1,908 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 agents7,473Claude Code6,589Data and AI3,693Backend and APIs3,491Languages3,403Planning3,201Git and workflow3,131Code review2,731Memory and context2,354Testing2,335DevOps and cloud2,298Research2,288Writing and docs2,284Frontend2,242Security1,995Productivity1,703
All Claude Code32,066 Codex23,211 OpenCode21,984 GitHub Copilot3,528 Gemini CLI1,908 Cursor1,730 Windsurf104 Kiro70
| Project | Stars | Configures | Files | Always loaded |
|---|---|---|---|---|
| tingyiy/atlassian-mcp-server An open-source Model Context Protocol (MCP) server for Atlassian Jira and Confluence Cloud | 2 | Claude Code, Gemini CLI | 2 | 2,292 tok |
| xilu0/awesome-claude-code claude-code-academy-gamma.vercel.app A repo that collects awsome learning materials/tools for Calude Code developers, aiming at | 2 | Claude Code, Gemini CLI | 3 | 1,125 tok |
| Ant-Intelligence/awesome-claude-code academy.claude-code.club A repo that collects awsome learning materials/tools for Calude Code developers, aiming at | 2 | Claude Code, Gemini CLI | 3 | 1,102 tok |
| chefallan/awesome-context-engine chefallan.github.io Portable repo memory for AI coding agents. Keeps context current across Copilot, Claude, C | 2 | Claude Code, Codex, GitHub Copilot, Gemini CLI, OpenCode | 4 | 1,001 tok |
| zkoss-demo/agent-skill zk related agent skills | 2 | Claude Code, Gemini CLI | 2 | 727 tok |
| ThiagoEvoa/agent_skills A repository contains a collection of custom agent skills | 2 | Gemini CLI | 1 | 1,399 tok |
| felipeblassioli/agent-skills skills.sh My personal official collection of agent skills, react ones forked from vercel | 2 | Claude Code, Codex, GitHub Copilot, Gemini CLI, OpenCode | 11 | 4,277 tok |
| hamzaMissewi/agent-skills | 2 | Claude Code, Codex, Gemini CLI, OpenCode | 11 | 1,942 tok |
| nucliweb/gemini-agent-skills An orchestration framework for specialised deterministic AI agents in Chrome DevTools. Imp | 2 | Gemini CLI | 1 | 459 tok |
| weijunswj/ai-agent-toolkit weijunswj.notion.site AI Agent Toolkit plugin for AI-assisted coding governance, tools and skills. | 2 | Claude Code, Codex, Gemini CLI, OpenCode | 3 | 5,642 tok |
| ihistand/claude-plugins | 2 | Claude Code, Gemini CLI | 2 | 2,293 tok |
| afaizalam2003/Master-claude-skill A comprehensive open-source collection of 220+ production-ready skills, agent plugins, and | 2 | Gemini CLI | 187 | — |
| hkopenai/hk-city-mcp-server This is an MCP server that provides access to government city data through a FastMCP inter | 2 | Gemini CLI | 1 | 142 tok |
| hkopenai/hk-election-mcp-server This is an MCP server that provides access to government election and legislature data thr | 2 | Gemini CLI | 1 | 77 tok |
| SachieWang/java-jdtls-mcp-server MCP Server for Java using JDT.LS | 2 | Gemini CLI | 1 | 542 tok |
| utenadev/strudel-mcp Model Context Protocol integration for Strudel live coding environment | 2 | Gemini CLI | 1 | — |
| JulianKimmig/agile_mcp | 2 | Gemini CLI | 1 | 22 tok |
| dirien/pulumi-events MCP server for managing events on Meetup.com via AI assistants | 2 | Claude Code, Codex, Gemini CLI, OpenCode | 4 | 2,549 tok |
| ilyautov/moysklad-mcp-ru moysklad-mcp-ru.aifrontier.tech MCP server for MoySklad (JSON API 1.2): inventory, products, orders, documents, reports, a | 2 | Codex, Gemini CLI, OpenCode | 2 | 1,190 tok |
| densuke/fuga-memory Long-term memory MCP server for Claude Code and other LLMs | 2 | Claude Code, Codex, GitHub Copilot, Gemini CLI, OpenCode | 4 | 1,720 tok |
| comicchang/iitc-mcp IITC MCP Bridge — bridge between Ingress Intel (IITC) and Model Context Protocol agents | 2 | Claude Code, Codex, Gemini CLI, OpenCode | 3 | 674 tok |
| tomohiro-owada/google-workspace-mcp MCP server for Google Workspace APIs (Calendar, Gmail, Drive, Docs, Sheets, Slides, Chat) | 2 | Gemini CLI | 1 | 257 tok |
| jrb00013/mailnotmilk Shared agent mailbox MCP — Cursor, Claude Code, and friends post/read/reply across session | 2 | Claude Code, Codex, Gemini CLI, OpenCode | 5 | 342 tok |
| universal-mcp/applications | 2 | Claude Code, Codex, Gemini CLI, OpenCode | 3 | 9,414 tok |
| bigwolfeman/Document-MCP | 2 | Claude Code, Gemini CLI | 11 | 3,852 tok |
| dinglebear-ai/rytdl npmjs.com Rust MCP server and CLI for yt-dlp media search/downloads, metadata tagging, transfer queu | 2 | Claude Code, Codex, Gemini CLI, OpenCode | 4 | 3,626 tok |
| bekservice/Famulor-Skill famulor.io A powerful Famulor skill for seamless integration and automation of the Famulor AI platfor | 2 | Gemini CLI | 1 | 92 tok |
| khaoss85/agent-crm accordo.dev Accordo — agent-native CRM framework for Claude Code, Codex and Gemini CLI. Author custom | 2 | Claude Code, Codex, Gemini CLI, OpenCode | 15 | 4,526 tok |
| SecretRichGarden/metasota-API-MCP An MCP based on the Meta Search API, with the native chat feature removed because the offi | 2 | Codex, Gemini CLI | 2 | 474 tok |
| Doucs91/hivelore Policy enforcement layer for AI coding agents — briefing gates, team memory, Git/CI checks | 2 | Claude Code, Codex, GitHub Copilot, Cursor, Gemini CLI, OpenCode, Windsurf | 6 | 8,446 tok |
| DespotB/handelsregister-cli Search the German commercial register (Handelsregister) and download all registry document | 2 | Claude Code, Codex, Gemini CLI, OpenCode | 3 | 1,057 tok |
| adammatthewsteinberger/clippy-pet adammatthewsteinberger.github.io Unofficial animated paperclip pet for the ChatGPT desktop app & Codex CLI. 9 animations, 1 | 2 | Claude Code, Codex, Gemini CLI, OpenCode | 5 | 2,330 tok |
| firstsun-dev/skills Modular AI agent skill arsenal for Gemini CLI and Claude Code | 2 | Claude Code, Codex, Gemini CLI, OpenCode | 3 | 1,489 tok |
| Fred-In-tech/learn-as-you-build Stop shipping code you can't explain. An AI coding assistant that teaches while it works — | 2 | Claude Code, Codex, Gemini CLI, OpenCode | 3 | 2,658 tok |
| rhyme17/ai-study-workflow AI-assisted active recall workflow for university learning, final exam review, course PDFs | 2 | Claude Code, Codex, Gemini CLI, OpenCode | 3 | 537 tok |
| oaslananka/health-monitor-mcp TypeScript MCP server for service health monitoring, status checks, uptime probes, and ope | 2 | Claude Code, Codex, GitHub Copilot, Gemini CLI, OpenCode | 7 | 2,927 tok |
| FradSer/mcp-server-git-cz | 2 | Gemini CLI | 1 | 202 tok |
| nadimtuhin/antigravity-cli-mcp CLI MCP server for antigravity tooling | 2 | Claude Code, Codex, Cursor, Gemini CLI, OpenCode | 7 | 1,688 tok |
| ormastes/simple | 1 | Claude Code, Codex, Gemini CLI, OpenCode | 83 | 11,207 tok |
| studioinfj-art/stoners-design 51 portable design skills and a searchable MCP for Codex, Claude, Gemini, Copilot, Cursor, | 1 | Gemini CLI | 1 | 63 tok |
| dinglebear-ai/soma soma.dinglebear.ai Batteries-included RMCP runtime and scaffold for shipping Rust MCP servers with CLI/REST/H | 1 | Claude Code, Codex, Gemini CLI, OpenCode | 4 | 6,471 tok |
| Roop-World/LegalSearch Agent kit and MCP Registry metadata for Roop LegalSearch, a public Indian legal search MCP | 1 | Claude Code, Codex, Gemini CLI, OpenCode | 3 | 303 tok |
| Tempguru-co/tempguru-agent-skills tempguru.co W-2 event staffing data for AI agents — coverage, rates, lead times, and compliance for 30 | 1 | Codex, Gemini CLI, OpenCode | 2 | 915 tok |
| ravidorr/murphys-laws | 1 | Claude Code, Gemini CLI | 3 | 1,062 tok |
| zaxarovcom/thisispaper-mcp thisispaper.com Thisispaper is an independent art, architecture and design publication. Every project in t | 1 | Gemini CLI | 1 | 277 tok |
| Lawstronaut-FZCO/lawstronaut-mcp Connect your AI to millions of laws and court cases! Lawstronaut is the infrastructure lay | 1 | Gemini CLI | 1 | 99 tok |
| octoparse/octoparse-mcp Official Octoparse MCP server for AI-powered web scraping workflows. | 1 | Claude Code, Codex, Gemini CLI, OpenCode | 3 | 5,701 tok |
| celineycn/quantdata-plugin quantdata.uk Measured market statistics over MCP — remote server at https://api.quantdata.uk/mcp, no AP | 1 | Gemini CLI | 1 | 7,478 tok |
| AgentTanuki/agent-guild agent-guild-5d5r.onrender.com The trust + settlement layer for AI agents — discover, vet, pay, and build portable reputa | 1 | Codex, Gemini CLI, OpenCode | 2 | 2,238 tok |
| Asthanaji05/MCP_Pokemon The PokeAPI MCP Server acts as a bridge, allowing AI assistants to fetch and utilize compr | 1 | Gemini CLI | 1 | 264 tok |