43,636 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 agents7,571Claude Code6,627Data and AI3,684Backend and APIs3,492Languages3,401Planning3,221Git and workflow3,179Code review2,740Testing2,368Memory and context2,365Writing and docs2,309DevOps and cloud2,308Research2,298Frontend2,256Security2,015Productivity1,715
All Claude Code31,984 Codex23,196 OpenCode22,145 GitHub Copilot3,551 Gemini CLI1,917 Cursor1,736 Windsurf133 Kiro79
| Project | Stars | Configures | Files | Always loaded |
|---|---|---|---|---|
| erweixin/prompt-challenges prompt-challenges.pages.dev A practical LLM learning path from clear prompting to tool use, IDE collaboration, MCP, Sk | 51 | Cursor | 1 | 1,498 tok |
| zazencodes/random-number-mcp Production-ready MCP server that provides LLMs with essential random generation abilities, | 51 | Claude Code, Codex, OpenCode | 2 | 832 tok |
| simonmesmith/agent-skills A place to store and share useful agent skills | 51 | Codex, OpenCode | 1 | 362 tok |
| Kanevry/session-orchestrator session-orchestrator.com A repeatable Plan, Go, Close workflow for AI coding sessions. Open source for Claude Code, | 51 | Claude Code, Codex, OpenCode | 7 | 7,822 tok |
| frhscopex/design-skill-os shadowmind.me The elite design intelligence layer for AI agents, synthesized from 10+ legendary design b | 51 | Claude Code | 1 | 432 tok |
| asteroid-belt/skulto Offline and security-first tool for syncing and managing agent skills | 51 | Codex, OpenCode | 1 | 3,435 tok |
| purplefish-ai/factory-factory factoryfactory.ai Workspace-based coding environment for running multiple Claude Code and Codex sessions in | 51 | Claude Code, Codex, OpenCode | 2 | 1,257 tok |
| fiale-plus/tradingview-mcp-server fiale.plus Unofficial MCP and CLI for TradingView API | 51 | Claude Code | 11 | 1,777 tok |
| gvkhosla/compound-engineering-pi Compound engineering extension for Pi coding agent workflows. | 51 | Claude Code, Codex, OpenCode | 3 | 3,221 tok |
| jl-codes/platformio-mcp | 51 | Claude Code, Codex | 11 | — |
| luanmorenommaciel/uc-transact-co | 51 | Claude Code, Codex, OpenCode | 2 | 430 tok |
| ProjectOpenSea/opensea-skill Agent skill for interacting with OpenSea | 51 | Codex, OpenCode | 1 | 524 tok |
| scosman/vibe-crafting Not quite vibe-coding. Not quite boomer coding. Something else. | 51 | Claude Code | 1 | 333 tok |
| emalorenzo/three-agent-skills AI coding agent skills for Three.js and React Three Fiber best practices | 51 | Claude Code, Codex, OpenCode | 2 | 1,416 tok |
| agavra/yuzudraw yuzudraw.com visual ASCII editor for both humans and agents | 51 | Claude Code, Codex, OpenCode | 2 | 2,287 tok |
| gbmhunter/blog blog.mbedded.ninja The repo backing the blog.mbedded.ninja website. | 51 | Claude Code | 10 | 2,849 tok |
| NourMtir0722/Paperlab nourmtir0722.github.io Physical, realistic paper as a React component. Real 3D geometry that peels, unrolls, fold | 51 | Codex, OpenCode | 1 | 13,846 tok |
| BeWaterMyFriend7/SKILL-PROJECT A collection of agent skills developed personally and excellent skills gathered online. Dr | 51 | Codex, OpenCode | 8 | — |
| GravityKit/block-mcp WordPress block-level CRUD MCP server — path-based mutations, safety guards, preference sc | 51 | Claude Code, Codex, OpenCode | 2 | 8,414 tok |
| peterdsp/PromptBar promptbar.peterdsp.dev PromptBar is a SwiftUI application designed for macOS, allowing users to access multiple A | 51 | Codex, OpenCode | 1 | 1,436 tok |
| uiNerd16/aicanvas aicanvas.me Open-core registry of animated React components, blocks, design systems, and templates. Re | 51 | Claude Code, Codex, OpenCode | 2 | 2,021 tok |
| eph5xx/tweakidea surfskills.surf Evaluate your startup idea from 1 to 5 | 51 | Claude Code | 1 | 840 tok |
| artemiimillier/claude-code-starter A starter template for any project with Claude Code: clone it, write one sentence, and get | 51 | Claude Code, Codex, OpenCode | 2 | 194 tok |
| charannyk06/conductor-oss app.conductross.com Local-first control surface for AI coding agents, workspaces, worktrees, terminals, diffs, | 51 | Claude Code, Codex, OpenCode | 2 | 2,547 tok |
| sean-esk/second-brain-gtd Second brain using obsidian, and claude code with skills for your assistant | 51 | Claude Code | 1 | 4,318 tok |
| a2aproject/a2a-tck | 51 | Claude Code, Codex, OpenCode | 9 | 1,476 tok |
| openscientist-io/openscientist AI co-scientist | 51 | Claude Code | 1 | 1,566 tok |
| adewale/agentic-mermaid agentic-mermaid.dev Beautiful diagrams, made with your agent. | 51 | Claude Code | 1 | 758 tok |
| Arize-ai/arize-skills Agent skills for Arize — datasets, experiments, and traces via the ax CLI | 51 | Codex, OpenCode | 1 | 614 tok |
| fatihguner/foreman foreman.sh AI-powered strategic advisor for entrepreneurs. 158 skills, 24 diagnostics, 21 playbooks, | 51 | Claude Code | 1 | 6,237 tok |
| himkt/cafleet himkt.github.io 🛰️ Coding Agent Fleet (cafleet) is a coding agent orchestrator for multi-agents collabora | 51 | Claude Code | 6 | 217 tok |
| alexey-max-fedorov/gaia-ai gaiacode.pro GAIA Code - Most powerful Perplexity Assistant for any software development. Agentic codin | 51 | Claude Code | 1 | 1,099 tok |
| AdamBien/airails airails.dev AI and LLM conventions for modern Java 25 CLI apps, MicroProfile servers, serverless appli | 51 | Codex, OpenCode | 1 | 633 tok |
| ngerakines/atproto-skills A collection of ATProtocol agent skills | 51 | Claude Code | 1 | 3,236 tok |
| unicodeveloper/shannon Skill for Automated Pentesting from Keygraph Shannon | 51 | Claude Code | 1 | 146 tok |
| Gheat1/NaviTui ♪ A fast, animated TUI player for Navidrome — cover art in the terminal, playback via mpv, | 51 | Claude Code | 1 | 1,220 tok |
| cubetribe/ClaudeCode_GodMode-On Self-orchestrating multi-agent system for Claude Code — you say WHAT, the AI decides HOW. | 51 | Claude Code | 1 | 3,463 tok |
| csml-rpi/AI-CFD-Scientist | 51 | Claude Code, Codex, OpenCode | 2 | 4,178 tok |
| sshahzaiib/agy-bridge shahzaibakram.dev MCP bridge that lets Claude Code delegate heavy tasks to the Antigravity CLI (agy) — purpo | 51 | Claude Code | 1 | 217 tok |
| MrUjjwalG/movi-player moviplayer.com Modern, modular video player for the web powered by WebCodecs + FFmpeg WASM. Supports HDR, | 51 | Claude Code, Codex, OpenCode | 3 | 6,875 tok |
| grab/TalkToFigmaDesktop A powerful desktop application bridging Figma and AI tools via Model Context Protocol Seam | 51 | Claude Code, Codex, OpenCode | 2 | 5,759 tok |
| basicmachines-co/open-ghl-mcp An open source Model Context Protocol server for GoHighLevel API v2 with OAuth | 51 | Claude Code | 1 | 5,887 tok |
| pavanbadempet/AI-Healthcare-System pavanbadempet.github.io AI Healthcare System & Clinical Data Platform. Combines a Databricks Medallion Lakehouse ( | 51 | Codex, GitHub Copilot, OpenCode | 5 | 2,398 tok |
| MrGo2/icloud-mcp npmjs.com MCP server for Apple services — Mail, Calendar, Contacts, Reminders, Notes, Messages, Safa | 51 | Claude Code | 1 | 2,429 tok |
| jamiedavenport/capd capd.jxd.dev Private, native macOS app to capture pages, text, notes, links, and images—and find them i | 51 | Claude Code | 1 | 264 tok |
| Baba88611/detroit-ai-player Let Your AI Play Detroit：Become Human | 51 | Claude Code, Codex, OpenCode | 2 | 3,042 tok |
| Checklist-Design/skills | 51 | Claude Code | 1 | — |
| bashebr/ai-native-sdlc Reusable Codex + Claude Code skill and plugin implementing Anthropic's AI-Native SDLC: Pla | 51 | Codex, OpenCode | 1 | 385 tok |
| enwong93-sketch/devspace-ultra DevSpace + elastic ChatGPT Classic multi-agent workers. Local-first MCP workspace and dyna | 51 | Codex, OpenCode | 1 | 2,548 tok |
| nerdsane/redis-rust Redis-compatible in-memory data store in Rust. Actor-per-shard architecture, CRDT replicat | 51 | Claude Code | 7 | 5,859 tok |