24,842 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 agents8,530Claude Code6,887Git and workflow3,618Data and AI3,582Backend and APIs3,558Languages3,485Planning3,325Code review2,903Testing2,691DevOps and cloud2,482Writing and docs2,481Memory and context2,373Research2,322Frontend2,310Security2,179Project management1,971
All Claude Code32,523 Codex24,842 OpenCode23,761 GitHub Copilot3,723 Gemini CLI2,038 Cursor1,771 Windsurf201 Kiro116
| Project | Stars | Configures | Files | Always loaded |
|---|---|---|---|---|
| ubbcou/system-command-mcp Cross-platform structured system command MCP for Codex and DSH | 1 | Codex, OpenCode | 1 | 143 tok |
| doctormacky/okf-mcp | 1 | Claude Code, Codex | 5 | — |
| EvilFreelancer/zaezd Zaezd — a trip engine that starts with a reason to travel: a conference on your topic beco | 1 | Claude Code, Codex, OpenCode | 2 | 1,545 tok |
| starSumi/sumi-docs starsumi.github.io Human and machine-readable documentation for people and AI agents | 1 | Claude Code, Codex, OpenCode | 5 | 935 tok |
| Todo4Agent/Todo4Agent todo4agent.github.io An MCP task list designed for agents, with a UI interface. | 1 | Codex, OpenCode | 1 | 261 tok |
| GuionAI/web A web research toolkit with multi-provider search and clean Markdown extraction from stati | 1 | Codex, OpenCode | 1 | 343 tok |
| sandraschi/substack-mcp FastMCP 3.1+ Model Context Protocol (MCP) server & SOTA React webapp dashboard for Substac | 1 | Claude Code, Codex, OpenCode | 2 | 737 tok |
| npcworkspace-cmyk/eric-task-master npctech.site Durable Playwright + Chrome task runner for AI agents: one-file jobs, persistent Profiles, | 1 | Codex, OpenCode | 1 | 309 tok |
| sandraschi/stripe-mcp FastMCP 3.4+ server & SOTA React Webapp for Stripe payment operations, SaaS billing, subsc | 1 | Claude Code, Codex, Cursor, OpenCode | 3 | 740 tok |
| YansIlinta/video-agent-runtime Agent-native, headless video editing runtime: durable edit IR, approval-gated workflow, CL | 1 | Codex, OpenCode | 1 | 1,354 tok |
| 13030109506/project-files-readonly-mcp A bounded, multi-root, read-only MCP server for local project files on Windows. | 1 | Codex, OpenCode | 1 | 290 tok |
| LOsioChico/mdingest mdingest.knightker.workers.dev Ingest blog/article/newsletter pages (Medium, Dev.to, Substack) to clean Markdown for LLMs | 1 | Codex, OpenCode | 1 | 9,392 tok |
| kieksme/mcp-listmonk Covers the full api of listmonk | 1 | Codex, OpenCode | 1 | 136 tok |
| P4rthPat3l/sheetcraft-mcp npmjs.com Google Sheets for AI agents. 34-tool MCP server + CLI with token-efficient reads, teaching | 1 | Codex, OpenCode | 1 | 2,898 tok |
| abel30567/fermi-mcp Fermi — a portable AI control plane: one MCP server on Cloudflare Workers with shared memo | 1 | Claude Code, Codex, OpenCode | 2 | 948 tok |
| paceaitian/google-health-chatgpt-selfhost Self-hosted single-user read-only Google Health MCP connector for private ChatGPT Develope | 1 | Codex, OpenCode | 1 | 347 tok |
| avivancos/open-english OLCP - a portable MCP server that owns identity, curriculum and the learner model, while a | 1 | Claude Code, Codex, OpenCode | 8 | 2,863 tok |
| kyoungjongkil/fileanalyzer_mcp_testmonial A FastMCP-based test suite for reading and analyzing specific local files. | 1 | Claude Code, Codex, OpenCode | 2 | 3,153 tok |
| TianlinglingOvO/MoneyManager SMB (Sutady Moneybook) - A personal bookkeeping system based on SQLite and MCP | 1 | Claude Code, Codex, OpenCode | 2 | 6,939 tok |
| brettdavies/sounding-webmcp-demo sounding.brettdavies.workers.dev Audit patient for the anc.dev WebMCP challenge. | 1 | Claude Code, Codex, GitHub Copilot, OpenCode | 3 | 81 tok |
| YanxReal/Xcode-MPC Professional MCP Server for Xcode — 52 tools + 5 Skills (xcodebuild, simctl, Assets.xcasse | 1 | Codex, OpenCode | 1 | 2,107 tok |
| lovecatisgood-sudo/AI_Agent_MCP_Tool_for_Multi_Docu_PDF_PNG_QR_File_Conversion_Processing_Capability djai.academy Free local-first MCP server giving AI agents private token, RAG, context, CSV/JSON and QR | 1 | Codex, OpenCode | 1 | 173 tok |
| abhi-ramtel/mcp-overleaf-server This is used to apply for jobs and generate a ATS optimized resume. | 1 | Claude Code, Codex | 2 | — |
| ask33r/omp-dsh-workers Run DeepSeek Harness (DSH) workers from an oh-my-pi session: persistent worker runs, steer | 1 | Claude Code, Codex, OpenCode | 2 | 843 tok |
| royashbrook/lifescored You are already a number. Every rule cited, every weight editable. | 1 | Claude Code, Codex, OpenCode | 2 | 941 tok |
| zse4321/decision-anchor-sdk | 1 | Codex, OpenCode | 1 | 6,236 tok |
| Treevu-ai/cli-market-world cli-market.dev Cost-of-Living OS for LatAm — market optimize: basket compare, TCO, substitutes, action li | 1 | Claude Code, Codex, OpenCode | 8 | 4,773 tok |
| TranQui004/signalint tranqui004.github.io MCP server for compact, cached, loop-aware JavaScript and TypeScript diagnostics | 1 | Codex, OpenCode | 1 | 1,312 tok |
| ariaxhan/agentmailkit Scheduled, LLM-written email digests that run on your machine, read your own files, and se | 1 | Claude Code, Codex, OpenCode | 2 | 5,148 tok |
| KG-NINJA/HyperXosist-Agent | 1 | Codex, OpenCode | 1 | 4,231 tok |
| chrischall/gogcli-mcp Google Sheets (and more) for Claude via gogcli — an MCP server | 1 | Claude Code, Codex, OpenCode | 2 | 12,133 tok |
| asattelmaier/gnome-ui-mcp A small Model Context Protocol server for GNOME Wayland desktop automation | 1 | Codex, OpenCode | 1 | 486 tok |
| ANAMIZED/x402-cloudflare-starter The simplest, cleanest way to accept USDC payments on Base + Solana using x402. Bring your | 1 | Codex, OpenCode | 1 | 524 tok |
| commet/Argus argus.voyage | 1 | Claude Code, Codex, OpenCode | 4 | 7,743 tok |
| cyanheads/ourairports-mcp-server npmjs.com Resolve airport codes (IATA/ICAO/GPS/local), search airports, find the nearest by coordina | 1 | Claude Code, Codex, OpenCode | 2 | 15,774 tok |
| cyanheads/shift-mcp-server npmjs.com Lightweight coordination layer for multiple AI agents working on the same codebase simulta | 1 | Claude Code, Codex, OpenCode | 2 | 14,066 tok |
| cyanheads/reference-data-mcp-server npmjs.com Look up countries, timezones, periodic table elements, physical constants, units, HTTP sta | 1 | Claude Code, Codex, OpenCode | 2 | 15,750 tok |
| conorbronsdon/apple-podcasts-mcp chainofthought.show Apple Podcasts Connect Reporter analytics over MCP: plays, followers, and per-episode cons | 1 | Claude Code, Codex, OpenCode | 2 | 663 tok |
| conorbronsdon/podcastindex-mcp chainofthought.show MCP server for the Podcast Index API — search podcasts, track appearances, monitor trendin | 1 | Claude Code, Codex, OpenCode | 2 | 553 tok |
| cyanheads/pentest-mcp-server npmjs.com Offline methodology engine and payload workshop for authorized penetration testing, CTF, s | 1 | Claude Code, Codex, OpenCode | 2 | 12,626 tok |
| cyanheads/pokeapi-mcp-server npmjs.com Look up Pokémon, moves, abilities, items, natures, and type matchups from PokéAPI v2 via M | 1 | Claude Code, Codex, OpenCode | 2 | 14,732 tok |
| matheusfillipe/midifier Turns a song into a multi-track General MIDI file. REST + MCP. | 1 | Claude Code, Codex, OpenCode | 2 | 2,145 tok |
| cyanheads/transitland-mcp-server npmjs.com Global transit data from the Transitland v2 registry — operators, GTFS/GTFS-RT/GBFS feeds | 1 | Claude Code, Codex, OpenCode | 2 | 16,186 tok |
| cyyprezz/codex-serverops-mcp desens.dev Windows-first local MCP transport for stateful SSH server operations | 1 | Codex, OpenCode | 1 | 439 tok |
| dulzuradev/liveauth-mcp | 1 | Codex, OpenCode | 1 | 351 tok |
| The-Code-Registry/mcp-server thecoderegistry.com Public MCP repository to describe how AI agents can use our hosted MCP server to get code | 1 | Codex, OpenCode | 1 | 1,531 tok |
| droideck/ldap-assistant-mcp | 1 | Claude Code, Codex, OpenCode | 3 | 1,769 tok |
| lemmaoracle/lemma lemma.frame00.com Give AI proven facts — a cryptographically verified truth layer for agent AI, built on ZK | 1 | Claude Code, Codex, Cursor, OpenCode | 11 | 317 tok |
| cyanheads/usda-mcp-server npmjs.com Search foods, compare nutrients, and look up the full USDA FoodData Central database via M | 1 | Claude Code, Codex, OpenCode | 2 | 17,134 tok |
| cyanheads/federal-reserve-mcp-server npmjs.com Search and fetch ~800K Federal Reserve economic time-series from the FRED API via MCP. STD | 1 | Claude Code, Codex, OpenCode | 2 | 14,784 tok |