23,222 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 agents7,588Claude Code6,636Data and AI3,676Backend and APIs3,496Languages3,402Planning3,219Git and workflow3,187Code review2,745Testing2,374Memory and context2,364DevOps and cloud2,310Writing and docs2,309Research2,295Frontend2,261Security2,021Productivity1,715
All Claude Code31,998 Codex23,222 OpenCode22,170 GitHub Copilot3,550 Gemini CLI1,918 Cursor1,738 Windsurf137 Kiro80
| Project | Stars | Configures | Files | Always loaded |
|---|---|---|---|---|
| xyzzylabs/wasm-mcp mcp.xyzzylabs.ai MCP server for the WebAssembly specification. SHA-pinned instructions, types, sections, fu | 2 | Claude Code, Codex, OpenCode | 2 | 1,002 tok |
| v1b3x0r/living-memory-engine viibe.to Model Context Protocol (MCP) memory server giving AI agents a persistent, shared world acr | 2 | Claude Code, Codex, OpenCode | 3 | 4,740 tok |
| sologovision/flato-design-mcp flato.ai The native canvas runtime for AI design, connected through MCP. | 2 | Claude Code, Codex, OpenCode | 2 | 378 tok |
| mrslbt/tabedata-mcp Japanese food nutrition for AI assistants. Bilingual JP/EN lookups across konbini, restaur | 2 | Codex, OpenCode | 1 | 3,449 tok |
| prakharagarwal-dev/linkedin-mcp-server A LinkedIn MCP server to find jobs, search people, research companies, manage your network | 2 | Codex, OpenCode | 1 | 687 tok |
| mrorigo/bash-command-mcp Sophisticated bash command MCP server | 2 | Codex, OpenCode | 1 | 181 tok |
| prPMDev/jd-intel prpmdev.github.io Stop pasting JDs into AI Assistants. Let your AI fetch them directly. | 2 | Claude Code, Codex, OpenCode | 2 | 8,343 tok |
| stonematt/mcp-obsidian-cli Save chat notes from Claude Desktop to your vault — MCP on Obsidian CLI. Keep what matters | 2 | Claude Code, Codex, OpenCode | 4 | 1,104 tok |
| Sequenzy/mcp sequenzy.com MCP server for AI agents to operate Sequenzy lifecycle, campaign, and transactional email | 2 | Codex, OpenCode | 1 | 532 tok |
| rafaelcg/stripekit stripe.rafael.ltd The create-next-app of Stripe — declarative catalog reconciliation + correct-by-constructi | 2 | Claude Code, Codex, OpenCode | 2 | 1,066 tok |
| wei-ai-lab/clinical-trial-design npmjs.com Claude Code plugin & MCP server for Phase 2/3 clinical trial design. 9 tools: single-prima | 2 | Codex, OpenCode | 1 | 4,731 tok |
| sandraschi/email-mcp Multi-service email platform for MCP-compatible clients | 2 | Claude Code, Codex, GitHub Copilot, Cursor, OpenCode, Windsurf | 6 | 1,906 tok |
| kaiser-data/lineup Lineup — a ChatGPT App (Alpic Skybridge MCP) that turns one sentence into an event pack: e | 2 | Codex, OpenCode | 1 | 32 tok |
| teunlao/vidin Turn a screen recording into annotated keyframes a coding agent can read. MCP server + CLI | 2 | Claude Code, Codex, OpenCode | 2 | 1,080 tok |
| HarperZ9/telos harperz9.github.io Build shared AI workspaces for creation, simulation, verification, MCP tools, and replayab | 2 | Codex, OpenCode | 1 | 231 tok |
| trycoin-ai/agentrisk Risk guardrails for AI trading agents. Your agent proposes a trade; your policy decides. | 2 | Codex, OpenCode | 1 | 710 tok |
| zyqzyq/Unfour unfour.dev Local-first backend troubleshooting workspace for tracing failures across API, SSH, and da | 2 | Codex, OpenCode | 1 | 788 tok |
| nalediym/touch-grass touch-grass-xi.vercel.app A Claude Code plugin that teaches your AI agent to remind you to go outside. Weather-aware | 2 | Claude Code, Codex, OpenCode | 2 | 79 tok |
| AUTHENSOR/AUTHENSOR authensor.com We audit the instruments the AI industry measures itself with — and file every fix upstrea | 2 | Claude Code, Codex, Cursor, OpenCode | 3 | 2,309 tok |
| trycourier/courier-mcp | 2 | Claude Code, Codex | 1 | — |
| xiaojiou176-open/campus-copilot xiaojiou176-open.github.io Academic decision workspace with cited study context from Canvas, Gradescope, EdStem, and | 2 | Claude Code, Codex, OpenCode | 2 | 6,449 tok |
| antonio-mello-ai/mcp-airflow MCP server for airflow | 2 | Claude Code, Codex, Gemini CLI, OpenCode | 3 | 357 tok |
| stfade/moth npmjs.com A debugging workflow plugin for AI coding agents. Turns terminal failures into source-back | 2 | Codex, OpenCode | 1 | 1,253 tok |
| oryanmoshe/agent-skills Battle-tested skills for disciplined AI-assisted development. Task tracking, code review, | 2 | Claude Code, Codex, OpenCode | 4 | 874 tok |
| nolindnaidoo/regex-le letools.dev Find every regex in a codebase, and report which can be driven into catastrophic backtrack | 2 | Claude Code, Codex, GitHub Copilot, Cursor, Gemini CLI, OpenCode, Windsurf | 6 | 8,236 tok |
| nsphung/mcp-snowflake-server pypi.org MCP Snowflake Server NSP - A Snowflake MCP server — SQL queries, schema exploration, and d | 2 | Claude Code, Codex | 1 | — |
| partymola/fitbit-mcp modelcontextprotocol.io Retired - use google-health-mcp instead. The Fitbit Web API shuts down on 30 September 202 | 2 | Claude Code, Codex, OpenCode | 2 | 4,512 tok |
| alcylu/nightlife-mcp nightlifetokyo.com The first nightlife discovery MCP server. Search events, venues, and performers in Tokyo a | 2 | Claude Code, Codex, OpenCode | 2 | 5,312 tok |
| rabqatab/LexLink-ko-mcp MCP server integrating the Korean National Law Information Center Open API for structured | 2 | Codex, OpenCode | 1 | 1,612 tok |
| MarketcheckHub/marketcheck-api-mcp-apps apps.marketcheck.com Marketcheck MCP UI, embeddable apps showcase | 2 | Claude Code, Codex, OpenCode | 2 | 333 tok |
| bitrefill/bitrefill-mcp-server bitrefill.com A Model Context Protocol Server connector for Bitrefill public API, to enable AI agents to | 2 | Codex, OpenCode | 1 | 1,020 tok |
| shibley/mymcptools mymcptools.vercel.app MCP Server Directory - Find and compare Model Context Protocol servers | 2 | Claude Code, Codex, OpenCode | 2 | 79 tok |
| gguloadoong/idea-factory One idea in. Working MVP out. Turn Claude Code into a virtual startup team. | 2 | Claude Code, Codex, OpenCode | 2 | 1,284 tok |
| daftAI2026/daftAI-skills | 2 | Claude Code, Codex, OpenCode | 2 | 6,500 tok |
| wunamesst/skills A curated collection of production-grade Claude Code skills. | 2 | Claude Code, Codex, OpenCode | 2 | 2,039 tok |
| LeonMelamud/claude-code-security-review AI-powered security audit skill for code changes with false positive filtering. Based on A | 2 | Codex, OpenCode | 1 | 530 tok |
| danhuaxiansheng/claude-code-cleanup-skills Claude Code agent skills for code cleanup, dead-code audits, necessary-code review, and pa | 2 | Claude Code, Codex, OpenCode | 2 | 176 tok |
| dyeoman2/clerk-mcp-template A production-ready template for building Model Context Protocol (MCP) servers with Clerk a | 2 | Codex, OpenCode | 1 | 314 tok |
| MicroMilo/awesome-claude-code-codex-papers micromilo.github.io Curated 2026 conference papers on Claude Code and Codex CLI—benchmarks, methods, failures, | 2 | Codex, OpenCode | 1 | 244 tok |
| ceshine/git-prompts-mcp-server An MCP server that offers several commands to generate prompts based on the Git repository | 2 | Claude Code, Codex, OpenCode | 2 | 596 tok |
| tmusser/context-to-action-skills Claude skills for turning messy business context into clear asks, decisions, owners, updat | 2 | Codex, OpenCode | 1 | 259 tok |
| mcqua007/agents-skeleton A language-agnostic starter repo for AI-powered development. Single-source-of-truth AGENTS | 2 | Claude Code, Codex, GitHub Copilot, Gemini CLI, OpenCode | 6 | 908 tok |
| arch3rPro/ark-space ArkSpace is a creative workspace for orchestrating agent skills, roles, and workflows acro | 2 | Claude Code, Codex, OpenCode | 2 | 969 tok |
| promobase/facebook-business-mcp MCP server implementation of Facebook Business API | 2 | Claude Code, Codex, Gemini CLI, OpenCode | 3 | 284 tok |
| bruhsb/paperclip-mcp | 2 | Claude Code, Codex, OpenCode | 2 | 5,821 tok |
| Avinava/document-design-system avinava.github.io A design system for documents — analytical reports, diagrams, charts, decks, and long-form | 2 | Codex, OpenCode | 1 | 347 tok |
| alegerber/stockfish-lc0-mcp A TypeScript-based MCP server that exposes Stockfish and Lc0 chess engine capabilities to | 2 | Codex, OpenCode | 1 | 3,296 tok |
| SteinsFu/my-adhd-caveman A skill for your coding agent. Stops it from burying the answer in preamble. Numbered step | 2 | Codex, Gemini CLI, OpenCode | 2 | 631 tok |
| dtunai/agent-skills-for-compute Agent-optimized skills for the full LLM lifecycle — pre-training, post-training (RL/DPO/RL | 2 | Claude Code, Codex, OpenCode | 2 | 698 tok |
| 1508550385junnan-bot/Magic-Agent-Global-Rules 📋 Global agent collaboration rules — 16 sections of behavioral constraints that turn AI f | 2 | Claude Code, Codex, OpenCode | 2 | 5,042 tok |