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 |
|---|---|---|---|---|
| navapbc/rebar Rebar can block work until an AI plan review passes, require signed completion verificatio | 5 | Claude Code, Codex, GitHub Copilot, OpenCode | 5 | 11,080 tok |
| qso-graph/adif-mcp qso-graph.io MCP server for ADIF 3.1.7: the specification's fields and enumerations, and validating and | 5 | Claude Code, Codex, OpenCode | 2 | 565 tok |
| PodcastAPI/skills podcastapi.com Agent Skills for podcast research (podcast mcp) and building secure applications with the | 5 | Codex, OpenCode | 1 | 271 tok |
| VirajMishra1/loadout npmjs.com Discover, curate, and activate skills across 12 coding agents—then hand off and coordinate | 5 | Claude Code, Codex, OpenCode | 2 | 173 tok |
| yingying-chu/class-action-finder yingying-chu.github.io An AI skill for Claude, Codex, and ChatGPT that scans your email for class action settleme | 5 | Claude Code, Codex, OpenCode | 2 | 3,710 tok |
| apideck-libraries/api-skills developers.apideck.com One abstraction, 146 SaaS connectors. Agent skills for Apideck's Unified API — integrate S | 5 | Codex, OpenCode | 1 | 975 tok |
| po4yka/llm-wiki-skills Portable Agent Skills for building, operating, evaluating, and governing LLM-Wiki knowledg | 5 | Claude Code, Codex, OpenCode | 2 | 1,329 tok |
| ondrej-merkun/skill-audit npmjs.com Scan every AI agent skill on your machine for prompt injection and malicious code. Fast lo | 5 | Claude Code, Codex, OpenCode | 2 | 3,369 tok |
| Neetx/ai-research-radar AI Research Radar — Evidence-Grounded Trend Ledger for AI Systems | 5 | Claude Code, Codex, OpenCode | 3 | 3,017 tok |
| petar-djukic/writing-skills Claude Code skills for rewriting AI-drafted prose to pass AI detectors: a measured three-s | 5 | Claude Code, Codex, GitHub Copilot, OpenCode | 3 | 9,307 tok |
| nks0614/harnessay Profile Claude Code context, discover repeated workflows, and regression-test your skills. | 5 | Codex, OpenCode | 1 | 254 tok |
| kalinbogatzevski/captain-memo captain-memo.ispcq.com Local, cross-AI memory for coding agents: Claude Code, Codex, Gemini, Antigravity, Cursor, | 5 | Claude Code, Codex, OpenCode | 1 | 809 tok |
| The-Focus-AI/twitter-skill Claude Code plugin for Twitter/X API - OAuth 2.0 PKCE, tweets, timeline, lists, engagement | 5 | Claude Code, Codex, OpenCode | 2 | 767 tok |
| TMHSDigital/Unity-Developer-Tools tmhsdigital.github.io AI-powered development toolkit for Unity game development in Cursor IDE. 18 skills, 8 rule | 5 | Claude Code, Codex, Cursor, OpenCode | 3 | 5,202 tok |
| wayne930242/straw-boss Task coordination for Codex CLI and Claude Code: carry bounded work directly or dispatch H | 5 | Claude Code, Codex, OpenCode | 2 | 76 tok |
| hugo-alves/TokenGochi A mildly dystopian ESP32 virtual pet fed by your Claude Code and Codex CLI token usage. | 5 | Codex, OpenCode | 1 | 1,842 tok |
| dwgx/claude-codex-subagent Claude Code skill for delegating scoped worker tasks to the local Codex CLI | 5 | Claude Code, Codex, OpenCode | 2 | 1,662 tok |
| broomva/skills skills.sh Broomva agent-skills monorepo — 48 Tier-2 skills compatible with Claude Code, Codex, Curso | 5 | Codex, OpenCode | 1 | 402 tok |
| SVerITG/Metis A Research Cortex. A research companion for Claude. Your library, notes & memory stay on y | 5 | Claude Code, Codex, OpenCode | 43 | 4,415 tok |
| ddebixx/frontend-template | 5 | Claude Code, Codex, Cursor, OpenCode | 9 | 220 tok |
| Lucabiz/agentscribe One source of truth for your AI agent instructions — generate and validate AGENTS.md, CLAU | 5 | Claude Code, Codex, GitHub Copilot, OpenCode | 3 | 1,819 tok |
| learnwy/skills collect and create my own skills | 5 | Claude Code, Codex, OpenCode | 2 | 5,245 tok |
| gvorwaller/claude-relay Real-time communication between Claude Code instances via WebSocket + MCP | 5 | Codex, OpenCode | 1 | 42 tok |
| autoworks-ai/autovault autovault.dev Local-first vault for agent skills with MCP, validation, signing, and remote HTTP access | 5 | Claude Code, Codex, OpenCode | 2 | 3,398 tok |
| dshein-alt/crawly-mcp `Crawly-MCP` provides web search and content retrieval for local LLMs, enabling agents to | 5 | Codex, OpenCode | 1 | 2,635 tok |
| KultivatorConsulting/pikvm_mcp_server PiKVM MCP Server | 5 | Codex, OpenCode | 1 | 1,468 tok |
| danchev/openmarkets docs.openmarkets.dev A Model Context Protocol (MCP) server for agentic retrieval of financial market data | 5 | Claude Code, Codex, GitHub Copilot, OpenCode | 9 | 8,910 tok |
| feigeCode/navop-mcp Navop domain CLI, MCP stdio bridge, and Agent Skill | 5 | Codex, OpenCode | 1 | 158 tok |
| AlexZai007/figma-unlimited-mcp MCP server that lets an AI agent read and edit FigJam boards through a local Figma plugin | 5 | Claude Code, Codex, OpenCode | 2 | 1,652 tok |
| mrnajiboy/ebay-mcp-remote-edition npmjs.com Open source MCP server providing AI assistants with comprehensive access to eBay's Sell AP | 5 | Codex, OpenCode | 1 | 1,557 tok |
| cyanheads/usaspending-mcp-server npmjs.com Access US federal award, recipient, agency, and spending analytics data from USAspending.g | 5 | Claude Code, Codex, OpenCode | 2 | 15,798 tok |
| searchstefano/agenticschema searchstefano.github.io Turn Schema.org, JSON-LD, RDFa and Microdata into tools for AI agents. Zero backend, brows | 5 | Claude Code, Codex | 2 | — |
| orieg/yaml-workflow orieg.github.io A lightweight, powerful, and flexible workflow engine that executes tasks defined in YAML | 5 | Claude Code, Codex, OpenCode | 5 | 968 tok |
| cyanheads/noaa-climate-mcp-server npmjs.com Search NOAA CDO stations and datasets, fetch historical weather observations via MCP. STDI | 5 | Claude Code, Codex, OpenCode | 2 | 15,598 tok |
| antonzherdev/mcp-web-inspector | 5 | Claude Code, Codex, OpenCode | 2 | 3,378 tok |
| drohi-r/madrix-mcp ecube-entertainment.com MCP server for MADRIX with 108 tools for storage, layers, cue lists, timelines, groups, au | 5 | Codex, OpenCode | 1 | 200 tok |
| Unveil-gg/twine-mcp Unofficial MCP server for Twine | 5 | Codex, OpenCode | 1 | 219 tok |
| S2mon123/FEP-Agent-Hub Evidence-first FreeCAD, Elmer FEM, and ParaView MCP automation stack with verified CAE wor | 5 | Codex, OpenCode | 1 | 221 tok |
| dinglebear-ai/runifi npmjs.com Rust MCP server and CLI for UniFi Network controllers, exposing REST-backed network operat | 5 | Claude Code, Codex, Gemini CLI, OpenCode | 4 | 4,035 tok |
| AnthonyPuggs/ausecon-mcp-server auseconmcp.com MCP server for retrieval of Australian economic and financial data - supports ABS, RBA and | 5 | Claude Code, Codex, OpenCode | 2 | 2,284 tok |
| charistas/posokanei-mcp Unofficial read-only MCP server for PosoKanei, exposing Greek supermarket product search, | 5 | Claude Code, Codex, OpenCode | 2 | 886 tok |
| chrischall/infinitecampus-mcp Multi-district MCP server for Infinite Campus (Campus Parent portal) | 5 | Claude Code, Codex, OpenCode | 2 | 4,648 tok |
| cyanheads/astronomy-mcp-server npmjs.com Offline observational astronomy — planet and moon positions, rise/set, phases, eclipses, a | 5 | Claude Code, Codex, OpenCode | 2 | 19,616 tok |
| chriswu727/argus yichenwu.dev MCP tools that help coding agents test web apps systematically, find bugs, and deliver evi | 5 | Codex, OpenCode | 1 | 4,015 tok |
| davidmosiah/oura-mcp wellness.delx.ai Local-first MCP server for Oura Ring readiness, sleep, HRV — Claude/Cursor/ChatGPT ready | 5 | Codex, OpenCode | 1 | 145 tok |
| vosslab/vosslab-skills Reusable workflow skills for refactoring plans, code review, repository maintenance, and e | 5 | Claude Code, Codex, OpenCode | 2 | 395 tok |
| Aaryan-Kapoor/degreeworks-cli Read-only DegreeWorks CLI that lets an AI agent build your exact KSU semester schedule — r | 5 | Claude Code, Codex, OpenCode | 3 | 3,984 tok |
| aks-builds/quality-skills 107 production-grade QA engineering skills for AI agents — frontend, API, performance, mob | 5 | Claude Code, Codex, OpenCode | 2 | 2,230 tok |
| the-sid-dani/second-brain-os PARA second-brain OS for Claude Code — fork, /bootstrap, done. | 5 | Claude Code, Codex, OpenCode | 55 | 4,169 tok |
| ekil1100/pi-ultracode pi.dev Workflow for Pi | 5 | Codex, OpenCode | 1 | 162 tok |