31,977 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 agents7,557Claude Code6,620Data and AI3,682Backend and APIs3,496Languages3,401Planning3,217Git and workflow3,165Code review2,733Testing2,364Memory and context2,364DevOps and cloud2,310Writing and docs2,303Research2,297Frontend2,252Security2,013Productivity1,710
All Claude Code31,977 Codex23,157 OpenCode22,109 GitHub Copilot3,551 Gemini CLI1,917 Cursor1,739 Windsurf129 Kiro79
| Project | Stars | Configures | Files | Always loaded |
|---|---|---|---|---|
| Consensys/ask-o11y-plugin AI-powered observability assistant for Grafana that helps you query data, investigate issu | 42 | Claude Code, Codex, Cursor, OpenCode | 6 | 4,487 tok |
| mastersof-ai/harness Agent runtime with full system prompt control. Define agents in markdown, run them in a te | 42 | Claude Code | 1 | 798 tok |
| Stavan-Jain/QECLean stavan-jain.github.io Formalization project on Quantum Error Correction in Lean | 42 | Claude Code | 1 | 10,977 tok |
| DeepL/deepl-cli deepl.com DeepL CLI is a comprehensive, developer-friendly command-line tool that integrates DeepL's | 42 | Claude Code | 1 | 2,869 tok |
| seandavi/lifeos-template An opinionated, agentic life-OS for Claude Code — a markdown vault with daily/weekly/quart | 42 | Claude Code | 1 | 2,463 tok |
| krapie/mycelium tiny.kevinprk.com Organize your AI sessions, and carry what they know into the next one. | 42 | Claude Code, Codex, OpenCode | 2 | 4,636 tok |
| itsmostafa/qi query search engine cli for humans and ai agents | 42 | Claude Code, Codex, OpenCode | 2 | 1,857 tok |
| savethepolarbears/google-photos-mcp A Model Context Protocol repository for Google Photos API | 42 | Claude Code, Codex, Gemini CLI, OpenCode | 3 | 1,567 tok |
| sandraschi/calibremcp Calibre library automation via FastMCP — metadata, shelves, RAG-friendly export. Companion | 42 | Claude Code, Codex, Cursor, OpenCode, Windsurf | 5 | 1,650 tok |
| akutishevsky/withings-mcp withings-mcp.com MCP server for Withings health data integration | 42 | Claude Code | 1 | 10,488 tok |
| freshaengineering/lang_ex hexdocs.pm LangGraph for Elixir. Durable, human-in-the-loop LLM agents on the BEAM. | 42 | Claude Code, Codex, OpenCode | 2 | 3,310 tok |
| opena2a-org/hackmyagent Metasploit for AI agents: scan, attack, and fix AI agents and MCP servers. Open source sec | 42 | Claude Code | 1 | — |
| mathruffian-dot/2026-YouTube YouTube video automation pipeline: editing, subtitles, thumbnails, descriptions, and SEO a | 42 | Claude Code, Codex, OpenCode | 2 | 5,309 tok |
| iOfficeAI/AionHub An AionUi Extention Hub for Agents/ Skills/ Assistants/ MCPs and more | 42 | Claude Code | 1 | — |
| iPythoning/b2b-sdr-hermes-skill Autonomous AI SDR skill for Hermes Agent — finds buyers, qualifies leads, sends outreach, | 42 | Claude Code, Codex, GitHub Copilot, Cursor, Gemini CLI, OpenCode | 5 | 1,096 tok |
| Pantani/tdmcp pantani.github.io TouchDesigner MCP server, describe a visual to Claude, Cursor or Codex and it builds a rea | 42 | Claude Code, Codex, OpenCode | 3 | 7,962 tok |
| vulnerability-lookup/VulnMCP A modular MCP server providing AI-driven vulnerability management skills, including severi | 42 | Claude Code | 1 | 1,809 tok |
| alirezarezvani/gaios Open-source AI Operating System (AIOS) blueprint for Claude Code & Codex — turn any agent | 42 | Claude Code, Codex, OpenCode | 2 | 4,714 tok |
| withqwerty/nutmeg Football data analytics toolkit for Claude Code. Covers Opta, StatsBomb, Wyscout, SportMon | 42 | Claude Code | 1 | 794 tok |
| getsigit/sigit zed.dev A local inference LLM coding agent. | 42 | Claude Code, Codex, OpenCode | 8 | 12 tok |
| Cognitohazard/ltspice-mcp MCP server giving LLMs the ability to design, simulate, and analyze SPICE circuits via LTS | 42 | Claude Code | 1 | 9,596 tok |
| YoungHong1992/ruankao-senior-architecture-designer Knowledge base for preparing for the Systems Architect exam: Markdown organization and pro | 42 | Claude Code, Codex, OpenCode | 2 | 4,519 tok |
| trustabl/trustabl-rules Agent reliability detection rules for the Trustabl Agent Reliability Analyzer | 42 | Claude Code | 1 | 2,479 tok |
| jvgomg/podkit jvgomg.github.io 🔄🎵Modern TypeScript toolkit and CLI for managing iPods | 42 | Claude Code, Codex, OpenCode | 5 | 6,392 tok |
| superman1006/MeetMind A team that debates > a model that answers. MeetMind turns one requirement into a live dis | 41 | Claude Code | 1 | 7,403 tok |
| mahmoudilyan/marmoui marmoui.com The AI agentic designer — open-source React design system + MCP that lets Claude, Codex, C | 41 | Claude Code, Codex, Cursor, OpenCode | 3 | 3,396 tok |
| putervision/spc spaceproofcode.com High-performance zero-dependency static analysis tool enforcing NASA Power of Ten rules ac | 41 | Claude Code, GitHub Copilot | 2 | 3,510 tok |
| romanticamaj/promptasy A browser game to learn prompt engineering by playing — explore a world and solve challeng | 41 | Claude Code, Codex, OpenCode | 2 | 9,575 tok |
| npstorey/civic-ai-tools civicaitools.org Open-source platform connecting AI assistants to government open data — MCP server, curate | 41 | Claude Code, Codex, OpenCode | 3 | 1,872 tok |
| TsingShui/roco-world-skill Kingdom of Rock World Agent Skill, with built-in game battle mechanics, pet data, skills, | 41 | Claude Code | 2 | 452 tok |
| EtienneChollet/ontomics Extract domain knowledge from codebases to reduce LLM token consumption by 20x and time in | 41 | Claude Code | 1 | 2,562 tok |
| goldbergyoni/test-coverage-mcp Context engineering: Make your agents aware of how they affect 🧪 test coverage🧪 during a | 41 | Claude Code, Codex, OpenCode | 13 | 815 tok |
| GongRzhe/MCP-Server-Creator A powerful Model Context Protocol (MCP) server that creates other MCP servers! This meta-s | 41 | Claude Code | 1 | 671 tok |
| kazuph/mcp-fetch | 41 | Claude Code | 1 | 953 tok |
| mckaywrigley/claude-code-voice | 41 | Claude Code | 3 | — |
| k1LoW/tcmux tcmux is a terminal and coding agent mux viewer. | 41 | Claude Code | 1 | 695 tok |
| tdimino/claude-code-minoan minoanmystery.org A curated ~/.claude/ configuration for professional development workflows — 90+ skills, 46 | 41 | Claude Code | 1 | 505 tok |
| ZachHandley/ZMCPTools A custom TypeScript MCP Server intended to be used with Claude Code | 41 | Claude Code | 1 | 3,192 tok |
| rickywo/Formic AI-powered task manager that turns goals into shipped code. Orchestrates Claude Code, Copi | 41 | Claude Code, Codex, OpenCode | 2 | 12,325 tok |
| snakeying/Textum Structured workflow that stops AI from forgetting your requirements. 4 phases with validat | 41 | Claude Code | 1 | — |
| christian289/dotnet-with-claudecode .NET development tutorial with Claude Code. | 41 | Claude Code | 17 | — |
| bitrise-io/bitrise-mcp bitrise.io MCP Server for the Bitrise API, enabling app management, build operations, artifact manage | 41 | Claude Code | 1 | 110 tok |
| theognis1002/mcp-gateway Model Context Protocol (MCP) Gateway & Registry - Central hub for managing tools, resource | 41 | Claude Code | 1 | 8,132 tok |
| icefort-ai/config A web interface for managing AI CLI agent configurations: Claude Code, OpenAI Codex, Gemin | 41 | Claude Code | 1 | 1,633 tok |
| kyopark2014/mcp It shows how to use model-context-protocol. | 41 | Claude Code | 1 | 69 tok |
| yaodub/cast getcast.dev Your agent team, on your machine. Open-source harness for multi-user Claude agents. | 41 | Claude Code | 4 | 1,109 tok |
| jem-computer/capacities-mcp Capacities×MCP | 41 | Claude Code | 1 | 536 tok |
| Azure/containerization-assist | 41 | Claude Code, Codex, OpenCode | 2 | 435 tok |
| htjun/claude-code-hooks-scv-sounds Claude Code hooks setup with StarCraft SCV sounds. | 41 | Claude Code | 4 | — |
| microsoft/Agent365-python | 41 | Claude Code, GitHub Copilot | 14 | 3,204 tok |