23,761 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 |
|---|---|---|---|---|
| Stargod-0812/star-guidelines An operating contract for frontier coding agents. | 4 | Claude Code, Codex, OpenCode | 2 | 1,498 tok |
| HunterHillegas/mac-assed-mac-app-skill An agent skill for creating Mac-assed Mac apps. | 4 | Codex, OpenCode | 1 | 498 tok |
| asaphe/promptcraft various rules, prompts and other settings used with various AI tools | 4 | Claude Code, Codex, OpenCode | 5 | 1,084 tok |
| the-hooman-loop/anti-slop-kit Portable, tool-agnostic Agent Skills and prompt cards for using AI without generic, unveri | 4 | Codex, OpenCode | 1 | 338 tok |
| RonasIT/open-webui-mcp-server-python Simple MCP server to access your knowledge in Open WebUI | 4 | Codex, OpenCode | 1 | 96 tok |
| Hedicx2020/ghquant_plugin Claude Code plugin for reproducing quantitative research reports: an 11-stage gated state | 4 | Claude Code, Codex, OpenCode | 2 | 4,859 tok |
| florian101010/awesome-agentic-AI-coding-template Stop re-explaining your project to every AI agent. Pre-wired for Claude Code, Copilot, Cur | 4 | Claude Code, Codex, GitHub Copilot, Cursor, Gemini CLI, OpenCode | 29 | 3,985 tok |
| shibingli/mcp-toolkit MCP ToolKit is a feature-rich and secure MCP tools collection designed to provide powerful | 4 | Codex, OpenCode | 1 | 2,481 tok |
| 7vignesh/fossel fossel.app | 4 | Codex, OpenCode | 1 | 1,412 tok |
| guybnd/Event-Horizon guybnd.github.io | 4 | Claude Code, Codex, OpenCode | 2 | 4,493 tok |
| xiaolitongxue666/nvim Neovim config file | 4 | Claude Code, Codex, OpenCode | 2 | 7,497 tok |
| duolahypercho/startup-kit Cross-agent frontend startup kit: SF Pro theme, light/dark Tailwind tokens, shadcn/ui conv | 4 | Codex, OpenCode | 1 | 573 tok |
| agtm1199/uber-polya agtm1199.github.io A universal problem-solving skill for code agents (e.g. Claude, Codex), inspired by George | 4 | Claude Code, Codex, GitHub Copilot, OpenCode | 3 | 3,214 tok |
| shaominngqing/flog Terminal log viewer + network inspector for Flutter. Auto-connects, HTTP/SSE/WS debugging, | 4 | Claude Code, Codex, OpenCode | 2 | 10,002 tok |
| jepegit/issue-flow Agents should behave. Let them follow the issue flow. | 4 | Claude Code, Codex, Cursor, OpenCode | 15 | 2,703 tok |
| singlepagestartup/singlepagestartup singlepagestartup.com Boilerplate for Lean Startup Developers | 4 | Claude Code, Codex, OpenCode | 2 | 5,509 tok |
| bullboy1/babycoding This protocol is like a shared "tool inventory" for the project. Before writing any code, | 4 | Claude Code, Codex, GitHub Copilot, Gemini CLI, OpenCode | 4 | 10,135 tok |
| greglas75/codesift codesift.dev Token-efficient code intelligence for AI agents — 66 MCP tools via tree-sitter AST, BM25F | 4 | Claude Code, Codex, Gemini CLI, OpenCode | 3 | 40,340 tok |
| 985892345/astrbot_plugin_claude_channel Bridges AstrBot private or group chat messages to Claude Code Channel | 4 | Codex, OpenCode | 1 | 138 tok |
| ddddjaak/se-skills An AI-assisted workflow for chip manufacturer SEs (systems engineers/application architect | 4 | Claude Code, Codex, OpenCode | 8 | 6,412 tok |
| surajpratap/claude-wow-plugin | 4 | Codex, OpenCode | 1 | 2,172 tok |
| divadbaroon/claude-plugins | 4 | Claude Code, Codex, OpenCode | 2 | 412 tok |
| LuminaryWorks/LuminaryWorks LuminaryWorks AI ecosystem — narrative, standards, and shared services for five independen | 4 | Codex, Cursor, OpenCode | 2 | 683 tok |
| gorewood/timbers | 4 | Claude Code, Codex, OpenCode | 2 | 5,410 tok |
| Mazalucas/El-DT-Lightweight-Army El DT is the framework that turns your AI into a Technical Director: it structures the con | 4 | Claude Code, Codex, GitHub Copilot, Cursor, OpenCode | 5 | 1,357 tok |
| easyvibecoding/vibe-resume Turn your AI coding history (Claude Code, Cursor, Copilot, ChatGPT exports, git commits) i | 4 | Claude Code, Codex, OpenCode | 2 | 4,077 tok |
| afernandes/Omni.Blazor afernandes.github.io Blazor Components | 4 | Claude Code, Codex, GitHub Copilot, OpenCode | 4 | 6,038 tok |
| morellid/ai-act-skill EU AI Act compliance skill for engineers — Reg. (EU) 2024/1689. Works with Claude Code, Op | 4 | Codex, OpenCode | 1 | 1,830 tok |
| sublimotion/agent-aiops-on-aws Claude Code plugin for AWS infrastructure automation using Terraform with security scannin | 4 | Claude Code, Codex, OpenCode | 5 | 6,911 tok |
| lockelee1015/claude-code-chat-intellij the intellij plugin of claude code as chat mode | 4 | Claude Code, Codex, OpenCode | 2 | 1,578 tok |
| andrewm4894/claude-log-cleaner Claude Code plugin to auto-delete session logs after configurable retention period | 4 | Claude Code, Codex, OpenCode | 2 | 761 tok |
| euxx/claude-skills-for-copilot GitHub Copilot agent skills adapted from Anthropic Claude plugins and OpenAI Codex Skills | 4 | Claude Code, Codex, OpenCode | 1 | 1,567 tok |
| DataRecce/recce-claude-plugin | 4 | Claude Code, Codex, OpenCode | 2 | 3,030 tok |
| 4rgon4ut/cc-zig-lsp Zig LSP plugin for Claude Code | 4 | Codex, OpenCode | 1 | 242 tok |
| jhoblitt/rook-claude Claude Code plugin marketplace for rook maintainers: code review, triage, and systemic-PR | 4 | Codex, OpenCode | 1 | 802 tok |
| cpliakas/claude-code-engineering-leaders A Claude Code plugin providing engineering leadership agents — the virtual leadership team | 4 | Claude Code, Codex, OpenCode | 2 | 1,717 tok |
| fokkoru/ai-foo Reusable Claude Code plugins for development workflow | 4 | Claude Code, Codex, OpenCode | 2 | 3,995 tok |
| lespaceman/athena-workflow-marketplace A private claude plugin marketplace | 4 | Claude Code, Codex, OpenCode | 2 | 3,962 tok |
| agentic-utils/skills Custom Claude Code plugin marketplace with LSP servers (ty, Svelte) | 4 | Codex, OpenCode | 1 | 1,069 tok |
| jsell-rh/agentic-development-plugins Claude Code Plugins for Semi-Autonomous Agentic Development | 4 | Claude Code, Codex, OpenCode | 2 | 2,275 tok |
| tajmahal226/compound-engineering-plugin every.to Official Claude Code compound engineering plugin | 4 | Claude Code, Codex, OpenCode | 4 | 3,629 tok |
| IT-HUSET/andthen Coding agent toolkit with workflows, guidelines, and plugins for Claude Code and other age | 4 | Claude Code, Codex, OpenCode | 4 | 3,967 tok |
| SoraSuegami/vibe-circuit Claude code plugin for vibe-coding circuits of programable cryptography (e.g., ZKPs) and t | 4 | Claude Code, Codex, OpenCode | 2 | 866 tok |
| vokako/kiro-web-search pypi.org Minimal MCP server exposing a web_search tool over stdio. Install in Claude Code via /plug | 4 | Claude Code, Codex, OpenCode | 1 | 1,017 tok |
| zbs-gg/zbs-researcher ZBS Research — plan-first multi-platform research plugin (Claude Code) + design/ideation/e | 4 | Claude Code, Codex, OpenCode | 12 | 2,105 tok |
| bytemines/sherpai Don't free-solo your code. Let Sherpai guide the climb with this Claude Code Plugin. | 4 | Codex, OpenCode | 1 | 185 tok |
| cluesmith/ci-channel Claude Code channel plugin for real-time CI/CD notifications (GitHub Actions, GitLab CI, G | 4 | Claude Code, Codex, OpenCode | 2 | 3,406 tok |
| ekroon/opencode-copilot-instructions OpenCode plugin that loads GitHub Copilot custom instruction files | 4 | Codex, GitHub Copilot, OpenCode | 4 | 1,315 tok |
| Ayont/ayontclaudian ayontclaudian — Obsidian plugin embedding Claude Code, Codex, Antigravity & Kimi coding-ag | 4 | Claude Code, Codex, OpenCode | 2 | 4,458 tok |
| flanliulf/SpecLite Enterprise-grade workflow plugin for coding agents, with a complete and actionable AI deve | 4 | Claude Code, Codex, OpenCode | 5 | 91 tok |