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 |
|---|---|---|---|---|
| co-native-ab/graphdo-ts A TypeScript MCP server that gives AI agents scoped, low-risk access to Microsoft Graph. | 1 | Claude Code, Codex, OpenCode | 17 | 4,416 tok |
| seabearDEV/Reverie seabear.dev A command-line information store for quick reference of frequently used data, with dot not | 1 | Claude Code, Codex, OpenCode | 2 | 919 tok |
| CariotInc/cariot-mcp-server | 1 | Codex, OpenCode | 1 | 106 tok |
| ymyzk/nagoya-bus-mcp MCP server for Nagoya City Bus | 1 | Claude Code, Codex, GitHub Copilot, OpenCode | 3 | 1,493 tok |
| Jercik/perplexity-agent-mcp code.j4k.dev Mirror of https://code.j4k.dev/j4k-oss/perplexity-agent-mcp | 1 | Claude Code, Codex, OpenCode | 2 | 8,661 tok |
| CaseyRo/mcp-readwise MCP server for Readwise and Reader: markdown to real EPUB in your Reader library, engageme | 1 | Claude Code, Codex, OpenCode | 22 | 821 tok |
| philipithomas/ghost-mcp mcp.contraption.co An experimental MCP server for Contraption Company essays | 1 | Codex, OpenCode | 1 | 619 tok |
| Knuckles-Team/archivebox-api ArchiveBox API and MCP Server | 1 | Claude Code, Codex, OpenCode | 2 | 3,975 tok |
| waTeim/cnpg-mcp An MCP Server for the Cloud Native PG Controller | 1 | Codex, OpenCode | 1 | 879 tok |
| protosskai/chatgpt-context-mcp | 1 | Codex, OpenCode | 1 | 754 tok |
| berthojoris/katcoder-mysql-mcp | 1 | Codex, OpenCode | 1 | 90 tok |
| PrinceGupta1999/graylog-mcp Unofficial Graylog MCP | 1 | Claude Code, Codex, Cursor, OpenCode | 3 | 1,109 tok |
| bleugreen/kicad-mcp | 1 | Codex, OpenCode | 1 | 641 tok |
| iPraBhu/mcp-perforce-server npmjs.com Enterprise-grade MCP server enabling AI assistants (Claude, Cursor, Copilot, ChatGPT) to s | 1 | Codex, OpenCode | 1 | 5,893 tok |
| aakashH242/mcp-playwright aakashh242.github.io Playwright Model Context Protocol Server - Tool to automate Browsers and APIs in Claude De | 1 | Codex, OpenCode | 1 | 658 tok |
| nxxxsooo/mcp-server-wechat-mp MCP Server for WeChat Official Account (微信公众号) | 1 | Codex, OpenCode | 1 | 717 tok |
| a-wiseguy/invoiceninja-mcp if the invoice i sent is too high, blame claude. | 1 | Codex, OpenCode | 1 | 1,402 tok |
| eficode/mcp-agileday MCP server for agileday | 1 | Codex, OpenCode | 1 | 1,028 tok |
| sandraschi/observability-mcp FastMCP 3.2 observability server for monitoring MCP ecosystems with OTel and Grafana | 1 | Claude Code, Codex, Cursor, OpenCode | 4 | 516 tok |
| waynebaby/MCPTokenBridge | 1 | Codex, GitHub Copilot, OpenCode | 2 | 1,318 tok |
| jscraik/mKit MCP Server Boilerplate for Cloudflare Workers | 1 | Claude Code, Codex, OpenCode | 2 | 633 tok |
| adrianmikula/JakartaMigrationMCP | 1 | Codex, Cursor, OpenCode | 4 | 4,267 tok |
| creative-koalas/kmux Block-oriented terminal MCP server, tailored for AI/LLMs | 1 | Codex, OpenCode | 1 | 47 tok |
| jorben/mcp-server A unified MCP (Model Context Protocol) server with pluggable tools. | 1 | Codex, OpenCode | 1 | 1,085 tok |
| antonio-mello-ai/mcp-slack MCP server for slack | 1 | Codex, OpenCode | 1 | 573 tok |
| cvsloane/mainwp-mcp | 1 | Claude Code, Codex, OpenCode | 2 | 245 tok |
| aferreiraguido/python-mcp-server MCP Server For Deterministic PYTHON Analysis | 1 | Codex, OpenCode | 1 | 820 tok |
| mrorigo/simple-memory-mcp Personal memory MCP server backed by SQLite FTS5 BM25 search with temporal reranking. | 1 | Codex, OpenCode | 1 | 808 tok |
| alDuncanson/gcal-mcp pypi.org Google Calendar MCP server | 1 | Codex, OpenCode | 1 | 265 tok |
| quartz-labs-dev/pabal-resource-mcp npmjs.com MCP server for bidirectional conversion between ASO and web SEO data. | 1 | Codex, OpenCode | 1 | 655 tok |
| DemandSphereDev/demandsphere-mcp MCP server for the DemandSphere platform | 1 | Claude Code, Codex, OpenCode | 2 | 1,087 tok |
| datagen24/World-Anvil-MCP MCP service using the Boramir world Anvil API | 1 | Claude Code, Codex, OpenCode | 2 | 4,886 tok |
| serenichron/mcp-cloudron MCP server for Cloudron instance management | 1 | Codex, OpenCode | 1 | 2,644 tok |
| bcharleson/zoom-agent-cli npmjs.com CLI and MCP server for the Zoom API — built for humans and AI agents | 1 | Claude Code, Codex, OpenCode | 2 | 3,418 tok |
| wirnat/gibrun MCP for End to End golang testing with DAP debugger, CURL, and PGSQL | 1 | Codex, OpenCode | 1 | 795 tok |
| FrontMage/screenshot_mcp macOS screenshot/recording MCP server with a Swift capture CLI and Node MCP wrapper | 1 | Codex, OpenCode | 1 | 346 tok |
| OmelchMichael/mcp_agent_mail | 1 | Codex, OpenCode | 1 | 6,596 tok |
| FactrueSolin/image-edit-rmcp Align with the image editing function of OpenAI Web: Provide an MCP (Model Context Protoco | 1 | Codex, OpenCode | 1 | 29 tok |
| kunobi-ninja/mcp MCP server for Kunobi — Kubernetes management from AI assistants | 1 | Claude Code, Codex, OpenCode | 2 | 137 tok |
| coreline-ai/antigravity_glm_mcp Gemini/Antigravity ↔ GLM-4.5 bridge MCP server and coding automation tools | MCP bridge an | 1 | Codex, OpenCode | 1 | 926 tok |
| pexcard/mcp npmjs.com Official MCP server for PEX | 1 | Codex, OpenCode | 1 | 1,629 tok |
| Stonewater-Digital/snowdrop-mcp Snowdrop public MCP server — 1,500+ skills for the community | 1 | Codex, OpenCode | 1 | 1,010 tok |
| hetpatel-11/supermemory-mcp Supermemory Graph with any MCP client - ChatGPT, claude, etc | 1 | Claude Code, Codex | 3 | — |
| Marcus-Rug-Intel/rug-munch-mcp MCP server for Marcus Rug Intel — 19 tools for crypto token risk analysis, rug pull detect | 1 | Claude Code, Codex, OpenCode | 8 | 2,244 tok |
| ruifung/mcp-cm-bridge CodeMode MCP Bridge - Bridge your MCP servers using Code Mode! | 1 | Codex, OpenCode | 1 | 98 tok |
| diaz3618/memory-bank-mcp npmjs.com Memory Bank MCP Server with Remote SSH support and more | 1 | Claude Code, Codex, GitHub Copilot | 2 | 1,350 tok |
| frstlvl/obsidian-mcp-server | 1 | Codex, GitHub Copilot, OpenCode | 2 | 9,464 tok |
| mhoshdev/prompt-store-mcp Simple local prompt store MCP for LLM enabled applications. | 1 | Codex, OpenCode | 1 | 197 tok |
| nazroll/wzrdbrain-mcp MCP server for generating inline skating wizard style combos. | 1 | Codex, OpenCode | 1 | 465 tok |
| adibirzu/mcp_oci_opsi | 1 | Codex, OpenCode | 1 | 788 tok |