43,652 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 agents7,588Claude Code6,636Data and AI3,676Backend and APIs3,496Languages3,402Planning3,219Git and workflow3,187Code review2,745Testing2,374Memory and context2,364DevOps and cloud2,310Writing and docs2,309Research2,295Frontend2,261Security2,021Productivity1,715
All Claude Code31,998 Codex23,222 OpenCode22,170 GitHub Copilot3,550 Gemini CLI1,918 Cursor1,738 Windsurf137 Kiro80
| Project | Stars | Configures | Files | Always loaded |
|---|---|---|---|---|
| a-25/ios-mcp-code-quality-server This server enables AI assistants to run Xcode tests, perform linter analysis, and provide | 10 | GitHub Copilot | 1 | 1,476 tok |
| hjsh200219/korea-public-data-mcp A Korean public data MCP (Model Context Protocol) server. Integrates APIs from the Ministr | 10 | Claude Code, Codex, Cursor, OpenCode | 3 | 3,125 tok |
| fugle-dev/fugle-mcp-server | 10 | Claude Code | 1 | 595 tok |
| Legorobotdude/yt-analysis-mcp MCP server for YouTube video analysis using Gemini API | 10 | Claude Code | 1 | 741 tok |
| EgorKurito/apple-calendar-mcp | 10 | Claude Code | 1 | 890 tok |
| elgatosf/elgato-mcp-server A Model Context Protocol (MCP) server that provides automation capabilities with Elgato ap | 10 | Claude Code | 1 | 962 tok |
| pvoo/bigquery-mcp Practical MCP server for large BigQuery datasets. Supports vector search. Keep LLM context | 10 | Claude Code | 2 | 1,465 tok |
| thomaswitt/mcp-agents npmjs.com MCP server that wraps the Claude Code and Gemini CLI so any MCP client (e.g. codex) can ca | 10 | Claude Code, Codex, OpenCode | 2 | 2,889 tok |
| nic01asFr/QgisStreamMCP QGIS Desktop as an MCP Server — Full GUI via noVNC, PyQGIS scripting, 1000+ Processing alg | 10 | Claude Code | 1 | 2,355 tok |
| RS-Nocsi/codex-cua-mcp MCP server wrapping Codex Computer Use — bring Codex Computer Use to any MCP-compatible ag | 10 | Claude Code | 1 | 928 tok |
| Sqcows/forgejo-mcp A Model Context Protocol (MCP) server for Forgejo and Gitea instances. Provides 103 tools | 10 | Claude Code | 1 | 1,025 tok |
| blindpaylabs/blindpay-mcp blindpay.com BlindPay's MCP Server. | 10 | Claude Code | 1 | 1,604 tok |
| henryiii/skills Some agent skills that are useful for coding. | 10 | Codex, OpenCode | 1 | 381 tok |
| serkanhaslak/meta-mcp Comprehensive Meta Ads MCP Server — 77 tools for full campaign lifecycle management | 10 | Claude Code | 2 | 1,724 tok |
| alexsmirnov/obsidian-second-brain-mcp | 10 | Claude Code, Codex, GitHub Copilot, OpenCode | 3 | 286 tok |
| exiao/pm-skills Skills for the whole product R&D process: strategy, UXR, PM, design, QA, launch. For Claud | 10 | Codex, OpenCode | 1 | 845 tok |
| lvcoi/solidJSkills A repo intended to be an mcp server for SolidJS Agentic Skills | 10 | Codex, Gemini CLI, OpenCode | 2 | 534 tok |
| sinch/skills sinch.com AI agent skills for Sinch communication APIs. Get expert guidance on getting started, best | 10 | Claude Code, Codex, OpenCode | 2 | 2,639 tok |
| stackhawk/stackhawk-mcp | 10 | Claude Code | 1 | 1,055 tok |
| aibtcdev/skills aibtc.com AI agent skills for Bitcoin, Stacks, and DeFi operations | 10 | Claude Code | 1 | 2,840 tok |
| CometWorks/skills Skill library for Space Engineers plugin, mod and in-game script development. Usable with | 10 | Codex, GitHub Copilot, OpenCode | 2 | 218 tok |
| zuoyou12/longzu.skillls Jiangnan × Fenghuo Xizhuhou style distillation Agent Skills (universal for Claude Code/Cod | 10 | Codex, OpenCode | 1 | 629 tok |
| aoreshkov/kotlin-lib-mcp MCP server: gives your AI agent the real sources, public API and KDoc of any Maven/Gradle- | 10 | Claude Code | 13 | 3,097 tok |
| ChanMeng666/archlang archlang.uk 【Star us! ⭐】 A declarative language that compiles to professional SVG floor plans — like T | 10 | Claude Code, Codex, OpenCode | 8 | 26,700 tok |
| maojiebc/majia-chatcut-koubo clawhub.ai ChatCut voiceover · Practical production edition｜v1.6.0 Reliable one-sentence editing and | 10 | Codex, OpenCode | 1 | 524 tok |
| a275618631/codex-antigravity-collaboration a275618631.github.io Reference architecture and working case study for Codex × Antigravity agent-runtime collab | 10 | Codex, OpenCode | 1 | 216 tok |
| grimoire-rs/grimoire grimoire.rs Package manager for AI-agent config. grim installs, updates, and publishes skills, rules, | 10 | Claude Code, Codex, OpenCode | 9 | 4,196 tok |
| 3aKHP/prts-mcp MCP Server for Arknights PRTS Wiki and local game data | 10 | Claude Code, Codex, OpenCode | 2 | 7,121 tok |
| cristianoaredes/mcp-dadosbr 🤖 Model Context Protocol (MCP) server for Brazilian public data lookup - Company (CNPJ) a | 10 | Claude Code, GitHub Copilot | 2 | 3,843 tok |
| RoxyAPI/astrology-ai-chatbot roxyapi.com Open source AI astrology chatbot. Vedic kundli, Western charts, BaZi, feng shui, tarot, nu | 10 | Codex, OpenCode | 1 | 2,082 tok |
| dimitrovakulenko/dwg-mcp-server dmytro-prototypes.net DWG file format access for AI via MCP. Connect DWG files to Claude, ChatGPT, Codex, Cursor | 10 | Codex, OpenCode | 1 | 1,526 tok |
| aaif/community-events | 10 | Claude Code, Codex, OpenCode | 2 | 2,149 tok |
| conversun/cliproxy-plugin-opencode-cloak CLIProxyAPI request_interceptor plugin: cloaks opencode CLI requests as official Claude Co | 10 | Codex, OpenCode | 1 | 1,763 tok |
| arc-mcp/arc1-adt-abap-mcp-ext Eclipse plugin that wakes SAP's dormant ADT MCP server and contributes extra read-only ABA | 10 | Claude Code | 1 | 4,018 tok |
| EricAndrechek/Pacer ericandrechek.github.io Native macOS app for tracking Claude Code usage — tokens, cost, rate-limit pacing, per-pro | 10 | Claude Code, Codex, OpenCode | 2 | 12,177 tok |
| eugeniughelbur/agents-md eugeniughelbur.github.io Generate and safely maintain AGENTS.md, the cross-tool standard for AI coding agents. Non- | 10 | Claude Code, Codex, OpenCode | 2 | 1,012 tok |
| PLUG-OpenAPI/nhplug-sdk nhplug.com NH Investment & Securities PLUG Open API Python SDK — samples, stock master parser, and AI | 10 | Codex, OpenCode | 1 | 5,695 tok |
| stag-build/phonebook stag-build.github.io The StoryBook for native mobile applications | 10 | Claude Code | 4 | 235 tok |
| conorbronsdon/gws-mcp-server conorbronsdon.com Curated MCP server for Google Workspace: Gmail, Calendar, Drive, Sheets, Docs, and Tasks v | 10 | Claude Code | 1 | 512 tok |
| SEI-Pro/mcp-seipro | 10 | Claude Code | 1 | 6,550 tok |
| RonMizrahi/sdlc-graph-engineering Turn any multi-step process into a guarded graph a machine can actually execute — typed no | 10 | Claude Code | 1 | 896 tok |
| Ferousco-dev/ilana A software engineering process operating system for coding agents. 11 phases, 9 gates, 13 | 10 | Codex, OpenCode | 1 | 1,735 tok |
| cskiro/claudex Playground for Claude Code Plugins & Skills | 10 | Claude Code | 1 | 2,070 tok |
| chrischall/ofw-mcp MCP for interacting with Our Family Wizard (OFW) | 10 | Claude Code | 1 | 14,995 tok |
| TsukumoHQ/trovex trovex.dev Token-efficient MCP doc-router — one canonical doc per query for your coding agents. | 10 | Claude Code | 4 | — |
| akutishevsky/monobank-mcp-server MCP server for integrating with Monobank API. | 10 | Claude Code | 1 | 2,291 tok |
| qdonnars/ohmywind ohmywind.fr MCP server + web app for sailing passage planning, worldwide: per-leg ETA, 1-5 complexity | 10 | Claude Code | 1 | 1,916 tok |
| BluesPrince/thiri-mcp mcp.thiri.ai Deterministic music-theory MCP server & API — chord analysis, Roman-numeral analysis, voic | 10 | Claude Code, Codex, OpenCode | 2 | 181 tok |
| aydincan/turk-hukuku-ve-claude turk-hukuku.com Türk hukuku için açık kaynak Claude Code eklenti pazarı: 81 eklenti, 1000+ beceri. Metodol | 10 | Claude Code | 1 | 967 tok |
| TueJon/webmcpify webmcpify.at WebMCP agent skill — make any web app agent-ready, verifiably: inventory, integrate, verif | 10 | Codex, OpenCode | 1 | 648 tok |