43,832 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 agents7,763Claude Code6,670Data and AI3,659Backend and APIs3,501Languages3,393Git and workflow3,250Planning3,235Code review2,768Testing2,411Memory and context2,367Writing and docs2,341DevOps and cloud2,324Research2,284Frontend2,272Security2,048Project management1,751
All Claude Code31,994 Codex23,528 OpenCode22,474 GitHub Copilot3,571 Gemini CLI1,915 Cursor1,736 Windsurf150 Kiro87
| Project | Stars | Configures | Files | Always loaded |
|---|---|---|---|---|
| JaydeepDhamecha/devtwin MCP server that gives AI coding agents a live, structured understanding of your local deve | 0 | Claude Code | 4 | — |
| fjxyyzg3/renderdoc-mcp MCP server for RenderDoc — AI-assisted GPU frame capture analysis | 0 | Codex, OpenCode | 2 | 677 tok |
| marcocavanna/mailbridge MCP server that gives an AI assistant access to IMAP/SMTP mailboxes: read, search, organiz | 0 | Claude Code | 1 | 2,102 tok |
| dovrosenberg/onenote-mcp Microsoft OneNote MCP Server including handwriting output | 0 | Claude Code | 1 | 2,117 tok |
| railyard-sh/railyard-mcp railyard.sh Model Context Protocol server for Railyard — read and write data-centre estates from Claud | 0 | Claude Code | 1 | 521 tok |
| dmc5179/redhat-advanced-cluster-security-mcp | 0 | Claude Code | 1 | 1,139 tok |
| vikrambtech2025-png/alpaka-mcp MCP server + CLI for Alpaca Trading API — trade stocks, ETFs, and crypto through AI assist | 0 | Codex, OpenCode | 1 | 931 tok |
| JovemDaniel/google-drive-mcp MCP Server for Google Sheets, Slides and Drive — read/write from Claude Code | 0 | Claude Code | 1 | 1,672 tok |
| civilian7/TeleBot Telegram notification bot - GUI, MCP server, CLI | 0 | Claude Code | 1 | 808 tok |
| HaoNgo232/nestjs-devtools-mcp Bridge AI coding agents to your NestJS application's runtime state via the Model Context P | 0 | Codex, OpenCode | 1 | 684 tok |
| einsteindark-edgm/mcp-read-doc-local | 0 | Claude Code | 1 | 589 tok |
| timoconnellaus/bun-runner-mcp MCP server for running TypeScript/JavaScript with Bun | 0 | Claude Code, Codex, OpenCode | 5 | 286 tok |
| zzhiyuann/cortex zzhiyuann.github.io The missing plug-in layer for AI coding agents — memory, delegation, tool generation, and | 0 | Claude Code | 1 | 1,063 tok |
| natl-set/antlr4-mcp ANTLR4 MCP Server with Smart Validation - Grammar manipulation and analysis tools for Clau | 0 | Claude Code | 1 | 4,365 tok |
| ftaricano/mcp-notion Notion MCP Server for knowledge management and content organization | 0 | Claude Code | 1 | 4,145 tok |
| hwandam77/Hybrid-Gemini-mcp Hybrid Gemini MCP server — combines the conversation management strengths of claude-gemini | 0 | Claude Code | 1 | — |
| xTr161/TechnicalDocsMCP | 0 | GitHub Copilot | 1 | 891 tok |
| farmerajf/apple-notes-mcp | 0 | Claude Code | 1 | 2,424 tok |
| otaviosenne/chrome-agent-mcp MCP server for Chrome — multi-tab parallel control, DevTools inspection, tab groups, favic | 0 | Claude Code | 1 | 965 tok |
| tom275275/google-workspace-mcp Personal Cloud Run deployment of taylorwilsdon/google_workspace_mcp | 0 | Claude Code, GitHub Copilot | 2 | 3,595 tok |
| RafaelC457ro/code-context-mcp | 0 | Claude Code | 5 | — |
| ktehllama/myobscelium-mcp Python MCP server connecting Claude Desktop to an Obsidian vault, 19 tools for note I/O, I | 0 | Claude Code | 1 | 214 tok |
| uoparaji/salesforce-mcp | 0 | Claude Code | 1 | 594 tok |
| l4b4r4b4b4/bim2sim-mcp | 0 | GitHub Copilot | 1 | 710 tok |
| Fernandocgomez/mcp-server | 0 | Cursor | 1 | 2,167 tok |
| Kijun0708/llm-router-mcp | 0 | Claude Code | 1 | 6,262 tok |
| sebastienlevert/m365copilot-dev-mcp | 0 | Codex, OpenCode | 1 | 6,665 tok |
| Sharat005/mysql-mcp-server | 0 | Claude Code | 1 | 465 tok |
| bagwanpankaj/marketo-mcp Unofficial Marketo MCP to connect to Marketo | 0 | GitHub Copilot | 1 | 108 tok |
| orange521456/comfyui_mcp_project | 0 | Claude Code, Codex, OpenCode | 2 | 45 tok |
| nikolaymokh-dev/yandex-direct-mcp Hardened fork of axisrow/yandex-direct-mcp-plugin — an MCP server for Yandex.Direct. Read- | 0 | Claude Code, Codex, OpenCode | 2 | 10,880 tok |
| harunme/github-star-mcp | 0 | Claude Code, Codex, OpenCode | 2 | 542 tok |
| 84emllc/uptimerobot-mcp 84em.com MCP server for UptimeRobot monitoring API v2 | 0 | Claude Code, Codex, OpenCode | 2 | 612 tok |
| dongnh/matter_webcontrol REST + MCP server bridging Matter smart-home devices and external logical bridges. | 0 | Claude Code | 1 | 1,381 tok |
| elad12390/notification-mcp | 0 | Claude Code, Codex, Gemini CLI, OpenCode | 3 | 1,494 tok |
| silvino-av/mcp-puppeteer | 0 | GitHub Copilot | 1 | 157 tok |
| Flagsmith/flagsmith-mcp | 0 | Claude Code, Codex | 6 | — |
| mitsuru/a2ui-mcp | 0 | Claude Code | 1 | 1,697 tok |
| velum-labs/atlas Open-source data stack discovery — CLI + MCP server that maps your entire data stack into | 0 | Claude Code | 1 | 126 tok |
| thousandmiles/lsp-mcp-server | 0 | GitHub Copilot | 1 | 746 tok |
| willcassell/scorched Simulated stock trading MCP server — daily AI-driven paper trades with P&L and tax trackin | 0 | Claude Code | 1 | 11,985 tok |
| BenjoNX/Legal Serveur MCP pour documents légaux | 0 | Claude Code | 14 | 540 tok |
| thaynam/fatsecret-mcp-server A remote MCP server for the FatSecret nutrition API, deployed on Cloudflare Workers. | 0 | Claude Code | 1 | 909 tok |
| olsonale/todoist-mcp MCP server for Todoist API integration - comprehensive task, project, and label management | 0 | Claude Code | 1 | 1,310 tok |
| maxvoltage/sourcetap SourceTap is an MCP server that lets your AI assistant instantly learn and search any libr | 0 | Codex, OpenCode | 1 | 332 tok |
| bwarzecha/knowledge-server A specialized MCP (Model Context Protocol) server that makes large technical documentation | 0 | Claude Code | 1 | 375 tok |
| tazhate/claude-context-local Local semantic code search MCP server for Claude Code. Zero external APIs. | 0 | Codex, OpenCode | 1 | 333 tok |
| gurezo/mdn-translation-ja-mcp gurezo.github.io MDN Web Docs translation support MCP server | 0 | Claude Code, Codex, Cursor | 6 | — |
| thaimtl/music-lyrics-mcp | 0 | Claude Code | 1 | 524 tok |
| Kalmantic/peakinfer-mcp MCP Server for peak AI inference performance. Use with Claude Desktop and Claude Code. | 0 | Claude Code | 1 | 1,434 tok |