43,761 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 agents7,699Claude Code6,660Data and AI3,668Backend and APIs3,501Languages3,399Planning3,231Git and workflow3,226Code review2,759Testing2,389Memory and context2,368Writing and docs2,333DevOps and cloud2,313Research2,290Frontend2,267Security2,038Project management1,731
All Claude Code31,986 Codex23,430 OpenCode22,372 GitHub Copilot3,564 Gemini CLI1,915 Cursor1,742 Windsurf150 Kiro84
| Project | Stars | Configures | Files | Always loaded |
|---|---|---|---|---|
| philipithomas/ghost-mcp mcp.contraption.co An experimental MCP server for Contraption Company essays | 1 | Codex, OpenCode | 1 | 619 tok |
| NimbleBrainInc/mcp-ipinfo MCP server for IPInfo API - IP geolocation, ASN lookup, privacy detection, and domain inte | 1 | Claude Code | 1 | 994 tok |
| AriEncarnacion/dnd-mcp dnd mcp server | 1 | Claude Code | 1 | 4,699 tok |
| Knuckles-Team/archivebox-api ArchiveBox API and MCP Server | 1 | Claude Code, Codex, OpenCode | 2 | 3,524 tok |
| jenova-marie/keyboard-shortcuts-mcp | 1 | Claude Code | 1 | 760 tok |
| jenova-marie/iris-mcp | 1 | Claude Code | 5 | 2,413 tok |
| JoschuaSchneider/masterplan Minimal MCP for project-local plan files, integrated into /grill-me | 1 | Claude Code | 1 | 666 tok |
| quanticsoul4772/bear-mcp MCP server for reading Bear notes | 1 | Claude Code | 1 | 1,164 tok |
| Piesson/ChillMCP MCP server for Anthropic Hackerthon (November, 2025) | 1 | Claude Code | 1 | 30 tok |
| MGS-sails/mgnify-mcp - MGnify MCP Server implements the Model Context Protocol to expose MGnify’s metagenomic | 1 | Claude Code | 1 | — |
| guyeyouhun/auto-knowledge-base Autonomous knowledge base system based on the MCP protocol, providing intelligent knowledg | 1 | Claude Code | 1 | 1,020 tok |
| phkus/craft-mcp | 1 | Claude Code | 1 | 3,831 tok |
| ltcg-addict/ubuntu A MCP server for interacting with a ubuntu VM. | 1 | Gemini CLI | 1 | 421 tok |
| ivo-toby/contentful-mcp-graphql MCP Server to enable LLM's to connect to the Contentful GraphQL Endpoints | 1 | Claude Code | 1 | 296 tok |
| mintmcqueen/gemini-mcp | 1 | Claude Code | 1 | 7,786 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 |
| altuslabsxyz/altus-commonware-research-mcp Altus Commonware Research MCP | 1 | Claude Code | 1 | 1,129 tok |
| berthojoris/katcoder-mysql-mcp | 1 | Codex, OpenCode | 1 | 90 tok |
| minami110/mcp-gdscript | 1 | Claude Code | 1 | 1,393 tok |
| hnkatze/PrimeNG_MCP MCP server providing PrimeNG component documentation as tools for AI assistants — query pr | 1 | Claude Code | 1 | 3,180 tok |
| L-x-C/cc-multi-process-mcp A FastMCP-based multi-process execution server for Claude Code that provides asynchronous | 1 | Claude Code | 1 | 1,326 tok |
| NorthSeacoder/fe-testgen-mcp | 1 | Claude Code | 1 | 3,421 tok |
| aYon1997/health-reminder-mcp An MCP-based health reminder system that periodically displays notifications reminding you | 1 | Cursor | 1 | 266 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 |
| woodstocksoftware/question-bank-mcp MCP server that helps teachers create and manage test questions with Claude | 1 | Claude Code | 1 | 1,362 tok |
| modellers/mcp-consigncloud Consigncloud MCP | 1 | Claude Code | 1 | 2,048 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 |
| lumberjack-so/joeMCP MCP server for JoeAPI construction management - configurable via JOEAPI_BASE_URL | 1 | Claude Code | 1 | 1,662 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 |
| Joopsnijder/personal-memory-mcp Personal Memory MCP Server with hierarchical data structure for Claude Desktop integration | 1 | Claude Code | 1 | 1,272 tok |
| andrewconnell/senja-mcp MCP server for the Senja testimonial API | 1 | Claude Code | 1 | 470 tok |
| kbadinger/ticktickmcp modelcontextprotocol.io 🤖 Manage TickTick tasks with Claude Desktop via MCP. Natural language task creation + Pyt | 1 | Claude Code | 1 | 1,738 tok |
| alejoair/mcp-terminal MCP Terminal Server - Interactive terminal sessions via Model Context Protocol | 1 | Claude Code | 1 | 1,004 tok |
| yashagldit/mysql-mcp-webui | 1 | Claude Code | 1 | 4,354 tok |
| abl030/slskd-mcp AI-generated MCP server for slskd (Soulseek client) — 70 paths, 93 operations | 1 | Claude Code | 1 | 2,831 tok |
| nickweedon/playwright-proxy-mcp A MCP facade around https://github.com/microsoft/playwright-mcp | 1 | Claude Code | 5 | 2,746 tok |
| abd3lraouf/specter-mcp KMM Diagnostic & Execution Engine - MCP server for AI agents working with Kotlin Multiplat | 1 | Claude Code | 1 | 800 tok |
| andytango/puppeteer-mcp MCP Server for Puppeteer | 1 | Claude Code, Gemini CLI | 2 | 12 tok |
| nxxxsooo/mcp-server-wechat-mp MCP Server for WeChat Official Account (微信公众号) | 1 | Codex, OpenCode | 1 | 717 tok |
| nilsir/mcp-server-mysql MCP server for MySQL database operations - query, execute, schema management with permissi | 1 | Claude Code | 1 | 811 tok |
| wminson/copilot-mcp-server | 1 | Gemini CLI | 1 | 392 tok |
| Opti-kjh/palette | 1 | Claude Code, Cursor | 2 | 2,938 tok |
| datamoc/WFmcp Wealthfolio MCP | 1 | Claude Code | 1 | 1,603 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 |
| ifoundry/engineering-standards-mcp Model Context Protocol (MCP) server for managing engineering standards, practices, and pro | 1 | GitHub Copilot | 1 | 530 tok |
| Duds/accessibility-mcp An MCP for testing, evaluating and auditing website accessibility. | 1 | Claude Code, Cursor | 5 | — |
| nntkio/unifiMCP | 1 | Claude Code | 1 | 1,275 tok |