23,761 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 agents8,530Claude Code6,887Git and workflow3,618Data and AI3,582Backend and APIs3,558Languages3,485Planning3,325Code review2,903Testing2,691DevOps and cloud2,482Writing and docs2,481Memory and context2,373Research2,322Frontend2,310Security2,179Project management1,971
All Claude Code32,523 Codex24,842 OpenCode23,761 GitHub Copilot3,723 Gemini CLI2,038 Cursor1,771 Windsurf201 Kiro116
| Project | Stars | Configures | Files | Always loaded |
|---|---|---|---|---|
| clawnify/greybeard Behavioral guidelines for AI coding agents — drop into CLAUDE.md / AGENTS.md to reduce com | 8 | Claude Code, Codex, GitHub Copilot, Gemini CLI, OpenCode | 4 | 15,123 tok |
| moberghr/mtk-agent-toolkit moberghr.github.io A Claude Code plugin that enforces your team's coding standards, security policies, and re | 8 | Claude Code, Codex, OpenCode | 43 | 2,333 tok |
| leefowlercu/agent-kit My Codex / Claude Code Plugin Marketplace | 8 | Claude Code, Codex, OpenCode | 2 | 979 tok |
| L3DigitalNet/Claude-Code-Plugins Plugins for Claude Code | 8 | Claude Code, Codex, OpenCode | 4 | 2,068 tok |
| Data-Wise/himalaya-mcp data-wise.github.io Privacy-first email MCP server + Claude Code plugin wrapping himalaya CLI | 8 | Claude Code, Codex, OpenCode | 2 | 9,317 tok |
| anotherpanacea-eng/apodictic APODICTIC: AI Developmental Editing Plugin for Claude | 8 | Claude Code, Codex, OpenCode | 3 | 3,883 tok |
| solana-mobile/solana-mobile-skills Agent skills for Solana Mobile development (Claude Code, Codex, OpenCode, Cursor, Gemini, | 8 | Codex, OpenCode | 1 | 1,160 tok |
| essentialproject/essential-view-builder-mcp This MCP (Model Context Protocol) server provides tools and resources for building high-qu | 8 | Claude Code, Codex, Gemini CLI, OpenCode | 3 | 373 tok |
| uyu423/requarks-wiki-mcp npmjs.com MCP server for Wiki.js knowledge-base read/write operations | 8 | Claude Code, Codex, OpenCode | 3 | 2,856 tok |
| thebtf/netcoredbg-mcp | 8 | Claude Code, Codex, OpenCode | 2 | 3,643 tok |
| jazzsequence/5eMCP | 8 | Claude Code, Codex, OpenCode | 2 | 3,626 tok |
| koshimazaki/UE-AUDIO-MCP Game audio systems generation via MCP. Wwise + MetaSounds + Blueprint — complete audio wor | 8 | Claude Code, Codex, OpenCode | 8 | 213 tok |
| u33pk/mitmproxy-mcp | 8 | Claude Code, Codex, OpenCode | 2 | 4,470 tok |
| GangGreenTemperTatum/fbdl-mcp facebook.com MCP Server for Meta Hackers, use agents to create FBDL scripts. FBDL is a tool designed to | 8 | Claude Code, Codex, OpenCode | 5 | 3,464 tok |
| gpulga/ableton-dj-mcp MCP server for AI-assisted electronic music production in Ableton Live | 8 | Claude Code, Codex, OpenCode | 2 | 1,499 tok |
| pgmnemo/pgmnemo pgmnemo.com Multi-agent memory substrate for PostgreSQL — provenance-gated, vector-hybrid recall | 8 | Codex, OpenCode | 1 | 8,496 tok |
| Rahulk644/Appflowy-MCP-Server Open-source MCP server for AppFlowy Cloud — let AI agents read, build, and edit your works | 8 | Codex, OpenCode | 1 | 833 tok |
| tough-tongue/toughtongue-skills toughtongueai.com Agent skills and MCP server for Tough Tongue AI. Create voice-agent scenarios, refine them | 8 | Claude Code, Codex, OpenCode | 1 | 2,770 tok |
| JustinBeckwith/pylon-mcp MCP server for Pylon customer support platform | 8 | Codex, OpenCode | 1 | 299 tok |
| MetriLLM/metrillm metrillm.dev Benchmark local LLM models: speed, quality, and hardware fitness scoring. CLI, MCP server, | 8 | Claude Code, Codex, OpenCode | 2 | 2,834 tok |
| rhinocap/raven-mcp Design intelligence MCP server — principles, patterns, tokens, and strategy for AI-generat | 8 | Claude Code, Codex, OpenCode | 3 | 1,162 tok |
| Aero25x/ASO-Copilot persocia.com Self-hosted App Store Optimization tracker with keyword rank tracking, competitor spying, | 8 | Claude Code, Codex, OpenCode | 2 | 79 tok |
| up2itnow0822/agentpay-mcp npmjs.com Non-custodial x402 MCP payment layer for AI agents — the open-source alternative to Vercel | 8 | Codex, Cursor, OpenCode | 2 | 1,841 tok |
| Asixa/codemap-skill 🧹 A code janitor for AI agents — map any codebase into functional modules, score every mo | 8 | Codex, OpenCode | 1 | 504 tok |
| vanducng/skills skills.vanducng.dev A daily-driver collection of skills for agentic coding - a portable, agent-agnostic catalo | 8 | Claude Code, Codex, OpenCode | 2 | 1,036 tok |
| stark-ai-de/agent-skills stark-ai-de.github.io Public Agent Skills for Codex operations, Cursor operations, Claude operations, repo maint | 8 | Codex, OpenCode | 1 | 1,392 tok |
| Dankosik/go-service-template-rest Go REST API template and Golang microservice boilerplate, AI-native for coding agents, wit | 8 | Claude Code, Codex, OpenCode | 3 | 2,075 tok |
| mnzralee/claude-multi-agent-architecture manazir.dev A production-ready, reusable template for building sophisticated multi-agent AI systems wi | 8 | Claude Code, Codex, OpenCode | 6 | 2,959 tok |
| pranav7/domux domux.dev domux is an open-source terminal multiplexer for AI coding agents. | 8 | Claude Code, Codex, OpenCode | 6 | 5,939 tok |
| husker/a2acast Zero-infrastructure A2A messaging between AI agents on different machines — Claude, ChatGP | 8 | Claude Code, Codex, GitHub Copilot, OpenCode | 4 | 2,517 tok |
| EveryInc/garbage-man Provider-neutral email review and future-mail cleanup for AI agents | 8 | Claude Code, Codex, OpenCode | 2 | 203 tok |
| bitwise-media-group/evolve A cli tool for evaluating coding agent plugins with a multi-tier approach. | 8 | Claude Code, Codex, OpenCode | 3 | 3,191 tok |
| plwslpld-arch/agent-harness-internals plwslpld-arch.github.io A Chinese Agent Harness source-code textbook for developers: explains Codex, Claude, Gemin | 8 | Codex, OpenCode | 1 | 963 tok |
| CitiesSkylinesModding/agents-plugins 🤖 Drive your Coherent Gameface game's UI with a Claude/Codex plugin with an MCP server an | 8 | Claude Code, Codex, OpenCode | 4 | 3,863 tok |
| dravr-ai/dravr-embacle docs.rs Rust library wrapping 12 AI CLI tools as pluggable LLM providers — with OpenAI API client, | 8 | Claude Code, Codex, OpenCode | 3 | 560 tok |
| kelvinkosbab/AppBootstrapAI agent steering for Apple (Swift 6.4 / SwiftUI / App Intents / Mac touch) and Android (Kot | 8 | Claude Code, Codex, OpenCode | 3 | 20,682 tok |
| viplee110/economics-paper-reviewer Portable AI pre-review skill for economics papers across Codex, Claude Code, Cursor, and o | 8 | Claude Code, Codex, OpenCode | 2 | 425 tok |
| ensemblr-hq/ensemblr ensemblr.dev Desktop orchestrator for Pi and Claude Code. Every stream of work gets its own git worktre | 8 | Claude Code, Codex, OpenCode | 8 | 3,217 tok |
| alsoleg89/doubt alsoleg89.github.io Turn contested questions into interactive, source-grounded evidence maps. | 8 | Codex, OpenCode | 1 | 257 tok |
| lanseqingling/lantern An open-source comics workspace for individual comic creators, supporting story and asset | 8 | Codex, OpenCode | 1 | 2,060 tok |
| slxca/opencontext opencntx.dev A Model Context Protocol server for persistent project-specific AI agent context. | 8 | Claude Code, Codex, OpenCode | 2 | 1,538 tok |
| senlindesign/coding-wrapped codingwrapped.com A local-first Coding Wrapped Skill for Claude Code and Codex. | 8 | Codex, OpenCode | 1 | 315 tok |
| VuDZ/RoslynMcpServer Roslyn-powered C# MCP server for AI agents. Enables semantic code analysis, precise diagno | 8 | Claude Code, Codex, Cursor, OpenCode | 3 | 1,059 tok |
| Coding-Dev-Tools/click-to-mcp coding-dev-tools.github.io Wrap any Click or Typer CLI as an MCP server for AI agent integration | 8 | Codex, OpenCode | 1 | 646 tok |
| opencue/cuecards cuecards.cc Agent profile manager for Claude Code & Codex. Per-directory profiles select which skills, | 8 | Claude Code, Codex, OpenCode | 3 | 1,671 tok |
| Hehejie1/NoteMeld notemeld.wiki NoteMeld is a self-hosted AI knowledge workspace that automatically organizes web pages, v | 8 | Claude Code, Codex, OpenCode | 2 | 2,698 tok |
| cmudco/dare-backend dare.cmu.edu Open-source Django REST backend for the DARE Platform, with multi-LLM chat, RAG, MCP tools | 8 | Claude Code, Codex, OpenCode | 5 | 608 tok |
| insciqq/AIQSA Self-hosted AI workspace for small and medium teams: every major model on your own API key | 8 | Claude Code, Codex, OpenCode | 2 | 2,690 tok |
| NorviaLabs/forge forge.norvialabs.com Go from idea to verified code without leaving the terminal—Forge unifies an AI agent, code | 8 | Claude Code, Codex, OpenCode | 2 | 719 tok |
| guitaripod/wwdc-sessions Agent-native knowledge base of Apple WWDC sessions (2014-2026, Tech Talks, Meet with Apple | 8 | Codex, OpenCode | 1 | 1,264 tok |