43,652 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 |
|---|---|---|---|---|
| tokligence/redmem redact + memory — industrial-grade Claude Code infrastructure. Secret protection + persist | 4 | Claude Code | 1 | 4,890 tok |
| mahuttha/offensive-recon Claude Code plugin — 8 skills + 2 agents for multi-phase offensive reconnaissance (nmap, n | 4 | Claude Code | 1 | 768 tok |
| OpenAnalystInc/10x-analyst 10x.in Multi-agent Claude Code plugin for end-to-end data analysis automation — agentic swarm wit | 4 | Claude Code | 1 | 1,364 tok |
| Emasoft/ghe-marketplace GHE (GitHub-Elements) - Persistent memory plugin for Claude Code using GitHub Issues (Warn | 4 | Claude Code | 1 | 1,868 tok |
| equity-rigor/us-equity-research Institutional-grade equity research plugins for Claude Code: deep-dive workflow + IC-grade | 4 | Claude Code | 1 | — |
| 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 |
| cdeistopened/ask-huberman Ask Huberman — Claude Code plugin for Huberman Lab podcast. 12 interactive skills, 56 fram | 4 | Claude Code | 1 | 1,016 tok |
| ekroon/opencode-copilot-instructions OpenCode plugin that loads GitHub Copilot custom instruction files | 4 | Codex, GitHub Copilot, OpenCode | 4 | 1,315 tok |
| PEZ/awesome-copilot-index pez.github.io Awesome Copilot Instructions Index | 4 | GitHub Copilot | 1 | 2,119 tok |
| ntsd/dotfiles Cross-platform dotfiles: Make + Stow, Homebrew/asdf, Copilot instruction & chat mode manag | 4 | GitHub Copilot | 4 | 1,192 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 |
| ivegamsft/basecoat ivegamsft.github.io Enterprise shared library of GitHub Copilot customization assets — agents, skills, instruc | 4 | GitHub Copilot | 1 | 990 tok |
| mrieck/garrys-count Garry's Count is a Claude Code hook and skill that tracks how many lines of "hand-written | 4 | Claude Code | 1 | 458 tok |
| nishanil/copilot-guide A simple guide to every GitHub Copilot customization and agentic feature — instructions, a | 4 | GitHub Copilot | 1 | 679 tok |
| CTOUT/vscode-copilot-sync PowerShell toolkit to sync, install, and manage GitHub Copilot agents, instructions, hooks | 4 | GitHub Copilot | 1 | 1,008 tok |
| micaelmalta/mcp-server-datadog | 4 | Claude Code | 1 | 2,573 tok |
| Ayont/ayontclaudian ayontclaudian — Obsidian plugin embedding Claude Code, Codex, Antigravity & Kimi coding-ag | 4 | Claude Code, Codex, OpenCode | 2 | 2,926 tok |
| good-boy4069/Deepseek-omnimodal Open-source multimodal MCP plugin for text-only AI agents: recognize and generate images, | 4 | Claude Code | 1 | 495 tok |
| 0xra0/bethesda-strings-editor PySide6 translation editor for Bethesda Starfield — edits .strings/.dlstrings/.ilstrings, | 4 | Claude Code | 1 | 21,896 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 |
| Sleepywalker69/OSRS-MCP-Companion A RuneLite plugin that exposes live game data via a local HTTP API, paired with an MCP ser | 4 | Claude Code | 1 | 521 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 |
| 4d-depot/Copilot-Instructions-for-4D Copilot Instructions and Prompts for 4D language | 4 | GitHub Copilot | 1 | 860 tok |
| ABilenduke/copilot-developer A curated list of developer friendly, production ready instructions, chatmodes, prompts an | 4 | Claude Code, GitHub Copilot | 3 | 1,009 tok |
| wkusnierczyk/aigent A library, CLI, and Claude plugin for managing agent skill definitions | 4 | Claude Code | 1 | 557 tok |
| cameronsjo/workbench Marketplace registry for Cameron's Claude Code plugins — the cadence ecosystem and its sat | 4 | Claude Code | 1 | 819 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 |
| reganomalley/claudia getclaudia.dev Proactive technology mentor plugin for Claude Code. 10 knowledge domains, 7 automated hook | 4 | Claude Code | 1 | 1,050 tok |
| diepquynh/ultracode A plugin for Claude Code/Codex/Grok Build/Antigravity, not for classic vibe coders | 4 | Claude Code | 1 | 1,317 tok |
| swmcc/agentic.nvim Dual-agent agentic workflow plugin for Neovim with Claude Code and Gemini CLI support | 4 | Claude Code | 2 | 458 tok |
| konstantindenerz/cc-notifynub Claude Code plugin — tmux popup notifications with a pixel-art mascot | 4 | Claude Code | 1 | 67 tok |
| tatat/zunda-presenter Zundamon × Shikoku Metan narrate your coding-agent plans as auto-playing presentations (Cl | 4 | Claude Code | 1 | 2,045 tok |
| cimomo/intrinsic From ticker to thesis. A Claude Code plugin for equity research and DCF valuation. | 4 | Claude Code | 1 | 1,125 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 |
| kyler-ross/metis | 4 | Claude Code, Cursor | 44 | 6 tok |
| synthet1cc/unloop-mcp MCP server that detects AI fix loops and forces course correction. Error fingerprinting + | 4 | Claude Code | 1 | — |
| FortAwesome/fontawesome-agent-tools fontawesome.com The internet's favorite icon library and toolkit in an Agent-friendly package. | 4 | Claude Code | 1 | 526 tok |
| prathamdby/skills 📚 A collection of my day-to-day skills. | 4 | Codex, OpenCode | 1 | 1,443 tok |
| jedmamosto/open-agent-engine The open-source compiler & multi-agent runtime for coding agents | 4 | Claude Code, Codex, OpenCode | 2 | 586 tok |
| ibrahimylcn/universal-rules | 4 | GitHub Copilot | 1 | 2,696 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 |
| DevOtts/all-skills-you-will-ever-need My best practices and guidelines to improve the quality of AI-generated code in tools like | 4 | Claude Code | 15 | — |
| 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 |