32,517 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 agents8,505Claude Code6,886Git and workflow3,611Data and AI3,580Backend and APIs3,556Languages3,487Planning3,327Code review2,899Testing2,686Writing and docs2,480DevOps and cloud2,479Memory and context2,375Research2,323Frontend2,308Security2,172Project management1,965
All Claude Code32,517 Codex24,815 OpenCode23,733 GitHub Copilot3,719 Gemini CLI2,034 Cursor1,770 Windsurf202 Kiro114
| Project | Stars | Configures | Files | Always loaded |
|---|---|---|---|---|
| quasi/cl-mcp-server Common Lisp REPL Superpower for Agents | 43 | Claude Code | 3 | 67 tok |
| az9713/addyosmani-agent-skills Local clone of addyosmani/agent-skills with additional documentation | 43 | Claude Code, Codex, OpenCode | 2 | 1,607 tok |
| vulnerability-lookup/VulnMCP A modular MCP server providing AI-driven vulnerability management skills, including severi | 43 | Claude Code | 1 | 1,809 tok |
| juliusz-cwiakalski/agentic-delivery-os ADOS Turn AI into a repeatable, auditable SDLC: ticket → spec → plan → PR → quality gates | 43 | Claude Code, Codex, OpenCode | 2 | 4,267 tok |
| ChenZiHong-Gavin/llm-tech-report A summary of technical reports for various large language models (LLMs). | 43 | Claude Code, Codex, OpenCode | 3 | 1,353 tok |
| umutbozdag/agent-skills-manager Manage all your AI agent skills from a single dashboard — Cursor, Claude, and Agents | 43 | Claude Code, Codex, OpenCode | 2 | 79 tok |
| inite-ai/inite-brain-service brain.inite.ai Open-source bitemporal knowledge graph — long-term memory for AI agents. Hybrid retrieval, | 43 | Claude Code, Codex, OpenCode | 4 | 5,850 tok |
| sandsaber/Grimoire Local-first AI agents for your Obsidian vault. | 43 | Claude Code, Codex, OpenCode | 2 | 6,555 tok |
| koul777/Public-Regulation-MCP-Builder PR MCP Builder - MCP builder for public institution regulations | 43 | Claude Code, Codex, OpenCode | 3 | 467 tok |
| codecast-sh/codecast codecast.sh Your team and its agents, in one workspace. Chat, calls, tasks, docs, pull requests and de | 43 | Claude Code, Codex, OpenCode | 2 | 7,532 tok |
| naderelewa/Product-to-Prod naderelewa.com AI product management skills and plugin for Claude Code, Cowork, Codex & other AI agents: | 43 | Claude Code, Codex, OpenCode | 1 | 2,913 tok |
| FelixIsaac/whatsapp-mcp-extended Actively maintained WhatsApp MCP — 26 tools, webhooks, anti-ban, Docker, self-healing. Dro | 43 | Claude Code, Codex, OpenCode | 2 | 2,865 tok |
| Klievan/jlink-mcp marketplace.visualstudio.com Give AI hands to touch silicon — an MCP server for SEGGER J-Link, OpenOCD and Black Magic | 43 | Claude Code | 1 | 1,162 tok |
| wbopan/things-cloud-mcp thingscloudmcp.com MCP server for Things 3 via Things Cloud API | 43 | Claude Code, Codex, OpenCode | 4 | 3,084 tok |
| diskinv/diskinv | 43 | Claude Code | 1 | 627 tok |
| portolan-sdi/portolan-cli cli.portolan-sdi.org A CLI tool for managing cloud-native geospatial data | 43 | Claude Code, Codex, OpenCode | 6 | 2,827 tok |
| evilbruce666/1c-odata-mcp npmjs.com MCP server for 1C:Enterprise via OData: access 1C data in natural language from Claude. Re | 43 | Claude Code | 1 | 414 tok |
| GabrielOnDelphi/Autopilot-for-Delphi gabrielmoraru.com Autopilot for Delphi | 43 | Claude Code | 1 | — |
| LokmenoWer/best-cad-mcp Comprehensive AutoCAD MCP server for Windows. It exposes high-level tools for drawing, edi | 43 | Claude Code, Codex | 2 | — |
| raffertyuy/github-copilot-prompts | 43 | Claude Code, GitHub Copilot | 14 | 1,117 tok |
| tsedio/tsed-cli 💻 CLI for Ts.ED framework | 43 | Claude Code, Codex, OpenCode | 32 | 812 tok |
| forever-healthy/AI4L forever-healthy.org AI for Practical Longevity (AI4L) - Enabling anyone to use AI to generate high-quality, ev | 43 | Claude Code, Codex, OpenCode | 9 | 1,214 tok |
| Tenon-Net/TenonAdmin tenon.52moyu.net A zero-config, extensible ASP.NET Core admin system with RBAC, data permissions, and NuGet | 43 | Claude Code, Codex, OpenCode | 2 | 3,744 tok |
| atlanhq/agent-toolkit docs.atlan.com Atlan AI Agent Toolkit | 42 | Claude Code | 1 | 678 tok |
| cilangzzz/yudao-skill-pro An optimized skill version of RuoYi-Vue; this branch builds a complete AI Skill developmen | 42 | Claude Code | 2 | 2,441 tok |
| honeycombio/honeycomb-mcp Allows Honeycomb Enterprise customers to use AI to query and analyze their data, alerts, d | 42 | Claude Code | 1 | 354 tok |
| paolodalprato/notebooklm-mcp-structured Enhanced MCP server for NotebookLM with structured prompts and source fidelity controls | 42 | Claude Code | 1 | 1,898 tok |
| bun913/mcp-testrail npmjs.com Testrail MCP Server | 42 | Claude Code | 3 | 406 tok |
| romanticamaj/promptasy A browser game to learn prompt engineering by playing — explore a world and solve challeng | 42 | Claude Code, Codex, OpenCode | 2 | 9,575 tok |
| basehub-ai/forums forums.basehub.com | 42 | Claude Code, Codex | 2 | — |
| 477-Studio/claude-gym A pixel-art exercise companion that nudges you to move during long Claude Code runs | 42 | Claude Code | 1 | 1,062 tok |
| ferdinandobons/CodeDebrief ferdinandobons.github.io Local-first static analysis that turns source code into deterministic, source-grounded wor | 42 | Claude Code, Codex, Gemini CLI, OpenCode | 3 | 4,365 tok |
| mits-pl/wove Open-source AI coding agent. Desktop app, bring your own model. Writes code, browses the w | 42 | Claude Code, GitHub Copilot | 18 | 816 tok |
| houseworthe/house-agents | 42 | Claude Code | 4 | — |
| KJLdefeated/RL.cu RLVR training for LLM in CUDA/C++ | 42 | Claude Code | 1 | — |
| twitbruv/twitbruv | 42 | Claude Code, Codex, GitHub Copilot, Gemini CLI, OpenCode | 4 | 2,081 tok |
| Sunagatov/Lexora A modern English vocabulary learning app focused on topic-based study, fast review, and pr | 42 | Claude Code, Codex, GitHub Copilot, OpenCode | 5 | 976 tok |
| kellemar/claude-code-specs-generator | 42 | Claude Code | 4 | — |
| SumoLogic/sumologic-documentation sumologic.com Open Source repo for Sumo Logic documentation. | 42 | Claude Code, Codex, OpenCode | 28 | 4,138 tok |
| musegate/Forgevia Forge your development workflow into steel. | 42 | Claude Code, Codex | 22 | — |
| bluzir/claude-telegram A simple and modular Telegram orchestrator on top of Claude Code CLI | 42 | Claude Code | 1 | 845 tok |
| unclejobs-ai/blog-posting-auto | 42 | Claude Code | 15 | 1,878 tok |
| robbyt/claude-skills Skills and Plugins for Claude Code | 42 | Claude Code | 1 | — |
| aanno/cocoindex-code-mcp-server An RAG for code development, implemented as MCP server with cocoindex | 42 | Claude Code | 1 | 1,469 tok |
| NikiforovAll/lazyclaude nikiforovall.blog A lazygit-style TUI for visualizing Claude Code customizations. | 42 | Claude Code | 3 | 2,172 tok |
| goldbergyoni/test-coverage-mcp Context engineering: Make your agents aware of how they affect 🧪 test coverage🧪 during a | 42 | Claude Code, Codex, OpenCode | 13 | 815 tok |
| jem-computer/capacities-mcp Capacities×MCP | 42 | Claude Code | 1 | 536 tok |
| m3talux/superbrain Session memory for Claude Code. Auto-captures every session into a plain Obsidian markdown | 42 | Claude Code | 2 | 566 tok |
| ssql2014/mcp4eda | 42 | Claude Code | 1 | — |
| hebbs-ai/boringos boringos.dev BoringOS is the open-source operating system for AI agents - it ships with a shell portal | 42 | Claude Code | 1 | 2,636 tok |