43,636 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 agents7,571Claude Code6,627Data and AI3,684Backend and APIs3,492Languages3,401Planning3,221Git and workflow3,179Code review2,740Testing2,368Memory and context2,365Writing and docs2,309DevOps and cloud2,308Research2,298Frontend2,256Security2,015Productivity1,715
All Claude Code31,984 Codex23,196 OpenCode22,145 GitHub Copilot3,551 Gemini CLI1,917 Cursor1,736 Windsurf133 Kiro79
| Project | Stars | Configures | Files | Always loaded |
|---|---|---|---|---|
| adityaarsharma/librecrawl-technical-seo-audit-mcp The AI-native technical SEO crawler. Open-source MCP server for Claude / Cursor / Codex — | 40 | Claude Code | 1 | — |
| SShadowS/business-central-mcp MCP server for Microsoft Dynamics 365 Business Central via reverse-engineered WebUI protoc | 40 | Claude Code | 2 | 7,662 tok |
| buriedsignals/spotlight spotlight.buriedsignals.com OSINT investigation orchestrator for journalists — structured briefs, methodology approval | 40 | Codex, OpenCode | 1 | 5,045 tok |
| caravanglory/cocos-mcp-server AI MCP server plugin for Cocos Creator 3.8.x, enabling AI assistants to directly control t | 40 | Claude Code | 1 | 971 tok |
| CheshireMew/meta-skills Create, refactor, audit, migrate, and validate Codex agent skills | 40 | Codex, OpenCode | 1 | 641 tok |
| bparlan/omp-agent OhMyPi (OMP) Agent Framework Spec-Driven Development infrastructure for Oh My Pi. Skills t | 40 | Codex, OpenCode | 1 | 1,551 tok |
| barryw/PaperlessMCP A Model Context Protocol (MCP) server for Paperless-ngx document management | 40 | Claude Code | 1 | 1,119 tok |
| NikiforovAll/pi-inspect nikiforovall.blog Introspection dashboard for the pi coding agent — tools, prompts, skills, and the system p | 40 | Claude Code, Codex, OpenCode | 2 | 196 tok |
| jovaneyck/fsi-mcp-server A wrapper around F# interactive (fsi) that exposes an MCP server endpoint for AI agents al | 40 | Claude Code | 3 | 813 tok |
| getsentry/plausible-mcp MCP server for Plausible Analytics — query traffic, conversions, and compare periods from | 40 | Claude Code, Codex, OpenCode | 2 | 268 tok |
| Jer-y/copilot-proxy jer-y.github.io Turn GitHub Copilot into an OpenAI/Anthropic-compatible server with Claude Code and Codex | 40 | Codex, OpenCode | 1 | 2,805 tok |
| noontide-co/mainbranch mainbranch.run Files-first operating system for internet businesses: research, decisions, bets, pushes, a | 40 | Claude Code, Codex, OpenCode | 18 | 5,175 tok |
| agentgram/agentgram agentgram.co Open-source AI agent social network built with Next.js + Supabase. Self-hostable, cryptogr | 40 | Claude Code | 1 | 4,467 tok |
| ForLegalAI/mcp-ms-office-documents MCP server providing tools to create Ms Office documents like presentations, emails, sprea | 40 | Claude Code, Codex, OpenCode | 2 | 1,665 tok |
| scarletkc/Perenna pypi.org A lightweight, Git-backed permanent memory for AI agents. | 40 | Codex, OpenCode | 1 | 1,347 tok |
| Wolfe-Jam/faf-cli faf.one The context every AI coding agent reads — authors AGENTS.md, CLAUDE.md, GEMINI.md & .curso | 40 | Claude Code, Codex, GitHub Copilot, Cursor, Gemini CLI, OpenCode | 5 | 1,936 tok |
| norahe0304-art/30x-mckinsey-research-deck norahe0304-art.github.io McKinsey-grade market research decks for Claude Code — adversarially verified numbers, 15 | 40 | Claude Code | 1 | 275 tok |
| microsoft/agent365-skills AI coding skills for Microsoft Agent 365 — transform agents into AI Teammates with Teams h | 40 | Claude Code, Codex, GitHub Copilot, OpenCode | 3 | 20,855 tok |
| amanning3390/hermeshub hermeshub.vercel.app HermesHub - The Skills Hub for Hermes Agent by Nous Research. Browse, share, and install c | 40 | Codex, OpenCode | 1 | 2,896 tok |
| entireio/external-agents ⚙️ This repository contains standalone external agent binaries that extend the Entire CLI | 40 | Claude Code, Codex, OpenCode | 10 | 478 tok |
| shinyobjectz/montology Design-system and vocabulary drift, enforced. Tailwind themes become law, rogue values get | 40 | Claude Code | 4 | 483 tok |
| mike-coulbourn/claude-vibes | 40 | Claude Code | 1 | 2,771 tok |
| mendix/web-widgets marketplace.mendix.com Mendix Platform supported widgets and modules for web | 40 | Claude Code, Codex, GitHub Copilot, OpenCode | 45 | 4,389 tok |
| blpsoares/agentistics agentistics.openvibes.tech | 40 | Claude Code, Codex, OpenCode | 8 | 1,346 tok |
| cybergarage/go-matter | 40 | GitHub Copilot, Gemini CLI | 2 | 1,723 tok |
| igorls/context-builder | 40 | Codex, OpenCode | 1 | 2,324 tok |
| forever-healthy/AI4L forever-healthy.org AI for Practical Longevity (AI4L) - Enabling anyone to use AI to generate high-quality, ev | 40 | Claude Code, Codex, Gemini CLI, OpenCode | 10 | 1,635 tok |
| dogsinatas29/SYNAPSE Architecture Visibility Platform for Large Software Systems | 40 | Gemini CLI | 1 | 18,230 tok |
| sushichan044/cc-hooks-ts npmjs.com Define Claude Code hooks with full type safety. | 39 | Claude Code, Codex, GitHub Copilot, OpenCode | 37 | 1,322 tok |
| voxel51/fiftyone-skills | 39 | Codex, OpenCode | 1 | 6,088 tok |
| atlanhq/agent-toolkit docs.atlan.com Atlan AI Agent Toolkit | 39 | Claude Code | 1 | 678 tok |
| mrkooblu/semrush-mcp A Model Context Protocol (MCP) server implementation that provides tools for accessing Sem | 39 | Claude Code | 2 | 920 tok |
| truss44/mcp-crypto-price A Model Context Protocol (MCP) server that provides real-time cryptocurrency analysis via | 39 | Codex, OpenCode | 1 | 391 tok |
| ninemindai/agentgem agentgem.ai Own the goldmine of how you get AI to deliver. AgentGem distills your coding-agent session | 39 | Claude Code | 3 | 1,845 tok |
| Fromsko/siyuan-mcp-server Model Context Protocol server providing Siyuan Notes integration for Claude Desktop | 39 | Codex, OpenCode | 1 | 758 tok |
| ghostwright/specter ghostwright.dev Deploy AI agents to dedicated VMs in 90 seconds. Interactive TUI. Automatic DNS and TLS. Y | 39 | Claude Code | 1 | 1,884 tok |
| CarbonoDev/tailwindcss-mcp-server MCP server for TailwindCSS utility classes, documentation, and project assistance | 39 | Claude Code | 1 | 581 tok |
| david-strejc/laskobot Enhanced MCP server for browser automation with improved element selection, tab management | 39 | Claude Code | 1 | 1,080 tok |
| dsebastien/whatsapp-claude-agent Bridge WhatsApp with Claude Code - interact with your files via WhatsApp messages | 39 | Claude Code, Codex, OpenCode | 2 | 1,027 tok |
| toolprint/awesome-mcp-personas toolprint.ai A curated collection of persona-based mcp server & tool groupings. | 39 | Claude Code | 2 | 883 tok |
| openclix/openclix openclix.ai Open-source, local-first mobile app retention and engagement automation with agent-driven | 39 | Claude Code, Codex, OpenCode | 2 | 821 tok |
| IJONIS/geo-lint ijonis.com The first open-source GEO linter. 92 rules for SEO, GEO, and content quality — built for A | 39 | Claude Code | 1 | 2,571 tok |
| kumo-ai/kumo-coding-agent kumo.ai Kumo Coding Agent — context docs, skills, and self-maintenance for building ML models with | 39 | Claude Code, Codex, OpenCode | 4 | 2,352 tok |
| Katagiri-Hoshino-Lab/VibeCodeHPC CLI-based multi-agents for Auto-Tuning (e.g. HPC code optimazation loops) supporting Local | 39 | Claude Code | 1 | 1,693 tok |
| pentoai/ml-ralph Autonomous ML agent for running experiments using Claude. | 39 | Claude Code | 2 | 770 tok |
| theFong/mmoney-cli CLI for Monarch Money - access your financial data from the command line. Built for agents | 39 | Claude Code | 1 | — |
| umbraco/Umbraco-CMS-MCP-Dev | 39 | Claude Code | 17 | 1,737 tok |
| bsmi021/mcp-file-context-server A Model Context Protocol (MCP) server that provides file system context to Large Language | 39 | Claude Code | 3 | 835 tok |
| FerroxLabs/wayland-core getwayland.com Multi-provider AI agent CLI written in Rust | 39 | Claude Code, Codex, GitHub Copilot, Gemini CLI, OpenCode | 4 | 9,106 tok |
| digitarald/vscode-agent-todos marketplace.visualstudio.com Gives VS Code agent mode planning superpowers with dynamic todo lists | 39 | Claude Code, GitHub Copilot | 2 | 5,384 tok |