22,198 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 agents7,609Claude Code6,644Data and AI3,677Backend and APIs3,502Languages3,403Planning3,220Git and workflow3,193Code review2,743Testing2,377Memory and context2,363DevOps and cloud2,314Writing and docs2,311Research2,293Frontend2,259Security2,022Productivity1,721
All Claude Code32,006 Codex23,251 OpenCode22,198 GitHub Copilot3,552 Gemini CLI1,917 Cursor1,737 Windsurf138 Kiro81
| Project | Stars | Configures | Files | Always loaded |
|---|---|---|---|---|
| obeone/claude-skills 🧠 Modular skills for autonomous AI agents. Production-ready Docker & Kubernetes tooling w | 4 | Claude Code, Codex, OpenCode | 2 | 1,803 tok |
| Cadasto/openehr-assistant-plugin cadasto.github.io openEHR assistant AI plugin suite with Skills, commands, and MCP server configuration for | 4 | Claude Code, Codex, GitHub Copilot, OpenCode | 3 | 6,386 tok |
| VirajMishra1/loadout npmjs.com Discover, curate, and activate skills across 12 coding agents—then hand off and coordinate | 4 | Claude Code, Codex, OpenCode | 2 | 173 tok |
| aipickgold/md2card aipickgold.com 🎴 Xiaohongshu graphic card generator · Convert Markdown to 3:4 cards with one click · 55+ | 4 | Claude Code, Codex, OpenCode | 2 | 919 tok |
| apideck-libraries/api-skills developers.apideck.com One abstraction, 146 SaaS connectors. Agent skills for Apideck's Unified API — integrate S | 4 | Codex, OpenCode | 1 | 975 tok |
| Neetx/ai-research-radar AI Research Radar — Evidence-Grounded Trend Ledger for AI Systems | 4 | Claude Code, Codex, OpenCode | 3 | 2,905 tok |
| petar-djukic/writing-skills Claude Code skills for rewriting AI-drafted prose to pass AI detectors: a measured three-s | 4 | Claude Code, Codex, GitHub Copilot, OpenCode | 3 | 9,300 tok |
| Endokelp/DecisionCouncil skills.sh Evidence-bound multi-agent council for Cursor and Claude Code. Scout (last30days), Advocat | 4 | Codex, OpenCode | 1 | 194 tok |
| beriktassuly/solana-audit-skill Evidence-backed Solana audit skill for Claude Code and Agent Skills: report-backed taxonom | 4 | Codex, OpenCode | 1 | 279 tok |
| TreatTrick/skill-sync treattrick.github.io ❯ Open-source desktop app to sync Claude Code, Codex, and AI agent skills across computers | 4 | Claude Code, Codex, OpenCode | 2 | 2,738 tok |
| punt-labs/quarry Locally hosted semantic search for AI agents. 20+ document formats, hybrid search, agent m | 4 | Claude Code, Codex, GitHub Copilot, OpenCode | 5 | 11,144 tok |
| KSEGIT/Version-Sentinel Claude Code plugin that hard-blocks dependency additions, bumps, and downgrades until a fr | 4 | Claude Code, Codex, GitHub Copilot, Gemini CLI, OpenCode | 4 | 3,454 tok |
| TMHSDigital/Unity-Developer-Tools tmhsdigital.github.io AI-powered development toolkit for Unity game development in Cursor IDE. 18 skills, 8 rule | 4 | Claude Code, Codex, Cursor, OpenCode | 3 | 4,818 tok |
| alanshurafa/co-evolution Structured refinement of any document between AI agents. Two agent roles bounce a file bac | 4 | Claude Code, Codex, OpenCode | 2 | 6,656 tok |
| mryll/skills Portable agent skills for AI coding agents — works with Claude Code, OpenAI Codex CLI, Gem | 4 | Claude Code, Codex, OpenCode | 2 | 352 tok |
| karthikrshet/aiskills Reusable, tool-agnostic AI engineering skills, workflows, templates, and evaluation playbo | 4 | Codex, OpenCode | 1 | 979 tok |
| abk1969/ai-act-skills Multi-platform agent skills (Claude Code + Gemini CLI + OpenAI Codex) for EU AI Act compli | 4 | Codex, Gemini CLI, OpenCode | 2 | 1,993 tok |
| SathiaAI/graphsmith graphsmith.ai Build AI agent workflows that survive crashes, never duplicate work, and don't make things | 4 | Codex, GitHub Copilot, OpenCode | 2 | 4,786 tok |
| broomva/skills skills.sh Broomva agent-skills monorepo — 48 Tier-2 skills compatible with Claude Code, Codex, Curso | 4 | Codex, OpenCode | 1 | 402 tok |
| jeffreytse/grimoire-core grimoire.jeffreytse.net 🧙 Official best-practice skill library for grimoire — 1000+ skills across engineering, te | 4 | Claude Code, Codex, Gemini CLI, OpenCode | 3 | 2,494 tok |
| xsolla/xsolla-ai-kit xsolla.com Xsolla agent skills for AI coding tools — Claude Code, Copilot, Codex CLI, Windsurf and mo | 4 | Claude Code, Codex, GitHub Copilot, OpenCode | 3 | 1,733 tok |
| ootLabs/OCWIP-grant-competitions Platforma do obslugi konkursow dotacyjnych OCWIP: ogloszenie naboru, skladanie wnioskow, o | 4 | Claude Code, Codex, OpenCode | 4 | 3,219 tok |
| ootLabs/bilingers-knowledge-base | 4 | Claude Code, Codex, OpenCode | 3 | 1,708 tok |
| n24q02m/claude-plugins mcp.n24q02m.com Claude Code plugin marketplace for the n24q02m MCP servers -- install web search, memory, | 4 | Claude Code, Codex, OpenCode | 2 | 1,442 tok |
| Aiyo28/memento-os ayal.tech Claude Code plugin for persistent AI memory. Store conclusions, not notes. OODA-driven rea | 4 | Claude Code, Codex, OpenCode | 1 | 1,157 tok |
| Dallionking/ui-validation-kit Drop-in UI validation for any CLI coding agent — iOS Simulator, Android emulator, and web. | 4 | Codex, OpenCode | 1 | 843 tok |
| Fandhe-AI/agent-reference-skills | 4 | Claude Code, Codex, OpenCode | 28 | 15,311 tok |
| learnwy/skills collect and create my own skills | 4 | Claude Code, Codex, OpenCode | 2 | 5,245 tok |
| sentimony/skills | 4 | Claude Code, Codex, OpenCode | 2 | 1,983 tok |
| novuhq/skills novu.co Novu Skill Set for AI Agents | 4 | Codex, OpenCode | 1 | 1,470 tok |
| MageGojo/conch R-Shell: a Rust command-line SSH workspace — saved connections, remote exec, interactive s | 4 | Claude Code, Codex, GitHub Copilot, Cursor, OpenCode | 4 | 1,654 tok |
| merakimiles/mcp-server Meraki MCP Sever | 4 | Codex, OpenCode | 1 | 767 tok |
| sandraschi/windows-operations-mcp Windows system administration via MCP — services, registry, accounts, event logs, networki | 4 | Claude Code, Codex, Cursor, OpenCode | 3 | 865 tok |
| JasonBates/rescuetime-mcp | 4 | Claude Code, Codex, OpenCode | 2 | 446 tok |
| lidless-labs/wazuh-mcp lidless.dev Your SIEM answers live behind a console you babysit. wazuh-mcp reads Wazuh alerts, agents, | 4 | Codex, OpenCode | 1 | 1,156 tok |
| Platano78/faulkner-db Temporal Knowledge Graph System for Architectural Memory - Track decisions, patterns, and | 4 | Codex, OpenCode | 1 | 1,249 tok |
| dshein-alt/crawly-mcp `Crawly-MCP` provides web search and content retrieval for local LLMs, enabling agents to | 4 | Codex, OpenCode | 1 | 2,079 tok |
| jaredthivener/fastapi-docs-mcp MCP server for real-time FastAPI documentation access | 4 | Claude Code, Codex, GitHub Copilot, OpenCode | 3 | 3,873 tok |
| retospect/precis-mcp pypi.org MCP server giving LLM agents a seven-verb API over papers, documents, code, state, patents | 4 | Claude Code, Codex, OpenCode, Windsurf | 40 | 7,106 tok |
| thekie/read-no-evil-mcp A secure email gateway MCP server that protects AI agents from prompt injection attacks hi | 4 | Claude Code, Codex, Gemini CLI, OpenCode | 3 | 1,233 tok |
| metanmai/libredesk-mcp | 4 | Codex, OpenCode | 1 | 2,306 tok |
| smaramwbc/statewave-connectors statewave.ai Connector ecosystem for Statewave — feed real-world events into agent memory | 4 | Codex, GitHub Copilot, OpenCode | 2 | 1,061 tok |
| internet-court/mcp internet-court-mcp-git-main-gen-layer-foundation.vercel.app Internet Court MCP — remote MCP server and install endpoint for the Internet Court skill ( | 4 | Claude Code, Codex, OpenCode | 2 | 79 tok |
| mrnajiboy/ebay-mcp-remote-edition npmjs.com Open source MCP server providing AI assistants with comprehensive access to eBay's Sell AP | 4 | Codex, OpenCode | 1 | 1,557 tok |
| sandraschi/vcv-rack-mcp MCP server for VCV Rack 2 - composes modular synth patches by emitting structured JSON, no | 4 | Codex, OpenCode | 1 | 435 tok |
| RightNow-AI/autoevolve Agent-native evolutionary optimization. Say the goal in english, evolve code toward a meas | 4 | Claude Code, Codex, OpenCode | 2 | 6,250 tok |
| cyanheads/met-museum-mcp-server npmjs.com Search the Metropolitan Museum of Art collection, fetch full artwork records and open-acce | 4 | Claude Code, Codex, OpenCode | 2 | 11,476 tok |
| AmanKtyr/Tailor npmjs.com Stop vibe-coding bloat & token waste. Unified AI Coding-Agent & Spec-Driven Development (S | 4 | Claude Code, Codex, GitHub Copilot, Cursor, Gemini CLI, OpenCode, Windsurf | 23 | 3,693 tok |
| cyanheads/noaa-climate-mcp-server npmjs.com Search NOAA CDO stations and datasets, fetch historical weather observations via MCP. STDI | 4 | Claude Code, Codex, OpenCode | 2 | 12,594 tok |
| cyanheads/openlibrary-mcp-server npmjs.com Search books and authors, fetch editions, browse subjects, and resolve cover images from O | 4 | Claude Code, Codex, OpenCode | 2 | 11,950 tok |