43,730 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 agents7,670Claude Code6,650Data and AI3,673Backend and APIs3,507Languages3,392Planning3,227Git and workflow3,211Code review2,744Testing2,385Memory and context2,367Writing and docs2,330DevOps and cloud2,314Research2,288Frontend2,261Security2,032Productivity1,722
All Claude Code31,994 Codex23,359 OpenCode22,302 GitHub Copilot3,560 Gemini CLI1,917 Cursor1,740 Windsurf142 Kiro82
| Project | Stars | Configures | Files | Always loaded |
|---|---|---|---|---|
| danielwpz/polybrain-mcp An MCP server for connecting AI agents to multiple LLM models. | 2 | Claude Code | 1 | 1,810 tok |
| sachinparyani/mcp-server-shopping MCP server for shopping integration | 2 | Claude Code | 1 | 624 tok |
| frap129/lorekeeper-mcp Semantic search tools for D&D5e w/ Open5e and .orcbrew import | 2 | Codex, OpenCode | 1 | 584 tok |
| agentage/server-memory MCP server for agentage Memory: exposes @agentage/memory-core vaults as the frozen 6 memor | 2 | Claude Code | 1 | 465 tok |
| HeshamWM/idfm-mcp-server MCP Server for Paris public transport data - Real-time departures, traffic info via IDFM P | 2 | Claude Code | 1 | 1,348 tok |
| tiemenrtuinstra/baarn-raadsinformatie MCP Server voor politieke documenten gemeente Baarn via Notubiz API | 2 | GitHub Copilot | 1 | 779 tok |
| phildougherty/infracost_mcp | 2 | Claude Code | 2 | 1,161 tok |
| INSIDE-HAIR/mcp-google-calendar-and-meet | 2 | Claude Code | 1 | 1,365 tok |
| jonpspri/databeak jonpspri.github.io Model Context Protocol server providing 40+ specialized CSV data manipulation tools for AI | 2 | Claude Code, Codex, OpenCode | 3 | 1,609 tok |
| Leon-Algo/feishu_user_token_mcp | 2 | Codex, OpenCode | 1 | 3,412 tok |
| LucasRocha179/mcp-vault-reader | 2 | Cursor | 1 | 259 tok |
| jakedx6/helios9-MCP-Server | 2 | Claude Code | 2 | 2,654 tok |
| lenvolk/mcp-lifx | 2 | Claude Code, Codex, GitHub Copilot | 3 | 833 tok |
| freevisionsk/registeruz-mcp MCP server for Slovak Registry of Financial Statements (Register účtovných závierok) | 2 | Claude Code | 1 | 817 tok |
| Im-Hal-9K/capacities-mcp Capacities×MCP | 2 | Claude Code, Codex, OpenCode | 4 | 1,660 tok |
| javiarmesto/Lab3_1_MCP_BusinessCentral | 2 | GitHub Copilot | 1 | 357 tok |
| ariesanhthu/mcp-server-vietnam-stock-trading | 2 | Cursor | 1 | — |
| axelspringer/snyk-mcp-rest MCP for Snyk REST API | 2 | GitHub Copilot | 1 | 1,859 tok |
| HadyAhmed00/Android-MCP | 2 | Claude Code | 1 | 2,437 tok |
| jonmmease/jons-mcp-pushover An MCP server for sending push notifications via Pushover | 2 | Claude Code | 1 | 571 tok |
| Joint-Photon-Sciences-Institute/xraylarch-mcp | 2 | Claude Code | 1 | 4,335 tok |
| zlatanpham/anki-mcp | 2 | Claude Code | 1 | 477 tok |
| courtneyr-dev/meta-trac MCP server for WordPress Meta Trac - adapted from trac-mcp | 2 | Claude Code | 5 | — |
| cameronsjo/mouse-mcp MCP server providing Disney parks data to Claude - attractions, dining, height requirement | 2 | Codex, OpenCode | 1 | 155 tok |
| Legorobotdude/mcp-image-gen MCP server for Gemini AI image generation | 2 | Claude Code, Codex, OpenCode | 2 | 748 tok |
| Tommertom/safer_fetch_mcp Copy from anthropic's Fetch MCP - to ensure code control | 2 | Claude Code | 1 | — |
| not-a-feature/evo2-mcp evo2-mcp.readthedocs.io MCP server for generating, scoring and embedding genomic sequences using Evo 2 | 2 | GitHub Copilot | 1 | 230 tok |
| SaladTechnologies/mcproxy Remote headless browser sessions via MCP (Model Context Protocol) for SaladCloud. | 2 | Claude Code | 2 | 2,321 tok |
| lesleslie/session-buddy Session management MCP server for Claude Code — automatic session lifecycle, searchable me | 2 | Claude Code, Codex, OpenCode | 3 | 6,035 tok |
| cogell/assembly-ai-mcp | 2 | Claude Code | 1 | 513 tok |
| cpjet64/WebAI-MCP Monitor browser logs and much more directly from MCP compatible IDEs. | 2 | Claude Code, Codex, OpenCode | 2 | 1,327 tok |
| oculairmedia/postizz-MCP MCP server for postizz | 2 | Claude Code | 1 | 2,128 tok |
| JOravetz/alpaca-mcp-gold Modular Alpaca trading server with resource mirrors | 2 | Claude Code | 5 | 2,121 tok |
| mojenmojen/of-mcp | 2 | Claude Code | 1 | 1,302 tok |
| dhks77/gw-ssh | 2 | Claude Code | 3 | 1,950 tok |
| thlandgraf/askme-mcp | 2 | Claude Code | 4 | 2,475 tok |
| GumpperGroup/unlock-reso-mcp-remote | 2 | Claude Code, Codex, OpenCode | 2 | 2,069 tok |
| clankercode/mcp-fetch-patents | 2 | Claude Code, Codex, OpenCode | 2 | 1,275 tok |
| masa061580/enhanced-pubmed-mcp-server | 2 | Claude Code | 1 | 629 tok |
| kaiye/mcp-fetch-page | 2 | Codex, OpenCode | 1 | 583 tok |
| oledmansfeld/unopim-mcp MCP Server for UnoPim PIM - Enable Claude Desktop to manage your product information with | 2 | Claude Code | 1 | 10,047 tok |
| inboundemail/mcp inbound-mcp.vercel.app | 2 | Codex, OpenCode | 1 | 1,369 tok |
| ohenak/etrade-mcp | 2 | Claude Code | 1 | 848 tok |
| duvoai/cua-mcp-server Agentic MCP server for CUA Cloud - delegate desktop automation tasks to autonomous vision- | 2 | Claude Code, Codex, OpenCode | 3 | 3,466 tok |
| Soushi888/holochain-mcp | 2 | Claude Code | 1 | 679 tok |
| enderekici/trading212-mcp Trading212 Mcp | 2 | Claude Code | 1 | 4,927 tok |
| RecursiveRabbit/AI_BBS Bulletin board system for direct AI-to-AI communication via MCP | 2 | Claude Code | 1 | 1,082 tok |
| mdemyanov/gramax-docportal-mcp MCP server for Gramax documentation portal — search, read articles, browse catalogs | 2 | Claude Code, Codex, OpenCode | 2 | 1,879 tok |
| JoviDeCroock/preact-mcp | 2 | Claude Code | 1 | 1,392 tok |
| yellowcandle/legco-search-mcp legco-search-mcp.herballemon.workers.dev A remote Model Context Protocol (MCP) server deployed on Cloudflare Workers for accessing | 2 | Claude Code, Codex, OpenCode | 2 | 4,231 tok |