22,170 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 agents7,588Claude Code6,636Data and AI3,676Backend and APIs3,496Languages3,402Planning3,219Git and workflow3,187Code review2,745Testing2,374Memory and context2,364DevOps and cloud2,310Writing and docs2,309Research2,295Frontend2,261Security2,021Productivity1,715
All Claude Code31,998 Codex23,222 OpenCode22,170 GitHub Copilot3,550 Gemini CLI1,918 Cursor1,738 Windsurf137 Kiro80
| Project | Stars | Configures | Files | Always loaded |
|---|---|---|---|---|
| PollyGlot/google-play-cli gplay.sh gplay: publish to Google Play from CI or a coding agent. One static binary, JSON output th | 9 | Claude Code, Codex, OpenCode | 2 | 1,065 tok |
| rvdbreemen/adr-kit Architecture decisions your AI coding agents actually follow. Ranked ADR retrieval and con | 9 | Claude Code, Codex, GitHub Copilot, OpenCode | 3 | 1,191 tok |
| ChrystianSchutz/ThreadShelf Local-first archive, semantic search, and continuation for AI conversations across ChatGPT | 9 | Claude Code, Codex, OpenCode | 2 | 4,650 tok |
| evoelsewhere/evoflux evoelsewhere.asia Evoflux is an open-source, local-first workspace where AI agents build software, conduct d | 9 | Codex, OpenCode | 1 | 3,398 tok |
| bc1xxx/orchestrator-opencode Multi-agent orchestration system for OpenCode | 9 | Claude Code, OpenCode | 16 | — |
| strapi/skills AI Agent Skills A collection of skills for AI coding agents. Skills are packaged instructi | 9 | Codex, OpenCode | 1 | 337 tok |
| tomzx/agents A library of composable skills, agents, and conventions that teach agents how to perform r | 9 | Claude Code, Codex, OpenCode | 2 | 875 tok |
| XMZF-vAI/clerkbox clerkbox.xmzf.space ClerkBox — A local-first AI desktop workspace with a built-in WebUI, extensible skill mark | 9 | Codex, OpenCode | 1 | 843 tok |
| Astro-Craft-Theme/8-BitQuest astrocraftthemes.com A retro pixel-art developer portfolio theme for Astro, the web framework. 20 pages, 39 UI | 9 | Claude Code, Codex, OpenCode | 3 | 2,003 tok |
| esp-mosaico/esp-mosaico-vibe Vibe coding with ESP-Mosaico! | 9 | Codex, OpenCode | 1 | 1,835 tok |
| a-szczudlo/OpenFounders Stress test relacji wspolnikow sp. z o.o. - otwarty skill AI (Claude Code / Cowork / Codex | 9 | Codex, OpenCode | 1 | 3,448 tok |
| khmm12/solidjs-v2-skills Agent skills for SolidJS 2.0 — write, migrate, and review solid-js 2.x code without React/ | 9 | Claude Code, Codex, OpenCode | 2 | 1,426 tok |
| meteor/agent-skills docs.meteor.com Meteor-maintained Agent Skills for building, migrating, testing, securing, and deploying M | 9 | Codex, OpenCode | 1 | 2,994 tok |
| gatordevin/avo Open reproduction of NVIDIA's AVO paper (arXiv:2603.24517): evolutionary search where an a | 9 | Claude Code, Codex, OpenCode | 2 | 1,178 tok |
| Shailesh200/prism prism-website-lime.vercel.app | 9 | Claude Code, Codex, OpenCode | 2 | 1,085 tok |
| nweii/agent-stuff A subset of my personal AI skills for Claude and Cursor. | 9 | Claude Code, Codex, OpenCode | 1 | 1,153 tok |
| petekp/agent-skills Agent skills for UI development, parameter tuning, and design iteration | 9 | Claude Code, Codex, OpenCode | 2 | 776 tok |
| bybren-llc/a-safe-pulse Enterprise-grade SAFe automation toolkit: AI-powered Agile Release Train (ART) planning, s | 9 | Claude Code, Codex, Gemini CLI, OpenCode | 19 | 6,997 tok |
| Aledon8/OpenLeukemia openleukemia.com OpenLeukemia is a patient-centered platform for organizing leukemia-related medical data, | 9 | Claude Code, Codex, GitHub Copilot, OpenCode | 9 | 2,788 tok |
| hotosm/ui ui.hotosm.org Shared UI components with HOT theming | 9 | Codex, OpenCode | 1 | 1,202 tok |
| sankichi92/LiveLog livelog.ku-unplugged.net A Ruby on Rails application for managing set lists within a music community | 9 | Codex, OpenCode | 1 | 657 tok |
| appydave/appydave-tools AppyDave YouTube Automation Tools | 9 | Claude Code, Codex, OpenCode | 8 | 10,670 tok |
| PsychQuant/che-apple-mail-mcp Apple Mail MCP server — 53 tools with SQLite-powered millisecond search across 250K+ email | 8 | Claude Code, Codex, OpenCode | 2 | 1,373 tok |
| gopinav/resume-agent-skills Resume Agent skills and sample resume | 8 | Codex, Cursor, OpenCode | 2 | 146 tok |
| aplaceforallmystuff/mcp-pihole MCP server for Pi-hole v6 API - control DNS blocking from Claude Code | 8 | Claude Code, Codex, Gemini CLI, OpenCode | 4 | 357 tok |
| vladmdgolam/agent-skills A collection of skills for AI coding agents | 8 | Claude Code, Codex, OpenCode | 2 | 749 tok |
| EmZod/speak A fast CLI tool for Agents to convert their text output to speech using Chatterbox TTS on | 8 | Codex, OpenCode | 1 | 517 tok |
| ALCops/mcp-server nuget.org MCP server that brings ALCops AL code analyzers to AI assistants like Claude and Cursor | 8 | Claude Code, Codex, OpenCode | 3 | 2,035 tok |
| MisonL/Ling npmjs.com A Chinese AI Agent template toolkit for Gemini CLI, Antigravity, and Codex, providing one- | 8 | Claude Code, Codex, OpenCode | 69 | 1,373 tok |
| patrickdappollonio/claude-plugins My collection of Claude (and other AI's) skills, plugins, MCP servers, and more. | 8 | Claude Code, Codex, OpenCode | 2 | 3,753 tok |
| EthanQC/feishu-user-plugin ethanqc.github.io Feishu MCP server + CLI tool: lets Claude Code/Codex/scripts directly take over your Feish | 8 | Claude Code, Codex, OpenCode | 2 | 6,712 tok |
| YuliiaKovalova/dotnet-template-mcp MCP server wrapping the .NET Template Engine for AI-driven template discovery, inspection, | 8 | Codex, GitHub Copilot, OpenCode | 2 | 1,696 tok |
| narrative-io/narrative-skills-marketplace An agent skills marketplace from Narrative I/O — interactive, AI-powered slash-command wor | 8 | Codex, OpenCode | 1 | 1,775 tok |
| bcanfield/agentic-tech-debt skills.sh Every shortcut your coding agent takes, saved to your repo as it happens. Fix them when yo | 8 | Claude Code, Codex, OpenCode | 2 | 3,416 tok |
| StringKe/std-agent One .stdai/ source of truth, fanned out to 22 AI coding tools: Claude Code, Codex, Cursor, | 8 | Claude Code, Codex, OpenCode | 3 | 806 tok |
| S3DFX-CYBER/Claude-Skills-Security A production-grade security triage skill for AI agents. | 8 | Codex, OpenCode | 1 | 1,494 tok |
| jscraik/Agent-Skills Skills SDK for Codex/AI coding agents: author, validate, evaluate, and sync runtime projec | 8 | Codex, OpenCode | 1 | 1,271 tok |
| kangdacool/hwpx-editing-skill A validated ruleset + Python tool skill that enables LLM agents such as Claude Code and Co | 8 | Codex, OpenCode | 1 | 507 tok |
| eyesecurity/skills EU compliance enforcement for AI agents. Org-profile-driven guardrails for NIS2, GDPR & IS | 8 | Codex, OpenCode | 1 | 56 tok |
| pengzhangzhi/superpowers-ml Skills that make your AI agent do ML research like a skeptical scientist, not a hype machi | 8 | Claude Code, Codex, Gemini CLI, OpenCode | 3 | 1,913 tok |
| deanpeters/ai-product-operating-model-skills Evidence-based skills for designing and improving AI product operating models | 8 | Codex, OpenCode | 1 | 6,987 tok |
| Lombiq/Orchard-Core-Agent-Skills Reusable, agent-agnostic knowledge packs for Orchard Core development, focused on theming, | 8 | Codex, OpenCode | 1 | 301 tok |
| vunm-io/passdown Shift-handover workflow for AI coding agents — capture ideas into an inbox, dispatch tasks | 8 | Claude Code, Codex, OpenCode | 1 | 1,280 tok |
| kogakure/skills Collection of AI Agent Code skills | 8 | Claude Code, Codex, OpenCode | 2 | 519 tok |
| whenpoem/aiscientist An AI-driven research workflow for generating ideas, running experiments, and writing scie | 8 | Claude Code, Codex, OpenCode | 6 | 1,865 tok |
| twominutereports/marketing-skills Claude Marketing Skills for SEO, PPC, and ecommerce reporting, analysis, and automation vi | 8 | Claude Code, Codex, OpenCode | 2 | 1,185 tok |
| sherifabdlnaby/skills 🍣 Hand-rolled AI Skills distilled from my everyday experience. Git & Mise (...and others) | 8 | Codex, OpenCode | 1 | 1,402 tok |
| ysskrishna/ai-agent-skills Structured thinking skills for AI agents: brainstorming, decision support, systems thinkin | 8 | Claude Code, Codex, OpenCode | 2 | 2,500 tok |
| AgenticFirst/Cerebro Cerebro is an open-source personal intelligence system for building AI experts, automating | 8 | Claude Code, Codex, OpenCode | 2 | 2,138 tok |
| Avierovich/openpitch avierovich.github.io Open, real-time, fully-sourced intelligence on AI startups — MCP-native, zero-cost. A free | 8 | Claude Code, Codex, OpenCode | 3 | 4,511 tok |