24,842 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 agents8,530Claude Code6,887Git and workflow3,618Data and AI3,582Backend and APIs3,558Languages3,485Planning3,325Code review2,903Testing2,691DevOps and cloud2,482Writing and docs2,481Memory and context2,373Research2,322Frontend2,310Security2,179Project management1,971
All Claude Code32,523 Codex24,842 OpenCode23,761 GitHub Copilot3,723 Gemini CLI2,038 Cursor1,771 Windsurf201 Kiro116
| Project | Stars | Configures | Files | Always loaded |
|---|---|---|---|---|
| mirekondro/The-Pre-Flight-Check mirekondro.github.io ✈️ Stop your AI coding agent from declaring 'done' on broken code. Fail-fast quality gate: | 2 | Claude Code, Codex, Gemini CLI, OpenCode | 3 | 3,486 tok |
| cubxxw/agent-kit Public, versioned Agent Skills to safely bootstrap and sync Claude Code, Codex, Qwen Code, | 2 | Claude Code, Codex, OpenCode | 4 | 188 tok |
| netresearch/typo3-ckeditor5-skill Agent Skill: CKEditor 5 development patterns for TYPO3 | Claude Code compatible | 2 | Codex, OpenCode | 1 | 651 tok |
| AIwork4me/open-llm-wiki Claude Code skill bundle for building auditable research wikis from papers with independen | 2 | Codex, OpenCode | 1 | 748 tok |
| 008993368-yaz/Growth-Scout Open-source agent skill: scout product growth opportunities before you write code | 2 | Codex, OpenCode | 1 | 260 tok |
| mishanefedov/skillrot Audit agent skills for CLI drift: find skills that call external tools with flags/subcomma | 2 | Codex, OpenCode | 1 | 375 tok |
| pantheon-org/claude-code-personalities Give Claude Code some personalities | 2 | Claude Code, Codex, OpenCode | 2 | 2,427 tok |
| 0k-lab/knowledge-capture Local raw capture layer for agent sessions, preserving decisions and handoffs as wiki/LLM | 2 | Codex, OpenCode | 1 | 122 tok |
| shikanime-labs/skills A curated catalog of self-improved agent skills for Hermes and compatible agents | 2 | Codex, OpenCode | 1 | 1,621 tok |
| shenli/devtool-ax-kit A local-first toolkit for testing agent experience in Agent-Native developer tools. | 2 | Codex, OpenCode | 1 | 241 tok |
| vintagedon/ethops radioastronomy.io ITIL-driven autonomous DevOps team framework for scientific computing infrastructure | 2 | Codex, OpenCode | 1 | 576 tok |
| IronRookieCoder/auto-pilot A Claude Code plugin for long-horizon TDD coding workflows — persists state via a structur | 2 | Claude Code, Codex, OpenCode | 2 | 210 tok |
| canoypa/gh-cgu 👀 Change / Current Git User | 2 | Codex, OpenCode | 1 | 520 tok |
| aj604/toolshed Workbench: five Claude Code skills to ship improvements, orchestrate GitHub issues, build | 2 | Claude Code, Codex, OpenCode | 2 | 912 tok |
| b2bforce/b2bforce b2bforce.ai Skills + workspace for AI agents in B2B service firms | 2 | Codex, OpenCode | 1 | 7,188 tok |
| Arnosdeus/agent-toolkit agent-toolkit is a shared, agent-agnostic AI development toolkit for Codex, Cline, and oth | 2 | Codex, OpenCode | 1 | 543 tok |
| guofu-shiqu/ux-expert-skills UX Expert Skills — 25 experience management expert Skills, compatible with Claude Code and | 2 | Claude Code, Codex, OpenCode | 2 | 1,317 tok |
| getskillseal/skillseal getskillseal.github.io Self-verifying agent skills. Your seal of approval. 🦭 | 2 | Claude Code, Codex, OpenCode | 2 | 751 tok |
| LFTPadilla/agent-dev-kit agent-dev-kit.devpipe.net Replicable agent development system: curated Claude Code/Codex skills + bootstrap for the | 2 | Codex, OpenCode | 1 | 1,615 tok |
| hyemin-ht-kang/click-to-edit-ui Claude Code plugin: Alt-click web UI components in the browser and request edits by number | 2 | Claude Code, Codex, OpenCode | 2 | 917 tok |
| AcKeskin/contexture My personal setup for working with AI; what I learned from existing plugins, plus a bunch | 2 | Claude Code, Codex, GitHub Copilot, OpenCode | 20 | 47,570 tok |
| iroha924/mumei Your build is green — but did the agent make it green by weakening the tests? mumei re-run | 2 | Claude Code, Codex, OpenCode | 2 | 7,247 tok |
| danielkremen818/claude-prompt A Claude Code slash command (/p) that rewrites your request into an optimized prompt, then | 2 | Claude Code, Codex, OpenCode | 2 | 732 tok |
| agagniere/speky agagniere.github.io Manage your specifications with git, render them as PDF and HTML | 2 | Claude Code, Codex, OpenCode | 2 | 1,266 tok |
| CiselyAI/agency-skills cisely.ai Model your company as a living context graph in Cisely — a Claude Code plugin for guided m | 2 | Codex, OpenCode | 1 | 1,041 tok |
| sudoplayer/manbun What happens when a ponytail goes the other way? The manbun takes over. | 2 | Codex, OpenCode | 1 | 768 tok |
| docutray/devflow-skill Complete agile development workflow commands for Claude Code. Framework-agnostic slash com | 2 | Claude Code, Codex, OpenCode | 2 | 4,877 tok |
| risadams/ink-and-agency A dual-host skills plugin for Claude Code and OpenAI Codex with a self-evolve loop that le | 2 | Claude Code, Codex, OpenCode | 2 | 6,208 tok |
| shrekshrek/project-workflow Spec-driven AI development workflow — methodology docs, starter templates, and Claude Code | 2 | Claude Code, Codex, OpenCode | 2 | 2,523 tok |
| LightZirconite/claude-account-switch Fast, keyboard-driven TUI to switch between multiple Claude Code/Codex accounts instantly | 2 | Claude Code, Codex, OpenCode | 2 | 1,465 tok |
| Attemainio/dotnet-toolkit AI-native .NET code intelligence for faster, more accurate codebase navigation with lower | 2 | Claude Code, Codex, OpenCode | 3 | 2,688 tok |
| Elnora-AI/elnora-google-workspace Google Workspace for Claude Code — Gmail, Calendar, Drive, Docs, Sheets, Forms, Tasks, plu | 2 | Codex, OpenCode | 1 | 995 tok |
| ZGhey/tokibean zghey.github.io 🫘 Claude Code desktop pet — a pixel mascot that animates what Claude Code is doing in rea | 2 | Claude Code, Codex, OpenCode | 2 | 8,451 tok |
| sandraschi/nest-protect-mcp Fastmcp 3.1 Server + Webapp for controlling nest protect devices | 2 | Claude Code, Codex, GitHub Copilot, Cursor, OpenCode, Windsurf | 5 | 1,500 tok |
| ForgeyClap/claude-forge Zero-dependency multi-agent build, automation and review system for Claude Code. 18 agents | 2 | Claude Code, Codex, OpenCode | 7 | 6,010 tok |
| AbhiiGatty/cld-flare-maxxing cld-flare-maxxing.abhiigatty.com Claude Code and Codex plugin that audits, explains, and safely changes Cloudflare. Read-on | 2 | Claude Code, Codex, GitHub Copilot, OpenCode | 12 | 3,719 tok |
| HECer/yoke npmjs.com Cross-agent coding harness for Claude Code, Codex CLI & Gemini CLI: one skill canon, mecha | 2 | Codex, OpenCode | 1 | 251 tok |
| quantsquirrel/claude-forge-smith TDD-based self-improving skills for Claude Code | 2 | Codex, OpenCode | 1 | 594 tok |
| michael-L-i/cadence-code A fully local voice companion for Codex and Claude Code on Apple Silicon — talk to your co | 2 | Claude Code, Codex, OpenCode | 2 | 3,264 tok |
| openplanr/planr-pipeline Moved to openplanr/OpenPlanr (packages/pipeline). No longer maintained; the planr-pipeline | 2 | Claude Code, Codex, OpenCode | 2 | 5,782 tok |
| ucsahinn/ai-skill-create AI Skill Create: toolkit for creating, validating, testing, and packaging reusable AI agen | 2 | Codex, OpenCode | 1 | 292 tok |
| pau-vega/Devkit-AI pau-vega.github.io A curated marketplace of Claude Code plugins — starting with typescript-rules for real-tim | 2 | Claude Code, Codex, OpenCode | 3 | 2,378 tok |
| AgenticPawan/FullStack-Pilot Claude Code plugin marketplace for Angular + .NET + SQL Server + Azure - governance skills | 2 | Claude Code, Codex, OpenCode | 2 | 7,870 tok |
| frankxai/agentic-income-skills frankx.ai Portable agent skills for building honest AI-tool income systems — the agentic-income brai | 2 | Codex, OpenCode | 1 | 326 tok |
| campfront/camp-skills camp-skills.com Open agent skills for summer camps, brought to you by Campfront | 2 | Claude Code, Codex, OpenCode | 2 | 511 tok |
| yu2001-s/OpenDocu Local-first versioned documentation search for coding agents. | 2 | Claude Code, Codex, OpenCode | 1 | 518 tok |
| DiUS/agent-toolkit DiUS's growing collection of reusable building blocks for AI coding agents — skills, comma | 2 | Claude Code, Codex, OpenCode | 2 | 1,580 tok |
| Stephen-studying/daily-work-planner Local-first work-session preflight skill for Codex, Claude Code, Gemini CLI, and Agent Ski | 2 | Codex, OpenCode | 1 | 288 tok |
| fetchai/agentverse-skills agentverse.ai Agent skills for interacting with Fetch.ai's Agentverse — portable SKILL.md format for Cla | 2 | Codex, OpenCode | 1 | 727 tok |
| tbhb/social-skills Weaponized personality modules for AI agents — skills that teach your coding agent the cor | 2 | Claude Code, Codex, OpenCode | 3 | 1,190 tok |