24,879 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 agents8,544Claude Code6,892Git and workflow3,622Data and AI3,580Backend and APIs3,558Languages3,492Planning3,321Code review2,907Testing2,690DevOps and cloud2,489Writing and docs2,484Memory and context2,374Research2,321Frontend2,311Security2,178Project management1,971
All Claude Code32,539 Codex24,879 OpenCode23,799 GitHub Copilot3,723 Gemini CLI2,040 Cursor1,772 Windsurf202 Kiro116
| Project | Stars | Configures | Files | Always loaded |
|---|---|---|---|---|
| 115dkk/pplx-custom-mcp Cloudflare Workers MCP server — Perplexity search + content extraction without a headless | 0 | Codex, OpenCode | 1 | 35 tok |
| getnyxdoc/nyxdoc nyxdoc.com An agent-native document system for people and their external agents. | 0 | Claude Code, Codex, OpenCode | 2 | 339 tok |
| white-space-solutions/postgrid-mcp Read-only MCP server for PostGrid Print & Mail. Vercel-native, stateless OAuth 2.1, built | 0 | Claude Code, Codex, OpenCode | 2 | 79 tok |
| johnawadlow/snackbar snackbar-six.vercel.app A personal note store with an MCP front door — capture ideas from whichever assistant you' | 0 | Claude Code, Codex, OpenCode | 2 | 79 tok |
| ai-cooperation/tapcard-mcp Self-hosted NFC and QR profile with a private AI business card wall, powered by Cloudflare | 0 | Codex, OpenCode | 1 | 1,377 tok |
| zetsubo-dev/codex-claude-subagent MCP plugin that connects OpenAI Codex to interactive Claude Code sessions through your cla | 0 | Codex, OpenCode | 1 | 994 tok |
| lineape/seo-page-checker-mcp | 0 | Codex, OpenCode | 1 | 1,159 tok |
| amangit1314/repo-rag A chat agent over my own GitHub profile — ask it "has Aman used Kotlin?" or "is CareerSpir | 0 | Claude Code, Codex, OpenCode | 13 | 4,244 tok |
| akashic-plugins/bangumi-mcp | 0 | Codex, OpenCode | 1 | 698 tok |
| andreigheo/sol-indesign-mcp A local, authenticated MCP bridge between OpenAI Codex and Adobe InDesign through a typed | 0 | Codex, OpenCode | 1 | 1,554 tok |
| deer-001/OmniBrowse-Agent OmniBrowse-Agent is a web deep-browsing and evidence-based reporting system built on MCP a | 0 | Codex, OpenCode | 1 | 1,687 tok |
| geektan123/MCP-Ecom | 0 | Claude Code, Codex | 1 | — |
| cpouldev/soft1-mcp Soft1 MCP is a standalone Python MCP server for read-only analysis of one Soft1 ERP SQL Se | 0 | Claude Code, Codex, OpenCode | 2 | 3,337 tok |
| yzr95924/agent-html-drop HTML drop server for agents with MCP | 0 | Claude Code, Codex, OpenCode | 2 | 2,179 tok |
| manojkiranti/local-llm-mcp | 0 | Claude Code, Codex, OpenCode | 2 | 3,477 tok |
| Aphelion-Development/search-box Multi-provider search engine MCP server implementation | 0 | Codex, OpenCode | 1 | 1,135 tok |
| Mahesh8214/ShadowShield-MCP | 0 | Claude Code, Codex | 1 | — |
| furkangonel/AppMarquee A lightweight, local-first App Store and Google Play screenshot studio with MCP for Codex | 0 | Claude Code, Codex, OpenCode | 2 | 167 tok |
| seerkong/ego-automation-mcp-app-demo | 0 | Claude Code, Codex, OpenCode | 16 | 91 tok |
| codebytemirza/linkedin-post-mcp A production-ready Model Context Protocol (MCP) server that connects Claude to LinkedIn, e | 0 | Claude Code, Codex | 5 | — |
| Sonora-Multiroom/sonora-mcp | 0 | Codex, OpenCode | 1 | 2,441 tok |
| mperkhou/career-agent-workbench A public-safe Python workbench for governed career workflow automation. | 0 | Codex, OpenCode | 1 | 452 tok |
| sandraschi/benny-the-dog-mcp Benny the dog health and care monitor - water bowls, movement, loneliness detection, sausa | 0 | Claude Code, Codex, GitHub Copilot, Cursor, OpenCode, Windsurf | 6 | 1,778 tok |
| browserview/mcp This server lets any MCP-capable agent (Claude, OpenAI agents, Cursor, and others) create, | 0 | Codex, OpenCode | 1 | 585 tok |
| LordFB/_ContextFabricMCP | 0 | Claude Code, Codex | 1 | — |
| mhdarifsetiawan01/semantic-mcp-server | 0 | Claude Code, Codex, OpenCode | 4 | 1,678 tok |
| fledgeling-co/sift-apple-mail-mcp Search your Apple Mail at the speed of thought. A local MCP server: 188k messages, body se | 0 | Claude Code, Codex, OpenCode | 2 | 5,905 tok |
| joohyukjung/LexLink-ko-mcp | 0 | Codex, OpenCode | 1 | 1,612 tok |
| mrsuber/davinci-resolve-mcp | 0 | Claude Code, Codex, GitHub Copilot, Cursor, OpenCode | 12 | 5,925 tok |
| meob/mcp-blueprint MCP Blueprint is a lightweight framework for creating Model Context Protocol (MCP) servers | 0 | Claude Code, Codex, OpenCode | 2 | 1,266 tok |
| czcz0009/my-mcp-server | 0 | Claude Code, Codex, OpenCode | 2 | 6,209 tok |
| ikeike443/hevy-fitness-mcp fitness-mcp-eight.vercel.app | 0 | Claude Code, Codex, OpenCode | 3 | 807 tok |
| kailash-enph/jama-connect Unified Jama Connect MCP backend, REST API, viewer, and VS Code extension as a single pip | 0 | Codex, OpenCode | 1 | 2,933 tok |
| ncleton-petitmaker/ovs-mcp Unofficial Official Vegan Shop MCP server and CLI | 0 | Claude Code, Codex, OpenCode | 2 | 181 tok |
| vnknov/de.scenaryo.channels MCP to create a possiblity for Agents to communicate through guardrailed channels | 0 | Codex, OpenCode | 1 | 3,335 tok |
| vohoailinh90/Excel_MCP_Server Open macros and basic Excel functions through an MCP server | 0 | Claude Code, Codex, OpenCode | 3 | 3,736 tok |
| ayhammouda/gsc-seo-mcp Secure, read-only Google Search Console MCP server with exact property allowlists and a ha | 0 | Codex, OpenCode | 1 | 824 tok |
| omid-ok13/mattermost-mcp | 0 | Codex, OpenCode | 1 | 293 tok |
| ashrocket/monday-mcp Unofficial local MCP server for monday.com. Runs on your machine, keeps your token local, | 0 | Codex, OpenCode | 1 | 288 tok |
| yadimon/steuer-spar-erklaerung-mcp Inoffizielle lokale API und optionaler MCP-Wrapper für SteuerSparErklärung 2025 (Windows) | 0 | Claude Code, Codex, OpenCode | 2 | 572 tok |
| gppsys/personalcopilotmcp Servidor MCP para conectar multiples cuentas de correo y servicios. | 0 | Codex, OpenCode | 1 | 2,231 tok |
| carlosroman/yet-another-MCP-server YAMS is a batteries-included MCP server that provides the common tools for agents to use | 0 | Claude Code, Codex, OpenCode | 2 | 424 tok |
| renaudb/bixi-mcp Bixi MCP server | 0 | Codex, OpenCode | 1 | 15 tok |
| solaegis/hubitat-mcp MCP server for Hubitat Elevation hubs (C-5+) — Maker API device control, optional admin to | 0 | Codex, OpenCode | 1 | 338 tok |
| Mushkrot/Recallant Self-hosted governed project memory for coding agents. | 0 | Codex, OpenCode | 1 | 1,373 tok |
| yuzu-octopus/Codebreaker_Solver yuzu-octopus.github.io Codebreaker.xyz client, MCP server, CLI, and C++ solutions | 0 | Codex, OpenCode | 1 | 4,334 tok |
| Cyphid-Academy/Render-Fetch-MCP MCP server for retrieving bot-unfriendly page content | 0 | Claude Code, Codex, OpenCode | 2 | 904 tok |
| JASMINE145-ACT/workbuddy-quote-pack WanDing WorkBuddy PC quotation sidepack (org JWT + MCP). Isolated from Mixing. Open folder | 0 | Codex, OpenCode | 1 | 247 tok |
| KB01111/MCP-SearchEngine MCP server that searches & scrapes multiple sources (DuckDuckGo, Wikipedia, arXiv, Hacker | 0 | Codex, OpenCode | 1 | 1,047 tok |
| dsharrington84/construction-intelligence-mcp | 0 | Codex, OpenCode | 1 | 1,433 tok |