24,815 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 |
|---|---|---|---|---|
| orifisher2/sqlike sqlike.com CLI, MCP server, GitHub Action and pre-commit hook for sqlike: deterministic SQL analysis | 8 | Codex, OpenCode | 1 | 1,743 tok |
| New1Direction/webmcp-anything wmcp.sh Turn any URL into agent-callable MCP tools. One spec-compliant MCP server endpoint, no per | 8 | Codex, OpenCode | 1 | 4,267 tok |
| structured-world/gitlab-mcp gitlab-mcp.sw.foundation GitLab MCP server — issues, merge requests, pipelines, code search. 80+ tools. | 8 | Codex, GitHub Copilot, OpenCode | 2 | 1,796 tok |
| Aryan-Jhaveri/mcp-statcan mcp-statcan.com MCP server + CLI for Statistics Canada (StatCan) — access 7,000+ Canadian statistical tabl | 8 | Codex, OpenCode | 1 | 85 tok |
| trevhud/rote roteskills.com Compile AI agent skills into cheap, fast, deterministic pipelines that run without an LLM | 8 | Codex, OpenCode | 1 | 6,175 tok |
| BjornMelin/dev-skills AgentSkills library: reusable skills for AI coding agents (AI SDK, Codex, LangGraph, Supab | 8 | Codex, OpenCode | 1 | 4,549 tok |
| Avyayalaya/pm-skills-arsenal avyayalaya.github.io 12 codex-grade PM skills (1,000–1,300 lines each) for senior PMs, founders, and AI agents. | 8 | Codex, OpenCode | 1 | 1,579 tok |
| widnyana/eyay-toolkits Agents don’t behave, they swarm. Skills and plugins slot in mid flight, and somehow the wh | 8 | Claude Code, Codex, OpenCode | 2 | 629 tok |
| yeaight7/agent-powerups Curated power-ups for coding agents: skills, slash commands, MCP configs, hooks, AGENTS.md | 8 | Claude Code, Codex, Gemini CLI, OpenCode | 3 | 2,477 tok |
| sgomez/developer-skills Unattended PRD delivery for Claude Code | 8 | Claude Code, Codex, OpenCode | 3 | 1,839 tok |
| onimusya/media-gen A production-ready CLI for multi-provider media generation. Generate images, videos, voice | 8 | Codex, OpenCode | 1 | 1,505 tok |
| athal7/dotfiles | 8 | Codex, OpenCode | 1 | 1,121 tok |
| matematicsolutions/awesome-matematic-skills-pl matematicsolutions.com Polish hub of legal-AI skills - 45 skills in 8 Claude Code / Cowork bundles (LLM output ve | 8 | Claude Code, Codex, OpenCode | 2 | 2,042 tok |
| TAKEOFF69/codex-skills-kit Task-typed prompt-engineering Agent Skills for OpenAI Codex. | 8 | Codex, OpenCode | 1 | 714 tok |
| benelser/docent Point it at anything — a codebase, a PR, an essay, a paper, a URL — and get back a narrate | 8 | Codex, OpenCode | 1 | 2,611 tok |
| chenyuxiaojin/xiaochen-skills blog.xiaochens.com 17 Claude Code plugins / 19 skills for video, publishing, Obsidian, GEO and real content w | 8 | Claude Code, Codex, OpenCode | 2 | 1,589 tok |
| mfdaves/okf-mcp OKF (v0.2) MCP server. | 8 | Codex | 1 | — |
| nijanthan-dev/taxmate-australia Prep-only Australian individual tax return plugin and portable skills for Codex, Claude Co | 8 | Codex, OpenCode | 1 | 2,352 tok |
| Kocal/symfony-contribution-skills symfony.com IA skills for contributing to the Symfony framework & related packages | 8 | Codex, Gemini CLI, OpenCode | 2 | 1,480 tok |
| thuandiep1707/codex-harness-javascript Multi-agent harness for OpenAI Codex with Jira-backed workflows, pause/resume, progressive | 8 | Claude Code, Codex, OpenCode | 4 | 7,185 tok |
| vassiliylakhonin/agenda-intelligence-md output-verification.agendamcp.dpdns.org Local evidence checks for AI agents and RAG. Catch broken citations, quote mismatches and | 8 | Claude Code, Codex, OpenCode | 2 | 3,775 tok |
| ljchang/mecha docs.mecha-factory.ai A standalone agent harness in Rust: a provider-agnostic loop, MCP tools, a path jail and p | 8 | Claude Code, Codex, OpenCode | 4 | 10,341 tok |
| MidnightDarling/collate Chinese-language literature OCR proofreading and reading pipeline for historical researche | 8 | Claude Code, Codex, Gemini CLI, OpenCode | 2 | 9,613 tok |
| grostim/cloudcli-cron Scheduled Prompt is a local-first CloudCLI plugin for workspace-scoped scheduled prompts, | 8 | Codex, OpenCode | 1 | 46 tok |
| Abdssamie/promption Promption is a modern AI prompt manager built with Tauri, React, and TypeScript. | 8 | Codex, OpenCode | 1 | 3,395 tok |
| counterposition/pi Skills, extensions, and packages for the Pi coding agent | 8 | Claude Code, Codex, OpenCode | 2 | 269 tok |
| Xipher-Labs/walter-os Self-hostable AI-agent operations framework by Xipher Labs | 8 | Claude Code, Codex, OpenCode | 2 | 7,868 tok |
| 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 |
| moonx010/hive-memory npmjs.com Cross-project memory for AI coding agents. MCP server that maintains context, decisions, a | 8 | Claude Code, Codex | 5 | 2,134 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 |
| 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 |
| ChainBench/OpenChainBench openchainbench.com Open, reproducible benchmarks for crypto infrastructure: aggregators, bridges, blockcha | 8 | Claude Code, Codex, OpenCode | 3 | 472 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 |