | 1 | 889 tok |
| sandraschi/windows-operations-mcp Windows system administration via MCP — services, registry, accounts, event logs, networki | 6 | Claude Code, Codex, Cursor, OpenCode | 3 | 864 tok |
| falegria86/zoho-mcp | 6 | Claude Code | 2 | 7,149 tok |
| PDgit12/knitbrain npmjs.com The local-first brain for coding agents: project memory + workflow intelligence + lossless | 6 | Claude Code, Gemini CLI | 8 | 892 tok |
| MauroDruwel/Smartschool-MCP Smartschool MCP: A Model Context Protocol (MCP) server that enables seamless communication | 6 | Claude Code, GitHub Copilot | 2 | 2,607 tok |
| ChinaCarlos/figma-agent-kit chinacarlos.github.io Open-source Figma plugin + MCP bridge for AI agents (Cursor, Claude Code, Codex). Local We | 6 | Cursor | 1 | — |
| Eysn0130/DeepLaw DeepLaw 2.0: A local-first, single-user Agent Knowledge OS that combines autonomous long-t | 6 | Codex, OpenCode | 1 | 3,701 tok |
| AlexZai007/figma-unlimited-mcp MCP server that lets an AI agent read and edit FigJam boards through a local Figma plugin | 6 | Claude Code, Codex, OpenCode | 2 | 1,652 tok |
| sky32/mcport A local-first MCP Workspace tool that lets AI securely connect to, understand, and operate | 6 | Codex, OpenCode | 1 | 1,831 tok |
| RightNow-AI/autoevolve Agent-native evolutionary optimization. Say the goal in english, evolve code toward a meas | 6 | Claude Code, Codex, OpenCode | 2 | 6,250 tok |
| HalidSaglam/saglitzdesign-mcp saglitz.com Expert design & marketing knowledge for AI agents — an MCP server for web, iOS, Android & | 6 | Claude Code | 1 | — |
| AmanKtyr/Tailor npmjs.com Stop vibe-coding bloat & token waste. Unified AI Coding-Agent & Spec-Driven Development (S | 6 | Claude Code, Codex, GitHub Copilot, Cursor, Gemini CLI, OpenCode, Windsurf | 23 | 3,693 tok |
| UnboundCompute/lachesis unboundcompute.com Compiler-precise code property graph for C, Python, and TypeScript, navigable over MCP — d | 6 | Claude Code | 1 | — |
| Michael-Obele/sepia sepia.svelte-apps.me A personal, self-hosted remote knowledge-graph memory server for AI coding agents — a drop | 6 | Codex, OpenCode | 1 | 3,566 tok |
| atpaawej/openboard openboard.aawej.in Local-first personal whiteboard workspace for developers and external AI agents (tldraw + | 6 | Claude Code, Codex | 1 | — |
| badchars/fingerprint-mcp npmjs.com Universal digital fingerprinting MCP server — 103 techniques in 13 tools for TCP/TLS/SSH/H | 6 | Claude Code | 1 | 348 tok |
| S2mon123/FEP-Agent-Hub Evidence-first FreeCAD, Elmer FEM, and ParaView MCP automation stack with verified CAE wor | 6 | Codex, OpenCode | 1 | 221 tok |
| cdeust/ai-architect-mcp-spec ai-architect.tools Cross-platform PRD verifier for Codex, Gemini CLI, Claude Code, CI, and other MCP hosts. D | 6 | Claude Code, Codex, OpenCode | 8 | 456 tok |
| chriswu727/argus yichenwu.dev MCP tools that help coding agents test web apps systematically, find bugs, and deliver evi | 6 | Codex, OpenCode | 1 | 4,175 tok |
| davidmosiah/oura-mcp wellness.delx.ai Local-first MCP server for Oura Ring readiness, sleep, HRV — Claude/Cursor/ChatGPT ready | 6 | Codex, OpenCode | 1 | 145 tok |
| mysleekdesigns/crawlforge-mcp crawlforge.dev 31 MCP tools that give Claude, Cursor and any MCP client the live web — scrape, crawl, sea | 6 | Claude Code | 19 | 1,970 tok |
| nifrajs/nifra nifra.dev Full-stack TypeScript framework built for AI agents: typed server and client with no codeg | 6 | Claude Code, Codex, OpenCode | 2 | 3,113 tok |
| psyb0t/docker-audiolla ciprian.51k.eu Self-hosted audio API in one Docker container. Stem separation, mastering, MIR (BPM/key/ch | 6 | Claude Code, Codex, OpenCode | 3 | 4,789 tok |
| mefos-lab/sift MCP server and skill set for cross-referencing public financial and corporate records — sa | 6 | Claude Code | 3 | 2,820 tok |
| jahala/umbel jahala.github.io Remote-control interactive agent CLIs (Claude Code, Codex, Gemini) over tmux. One binary, | 6 | Claude Code, Codex, OpenCode | 11 | 6,983 tok |
| tonydzi/charm-os CharmOS / C(H+A)RM — open-source framework to manage humans AND AI agents as first-class r | 6 | Codex, OpenCode | 1 | 895 tok |
| arjunprabhulal/devops-skills Agent Skills for DevOps: 88 SKILL.md field guides spanning CI/CD to FinOps. Works in Claud | 6 | Claude Code, Codex, OpenCode | 2 | 2,279 tok |
| moabualruz/fulcrum Local-first Agent OS — project management, agent orchestration, docs, memory, and develope | 6 | Claude Code, Codex, Gemini CLI, OpenCode | 3 | 5,706 tok |
| IsaacEryn/humanizer-ko A Claude Code agent skill that removes signs of AI-generated writing from Korean text. Det | 6 | Claude Code, Codex, OpenCode | 2 | 1,001 tok |
| calven-ai/demoverse youtu.be Demoverse is an open-source synthetic B2B sales data generator that grows a fictional comp | 6 | Claude Code, Codex, OpenCode | 6 | 3,517 tok |
| houseunlimited/hinge-auto Automate Hinge interactions using a stitched-vision and LLM-judge loop for hands-free prof | 6 | Claude Code, Codex, OpenCode | 2 | 3,570 tok |
| milisp/keke-agent milisp.dev Lightweight coding agent harness built in Rust for zero vendor lock-in. BYOK, Support Code | 6 | Claude Code, Codex, OpenCode | 2 | 1,300 tok |
| iot-forge/m5stack-skills Claude Code skills for M5Stack firmware development — board pinouts, peripherals, and ESP3 | 6 | Claude Code | 1 | 521 tok |
| foundry-works/foundry-research Claude Code agentic researcher designed for academic research, supporting 20+ academic and | 6 | Claude Code | 1 | 396 tok |
| tomevault-io/companyos tomevault.io A complete, opinionated, fork-friendly operating system for an AI-instructed company. Thre | 6 | Claude Code, Codex, OpenCode | 2 | 1,049 tok |