31,986 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 agents7,720Claude Code6,662Data and AI3,665Backend and APIs3,500Languages3,396Planning3,238Git and workflow3,234Code review2,760Testing2,394Memory and context2,365Writing and docs2,333DevOps and cloud2,315Research2,289Frontend2,264Security2,036Project management1,736
All Claude Code31,986 Codex23,463 OpenCode22,407 GitHub Copilot3,565 Gemini CLI1,914 Cursor1,740 Windsurf150 Kiro84
| Project | Stars | Configures | Files | Always loaded |
|---|---|---|---|---|
| Schmalvis/coinbase-mcp-server Coinbase MCP | 0 | Claude Code | 2 | 1,959 tok |
| waalwalker1/regulated-mcp-insurance-deployment Open-source reference architecture for deterministic, auditable insurance quotation workfl | 0 | Claude Code, Codex, OpenCode | 14 | 702 tok |
| elevanaltd/HestAI-MCP | 0 | Claude Code, GitHub Copilot | 6 | 1,187 tok |
| arclabs-studio/ARCLinearGitHub-MCP MCP Server that integrates Linear (issues) and GitHub (repos) for Claude Desktop/Code, enf | 0 | Claude Code | 1 | 1,790 tok |
| openlearnia/OLTestStack MCP server for AI browser testing via Puppeteer/CDP | 0 | Claude Code, Cursor | 6 | — |
| neverprepared/mcp-cloudflare-dns | 0 | Claude Code | 1 | 1,414 tok |
| adam-s/rubiks-cube-mcp | 0 | Claude Code | 9 | — |
| kltng/claude-memory Cross-machine memory system for Claude Code — records sessions as searchable markdown, syn | 0 | Claude Code | 1 | 429 tok |
| alekhya2395/Milestone-3---AI-agent-MCP | 0 | Claude Code, Codex | 1 | — |
| muningis/seo-check-mcp | 0 | Claude Code | 1 | 2,031 tok |
| terraceonhigh/Canvas-MCP-Server | 0 | Claude Code | 1 | 1,901 tok |
| prateekaryann/github-mcp MCP server wrapping GitHub CLI for Claude integration | 0 | Claude Code | 1 | — |
| jlhernando/stitch-bridge MCP server bridging AI coding agents to Google Stitch design platform | 0 | Claude Code | 4 | 1,782 tok |
| ipfans/nano-banana-mcp | 0 | Claude Code | 1 | 295 tok |
| Ahngbeom/mysql-mcp-server | 0 | Claude Code | 1 | 584 tok |
| Novigante/mcp-loyverse A local-first, read-only MCP server for the Loyverse API (stdio) that lets AI assistants q | 0 | Claude Code | 1 | 804 tok |
| Kinolian1107/mcp-phison-email mcp-phison-email | 0 | Claude Code | 1 | 1,104 tok |
| Raghu23-dev/trigsight trigsight.vercel.app Portfolio with an AI assistant that cannot make a claim it can't prove — every citation is | 0 | Claude Code, Codex, OpenCode | 2 | 159 tok |
| wesbragagt/quack-mcp A powerful csv file data analyzer powered by Duckdb | 0 | Claude Code | 1 | 3,060 tok |
| niallr12/engineering-knowledge-mcp | 0 | Claude Code | 1 | 200 tok |
| assebler-grkha/VE-MCP | 0 | Claude Code, Codex, OpenCode | 3 | 1,074 tok |
| jsilvanus/personal-repo-mcp Personal repo MCP - taking load of GithubMCP to your own VPS and only pushing when done | 0 | Claude Code | 1 | 2,220 tok |
| avtechno-era/plane-mcp-server MCP server for self-hosted Plane (Community Edition) - lets an LLM act as a project manage | 0 | Claude Code | 1 | — |
| hlucent/airkorea-realtime-mcp Air quality forecast notifications, weekly ultrafine dust forecasts, high-concentration ul | 0 | Claude Code | 1 | 2,847 tok |
| revenium/revenium-mcp MCP server for Revenium - AI cost tracking, alerting, and usage-based billing | 0 | Claude Code | 10 | — |
| DrZeD-13/test-mcp-db | 0 | Claude Code, Cursor | 12 | — |
| sebahrens/bpmn-mcp | 0 | Claude Code, Codex, OpenCode | 4 | 1,526 tok |
| devasur/eve-mcp-handshake-repro Minimal reproduction: one eve MCP tool call costs six HTTP requests (vercel/eve) | 0 | Claude Code, Codex, OpenCode | 2 | 686 tok |
| fix-a-lot/crawl4ai-local-for-windows Crawl4ai local MCP server for Windows(no WSL) | 0 | Claude Code, Codex, OpenCode | 2 | 20 tok |
| kenta8813/llm-battle api with mcp based llm text battle game | 0 | Claude Code | 1 | 1,428 tok |
| puran-water/anaerobic-design-mcp Consolidated into PuranOS — see github.com/puran-water/puranos-public | 0 | Claude Code | 1 | 4,863 tok |
| astroicers/security-weekly-mcp MCP Server-based cybersecurity weekly report system — integrates 32 international and Taiw | 0 | Claude Code, Codex, OpenCode | 4 | 2,130 tok |
| Drewraw/prunetool-mcp-terminal--CLI Persistent project context across LLMs and coding agents | 0 | Claude Code | 2 | 151 tok |
| mohhh-ok/chord-player-mcp MCP server for playing chord progressions via MIDI/WAV | 0 | Claude Code | 1 | 594 tok |
| loukach/stock-api-mcp-poc POC of MCP Server to interact with stock-api | 0 | Claude Code | 1 | 2,384 tok |
| tone-task/mcp | 0 | Claude Code | 1 | 737 tok |
| baspenny/harvest-mcp MCP server for Harvest time tracking API | 0 | Claude Code | 1 | 840 tok |
| Homoney/Google-Calendar-MCP-Server | 0 | Claude Code | 1 | 1,218 tok |
| paione-ai/kie-ai-mcp MCP Server for AI media generation (images, videos, audio) via kie.ai — 99 models, stdio + | 0 | Claude Code | 1 | 143 tok |
| enzomotta/temporal-mcp-server MCP server for observing and managing Temporal workflows | 0 | Claude Code | 1 | 1,461 tok |
| niradler/mcp-conductor | 0 | Claude Code | 1 | 1,911 tok |
| w21180239/mcp-outlook-lite Production-grade MCP server for Microsoft Outlook — email, calendar, attachments, SharePoi | 0 | Claude Code, Codex, OpenCode | 2 | 768 tok |
| GhostTypes/desktop-notification-mcp MCP server that allows agents to send desktop notifications | 0 | Claude Code | 2 | 1,964 tok |
| conekta/redash-mcp-server | 0 | Claude Code | 1 | 771 tok |
| sobek34/dexcom-mcp | 0 | Claude Code | 1 | 663 tok |
| artemartemov/docs-mcp Secure Model Context Protocol (MCP) server providing intelligent documentation search for | 0 | Claude Code | 1 | 2,650 tok |
| nicstark/motion-mcp-server-01 | 0 | Claude Code, Codex, OpenCode | 2 | 2,173 tok |
| trdillman/blender-computer-use-vm Isolated GPU-partitioned Hyper-V VM & MCP Server for automated Blender 5.2 UI testing and | 0 | Claude Code | 3 | 1,494 tok |
| agrica/elasticsearch7-mcp Elasticsearch 7 MCP server | 0 | Claude Code | 1 | 10,416 tok |
| DoubleGremlin181/potluck Personal Knowledge Database MCP server - Personalize your AI with Google Takeout and GDPR | 0 | Claude Code | 2 | 1,275 tok |