23,733 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 |
|---|---|---|---|---|
| OATH-md/OathMCP mcp.oath.md Agent-native MCP server for evidence-backed clinical calculators. | 13 | Codex, OpenCode | 2 | 1,920 tok |
| xcrft/mastermind Local-first repository context for coding agents: codegraph, cited project knowledge, chan | 13 | Codex, OpenCode | 1 | 282 tok |
| agentis-tools/ctx docs.agentis.tools 🧠 ctx is a queryable world model of a codebase, built to ground and govern the language m | 13 | Claude Code, Codex, OpenCode | 2 | 881 tok |
| haha2345/awesome-wow-335-dev Bilingual, Agent-readable development knowledge base for WoW 3.3.5a and AzerothCore | 13 | Codex, OpenCode | 1 | 783 tok |
| robertcrowe/Spec4 spec4.ai A local, open-source tool that turns a rough idea, or a change to an existing codebase, in | 13 | Claude Code, Codex, OpenCode | 2 | 1,456 tok |
| enforra/enforra enforra.com Open source action governance SDK for AI agent tool calls. | 13 | Claude Code, Codex, OpenCode | 2 | 3,090 tok |
| wildcat-finance/skills get in loser, we're building god | 13 | Claude Code, Codex, OpenCode | 3 | 5,982 tok |
| IvanMurzak/Unity-AI-Cinemachine ai-game.dev MCP Tools for Unity Cinemachine — author and edit virtual cameras with AI. | 13 | Codex, OpenCode | 1 | 1,145 tok |
| grapeot/tavily-skill Agent-oriented Tavily search and extract CLI with stable JSON output | 13 | Codex, OpenCode | 1 | 350 tok |
| beerandcodeteam/worthly-api | 13 | Claude Code, Codex, Gemini CLI, OpenCode | 14 | 10,763 tok |
| vercel-labs/ds-skill-extraction-workshop | 13 | Claude Code, Codex, OpenCode | 6 | 539 tok |
| houtini-ai/google-knowledge-graph-mcp houtini.com MCP server for Google's free public Knowledge Graph Search API - search for structured ent | 13 | Codex, OpenCode | 1 | 876 tok |
| YUANGEGE1234/awesome-prompts-skill A curated collection of AI prompts as a skill for Claude Code and OpenAI Codex | 13 | Codex, OpenCode | 1 | 365 tok |
| CES-Ltd/TitanClip ces-ltd.github.io AI Company Orchestration Platform — Deploy governed teams of autonomous AI agents with Run | 13 | Codex, OpenCode | 1 | 216 tok |
| fcori47/dios-ia-hermes-local | 13 | Claude Code, Codex, OpenCode | 2 | 3,541 tok |
| hwpx-builder/hwpx-builder | 13 | Codex, Gemini CLI, OpenCode | 2 | 1,480 tok |
| therohitdas/slkcli Slack CLI for macOS, so your agents can read and send messages 💬 | 13 | Claude Code, Codex, OpenCode | 2 | 1,745 tok |
| hamelsmu/website-to-api Claude Code plugin for reverse-engineering website APIs using Chrome browser automation | 13 | Codex, OpenCode | 1 | 176 tok |
| swnotmetal/Project-Koma Lightweight, agent-friendly AI security toolkit for Node.js & TypeScript. Check if your ag | 13 | Codex, Cursor, OpenCode | 2 | 996 tok |
| srpadrono/Pathfinder AI-agent skill that maps user journeys, visualizes test coverage with Mermaid diagrams, an | 13 | Codex, OpenCode | 1 | 811 tok |
| elastic/ai-github-actions elastic.github.io | 13 | Claude Code, Codex, OpenCode | 2 | 232 tok |
| chirino/memory-service chirino.github.io A persistent memory service for AI agents that stores and manages conversation history, en | 13 | Claude Code, Codex, OpenCode | 12 | 916 tok |
| a-attia/scicomp-research-skills Agent skills + workflow templates for scientific-computing research (papers and software). | 13 | Codex, OpenCode | 1 | 8,584 tok |
| johnakande/AI-Humanizer-Skill Humanize AI text. Bypass detection. Get natural, human-sounding content instantly. | 13 | Claude Code, Codex, OpenCode | 1 | 1,090 tok |
| linhnguyen-gt/Routiform npmjs.com | 13 | Codex, OpenCode | 1 | 2,858 tok |
| truth0530/mcp-server-ios-shortcuts | 13 | Codex, OpenCode | 1 | 1,395 tok |
| PADAS/er-server OpenSource ER Server aka DAS | 13 | Codex, OpenCode | 1 | 992 tok |
| max-lee-dev/local-lmcanvas | 13 | Claude Code, Codex, OpenCode | 2 | 547 tok |
| ss44/sathi.ai An AI plugin for Dank Material Shell | 13 | Codex, OpenCode | 1 | 132 tok |
| styrene-lab/lipstyk Anti-AI-slop code analysis — detects machine-generated code patterns across Rust, TS/JS, P | 13 | Codex, OpenCode | 1 | 1,432 tok |
| abuiles/agents-kanban AgentsKanban is a Cloudflare Workers application for multi-repo task orchestration with a | 13 | Claude Code, Codex, OpenCode | 2 | 427 tok |
| MDMAtk/TormentNexus At long last | 13 | Claude Code, Codex, GitHub Copilot, Gemini CLI, OpenCode | 5 | 2,603 tok |
| akirk/ai-assistant wpapps.kirk.at An AI-powered chat interface for WordPress Playground. Bring your own API key or connect t | 13 | Codex, OpenCode | 1 | 2,298 tok |
| djangonavarro220/agentic-life-os Portable personal advisor OS built from Agent Skills | 13 | Codex, OpenCode | 1 | 2,067 tok |
| AVANT-ICONIC/Talox Stateful browser runtime for AI agents built on Playwright, with stealth interaction, stru | 13 | Codex, OpenCode | 1 | 3,913 tok |
| maris205/open-rosalind openrosalind.bio open-rosalind: open source version of gpt rosalind | 13 | Codex, OpenCode | 1 | 253 tok |
| tangyihang-jiayou/QQ_agentshow QQ2007-style Codex Agent workspace: real tasks in the right panel, a penguin pet, QQ Show, | 13 | Codex, OpenCode | 1 | 220 tok |
| guyumengyue/zotero-obsidian-codex-workflow Windows-first Zotero Obsidian Codex literature workflow with one-step bootstrap skill | 13 | Claude Code, Codex, OpenCode | 3 | 484 tok |
| tryingET/pi-server Session multiplexer for pi-coding-agent — WebSocket + stdio, the protocol IS the architect | 13 | Codex, OpenCode | 1 | 11,952 tok |
| byronjohnson/litelight litelightbox.com A lightweight JavaScript lightbox | 13 | Codex, OpenCode | 1 | 1,188 tok |
| Accagain2014/LLM4Rec_wiki Automated LLM4Rec Wiki Project Driven by Large Language Models. An LLM-driven LLM4Rec know | 13 | Codex, OpenCode | 1 | 1,506 tok |
| duongtruongdp/ND-ImgConverter duongtruongdp.net A fast, native media conversion toolkit for photographers, filmmakers and creators. | 13 | Codex, OpenCode | 1 | 633 tok |
| pouriya/espai Any agent that can run curl gets a real browser. Snapshot a page as refs, click one, read | 13 | Codex, OpenCode | 1 | 4,559 tok |
| danielwpz/lark-a2ui-renderer A2UI renderer for Feishu/Lark | 13 | Codex, OpenCode | 1 | 2,120 tok |
| grapeot/health-quantification AI-first personal health quantification: Apple Health → SQLite → CLI → AI analysis | 13 | Codex, OpenCode | 1 | 2,054 tok |
| riffcc/flagship dev.riff.cc A decently decentralised streaming platform, powered by Citadel and Archivist | 13 | Claude Code, Codex, OpenCode | 2 | 3,579 tok |
| mmarca-tech/OpenVitals codeberg.org THIS IS JUST A MIRROR FROM https://codeberg.org/mmarca-tech/OpenVitals Privacy-f | 13 | Claude Code, Codex, OpenCode | 3 | 1,995 tok |
| sociotechnica-org/symphony-ts TypeScript implementation of the Symphony spec | 13 | Claude Code, Codex, OpenCode | 4 | 2,583 tok |
| chriswritescode-dev/opencode-forge OpenCode plugin for autonomous dev loops, planning, and worktree sandbox environments. | 13 | Codex, OpenCode | 1 | 2,721 tok |
| g0v/moedict.tw moedict.tw A Cloudflare Worker clone of MoeDict, integrating React + Vite + Wrangler + Functions with | 13 | Codex, OpenCode | 1 | 21,648 tok |