How real projects configure their agents

23,196 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 agents7,571Claude Code6,627Data and AI3,684Backend and APIs3,492Languages3,401Planning3,221Git and workflow3,179Code review2,740Testing2,368Memory and context2,365Writing and docs2,309DevOps and cloud2,308Research2,298Frontend2,256Security2,015Productivity1,715

All Claude Code31,984 Codex23,196 OpenCode22,145 GitHub Copilot3,551 Gemini CLI1,917 Cursor1,736 Windsurf133 Kiro79

Project Stars Configures Files Always loaded
euxx/claude-skills-for-copilot GitHub Copilot agent skills adapted from Anthropic Claude plugins and OpenAI Codex Skills 4 Claude Code, Codex, OpenCode 1 831 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
napalmpapalam/skills A personal Claude Code plugin marketplace — a registry of plugins bundling skills, command 4 Claude Code, Codex, OpenCode 2 1,632 tok
sebmartin/ai-workspace-plugin A structured workspace for AI-assisted development with Claude Code. Manage long-running d 4 Claude Code, Codex, OpenCode 3 2,225 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 1,001 tok
jsell-rh/agentic-development-plugins Claude Code Plugins for Semi-Autonomous Agentic Development 4 Claude Code, Codex, OpenCode 2 2,275 tok
thrashr888/thrashr888-agent-kit Claude Code plugins and marketplace 4 Claude Code, Codex, OpenCode 3 1,912 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 3,511 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
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
karlorz/llm-wiki Multi-skill Claude Code plugin for Karpathy-style interlinked markdown knowledge bases. He 4 Claude Code, Codex, OpenCode 2 1,162 tok
ekroon/opencode-copilot-instructions OpenCode plugin that loads GitHub Copilot custom instruction files 4 Codex, GitHub Copilot, OpenCode 4 1,315 tok
pplancq/copilot-instructions A comprehensive guide of best practices, coding rules, and workflow automation for AI-assi 4 Claude Code, Codex, GitHub Copilot 13 29,023 tok
Ayont/ayontclaudian ayontclaudian — Obsidian plugin embedding Claude Code, Codex, Antigravity & Kimi coding-ag 4 Claude Code, Codex, OpenCode 2 2,926 tok
krzemienski/proofpunk krzemienski.github.io Proofpunk — execution-first delivery plugin for Claude Code, oh-my-pi (OMP), and OpenCode. 4 Claude Code, Codex, OpenCode 2 1,572 tok
flanliulf/SpecLite Enterprise-grade workflow plugin for coding agents, with a complete and actionable AI deve 4 Claude Code, Codex, OpenCode 5 81 tok
jpantsjoha/googlecloud-plugin A full Google Cloud delivery team for your coding agent — vendor-objective solution design 4 Codex, Gemini CLI, OpenCode 2 985 tok
packtman/AI-Tools-Secure-Configs 4 Codex, OpenCode 1 460 tok
madebywild/agent-rules wild.as Convert one set of agent rules into many providers' compliant versions 4 Claude Code, Codex, GitHub Copilot, OpenCode 3 3,060 tok
HaoweiChan/tinboker tinboker.com Taiwanese stock & podcast intelligence — TW/US stock dashboard, relationship graph explore 4 Claude Code, Codex, OpenCode 18 2,292 tok
prathamdby/skills 📚 A collection of my day-to-day skills. 4 Codex, OpenCode 1 1,387 tok
jedmamosto/open-agent-engine The open-source compiler & multi-agent runtime for coding agents 4 Claude Code, Codex, OpenCode 2 586 tok
tungpsit/haki-skills AI workflow system — project initialization, task planning, and execution with TDD-first a 4 Claude Code, Codex 25
Desquared/agents-rules-skills 4 Codex, OpenCode 1 1,445 tok
Garyzhu-hub/software-controlled-skills 4 Claude Code, Codex, OpenCode 4 292 tok
Haroon966/pinky-cursor 4 Claude Code, Codex, OpenCode 2 1,860 tok
koldovsky/project-factory Self-improving, spec-driven multi-agent SDLC delivery framework — agent-agnostic plugin fo 4 Claude Code, Codex, GitHub Copilot, OpenCode 3 795 tok
maccman/ai-expo-starter-template An AI ready starter template for building react-native apps 4 Codex, OpenCode 1 2,116 tok
ArabAgentSkills/arab-payments-skill-atlas AI agent skill atlas for safer Arab/MENA payment and BNPL integrations. 4 Claude Code, Codex, GitHub Copilot, OpenCode 3 803 tok
lesleslie/spline-mcp MCP server for Spline.design 3D scene orchestration 4 Claude Code, Codex, OpenCode 2 1,308 tok
VoytechG/spec-driven-development Multi-area spec-driven development plugin for Claude Code, Codex, and Gemini CLI. Loads th 4 Claude Code, Codex, Gemini CLI, OpenCode 3 868 tok
bop-clocktower/canary Canary — AI-powered test automation agent. Generate, review, recommend, and de-flake tests 4 Claude Code, Codex, OpenCode 7 21,128 tok
Data-Wise/craft data-wise.github.io Full-stack developer toolkit - 86 commands, 8 agents, 21 skills for code, git, docs, testi 4 Claude Code, Codex, OpenCode 2 3,351 tok
nbiish/gikendaasowin-aabajichiganan-mcp ᑭᑫᓐᑖᓱᐎᓐ ᐋᐸᒋᒋᑲᓇᓐ - Gikendaasowin Aabajichiganan - Cognitive Tools MCP server implemented fr 4 Codex, OpenCode 1 801 tok
tkellogg/postal-mcp A mailbox system for two or more agents to communicate via MCP 4 Codex, OpenCode 1 52 tok
redhat-community-ai-tools/igloo-mcp An unofficial MCP server for Igloo - a workspace intranet platform. 4 Codex, OpenCode 1 361 tok
loong95/javadoc-mcp An MCP (Model Context Protocol) server that lets AI assistants browse JavaDoc documentatio 4 Codex, OpenCode 1 530 tok
Sighthesia/interactive-choice-mcp An MCP Server that enables AI to provide options and launch an interactive interface for u 4 Claude Code, Codex, OpenCode 7 3,094 tok
sandraschi/tailscale-mcp Operate your tailnet from AI tools using the Tailscale Admin API via FastMCP and webapp 4 Claude Code, Codex, Cursor, OpenCode 4 1,646 tok
jokull/agent-cms Agent-first headless CMS on Cloudflare Workers. MCP-driven schema + content management, Gr 4 Claude Code, Codex, OpenCode 2 720 tok
isaaccorley/planetary-computer-mcp A MCP Server for querying and downloading satellite imagery from the Planetary Computer ST 4 Codex, OpenCode 1 1,493 tok
Timorleiderman/OpticMCP AI vision 4 Codex, OpenCode 1 221 tok
pc035860/scratchpad-mcp lAn MCP server that provides shared scratchpads for Claude Code agents to collaborate and 4 Claude Code, Codex, OpenCode 2 1,882 tok