43,695 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 agents7,622Claude Code6,647Data and AI3,678Backend and APIs3,504Languages3,404Planning3,218Git and workflow3,203Code review2,744Testing2,378Memory and context2,367Writing and docs2,318DevOps and cloud2,312Research2,291Frontend2,259Security2,027Productivity1,717
All Claude Code32,008 Codex23,279 OpenCode22,224 GitHub Copilot3,555 Gemini CLI1,920 Cursor1,736 Windsurf139 Kiro81
| Project | Stars | Configures | Files | Always loaded |
|---|---|---|---|---|
| benigeri/braintrust-claude-plugin Claude Code plugin for managing Braintrust prompts | 3 | Codex, OpenCode | 1 | 166 tok |
| naporin0624/claude-web-audit-plugins | 3 | Claude Code | 2 | 1,612 tok |
| djenriquez/claude-plugins Custom Claude Code plugins, skills, and agents | 3 | Claude Code | 1 | 1,468 tok |
| mrstroz/claude-code-plugins | 3 | Claude Code | 1 | 12,488 tok |
| tomoking2004/claude-plugins A collection of Claude Code plugins unified by a single standard of beauty. | 3 | Claude Code | 3 | 163 tok |
| iamcxa/kc-claude-plugins Claude Code plugin marketplace — curated plugins for browser E2E testing and more | 3 | Claude Code | 1 | 2,405 tok |
| barnburner121/claude-plugin-marketplace The largest Claude Code plugin marketplace. 500 plugins, 600+ developer tools in one MCP s | 3 | Claude Code | 1 | 300 tok |
| bvdr/claude-plugins A curated collection of custom Claude Code skills for macOS productivity and development w | 3 | Claude Code | 1 | 1,011 tok |
| SkillPanel/claude-plugins | 3 | Claude Code | 1 | 374 tok |
| denisraison/claude-plugins Tooling for running AI coding agents in production workflows. | 3 | Claude Code | 1 | 560 tok |
| pokutuna/claude-plugins | 3 | Claude Code | 3 | 488 tok |
| zackbart/agent-plugins Personal Claude Code plugin marketplace - claude-hud, motif, helm | 3 | Claude Code | 1 | 675 tok |
| radumarias/xorio-claude-plugin How I'm using claude code | 3 | Claude Code | 1 | 3,258 tok |
| caseyWebb/elm-claude-plugin Claude Code Plugin for Elm | 3 | Claude Code | 1 | 362 tok |
| iofold/ainative-claude-plugins | 3 | Claude Code | 1 | — |
| hidetsugu-miya/claude-plugins | 3 | Claude Code, Codex, OpenCode | 6 | 1,318 tok |
| ory/claude-plugins | 3 | Claude Code | 1 | 324 tok |
| lucasnad27/claude-plugins Claude Code plugins for enhanced development workflows. Includes Research → Plan → Impleme | 3 | Claude Code | 1 | 271 tok |
| krmcbride/claude-plugins Claude Code plugin marketplace | 3 | Claude Code | 1 | 1,641 tok |
| 7tsuno/claude-plugins Claude Code skill for executing multiple prompts sequentially with physical isolation | 3 | Claude Code | 1 | — |
| jskswamy/claude-plugins A curated collection of Claude Code plugins focused on developer workflows, code generatio | 3 | Claude Code, Codex, OpenCode | 3 | 2,178 tok |
| artreimus/software-factory-starter Sample software factory repository with agent contracts, specs, plans, skills, MCP policy, | 3 | Codex, OpenCode | 1 | 793 tok |
| loveautomate/ai-qa-agent | 3 | Claude Code, Codex, OpenCode | 2 | 574 tok |
| kelsocelso/cortex A cortex for your AI — memory, routing, and planning so it doesn't start every session fro | 3 | Claude Code | 1 | 1,012 tok |
| ypolon7kiy/akashi VS Code Extension For LLMs related files. | 3 | Claude Code, Codex, OpenCode | 7 | 1,034 tok |
| wingify/wingify-fme-mcp developers.vwo.com MCP Server for Feature Management & Experimentation | 3 | Codex, OpenCode | 1 | 1,451 tok |
| wri/wri-design-systems wri.github.io WRI UI Library | 3 | Claude Code | 3 | — |
| Glavin001/vibe-land-old A lightweight 3D web-based multiplayer starter kit using Three.js, React, and SpacetimeDB. | 3 | Claude Code, Codex, OpenCode | 2 | 1,756 tok |
| Ming-321/cursor-better-feedback | 3 | Codex, OpenCode | 1 | 312 tok |
| WenBin6/thesis-md-word-workflow A standard SOP skill for quickly drafting papers with AI tools, which can be combined with | 3 | Claude Code, Codex, GitHub Copilot, Cursor, Gemini CLI, OpenCode | 5 | 1,153 tok |
| TypeFox/Coding.Waterkant.2025 Project for Coding.Waterkant 2025 | 3 | GitHub Copilot | 1 | 1,514 tok |
| rileyhilliard/agentrc Write your agent rules once | 3 | Claude Code | 1 | — |
| XelaNull/Claude_Samantha Samantha oversight and system prompt | 3 | Claude Code, Codex, OpenCode | 27 | 2,277 tok |
| RajanChavada/Rosetta CLI tool that scaffolds and syncs agentic AI rules/skills across distinct and fragmented I | 3 | Claude Code, GitHub Copilot, Cursor | 3 | 1,849 tok |
| erionrb/agent-sdd-kit Spec-driven AI practice workspace: OpenSpec SDD workflow, mirrored Claude/Cursor skills, a | 3 | Claude Code, Cursor | 13 | 691 tok |
| jamestorrevillas/dev-skills A modular AI skill library for software engineers. 37 SKILL.md files covering technical, s | 3 | GitHub Copilot | 1 | 1,484 tok |
| matiaszaldarriaga/ai-workspace-framework-core Another attempt that lives inside projects | 3 | Claude Code, Cursor | 29 | 183 tok |
| edenbuilds/arya-ai | 3 | Claude Code, Codex, Gemini CLI, OpenCode | 3 | 426 tok |
| percona/percona-messaging | 3 | Claude Code, Codex, OpenCode | 2 | 143 tok |
| vguleaev/cursor-todo-prompt-kit Simple Cursor prompt library to manage agent memory TODO.md file | 3 | Claude Code, Cursor | 4 | — |
| punkadillo/figma-code-composer punkadillo.github.io A simple orchestration for developing figma design to frontend components | 3 | Claude Code, Codex, OpenCode | 26 | 1,633 tok |
| kkanakas/AI-Prompts-for-Product-Management Prompt templates for Product Managers to use with AI | 3 | Claude Code | 1 | — |
| jootsing-research/tapkit-plugins-claude | 3 | Claude Code | 1 | — |
| a8cteam51/claude-code-plugins Claude Code plugins by Automattic's Special Projects team for WordPress development, secur | 3 | Claude Code | 1 | 889 tok |
| stefanrows/claude-code-plugins Claude Code plugin marketplace by Stefan Rows (skills, agents, commands, hooks) | 3 | Claude Code, Codex, OpenCode | 2 | 313 tok |
| seeker71/Coherence-Network coherencycoin.com Open intelligence platform that traces every idea from inception to payout — with fair att | 3 | Claude Code, Codex, Cursor, Gemini CLI, OpenCode | 17 | 21,136 tok |
| SecondLifes/delphi-expert An opinionated ecosystem of rules, skills and steerings to elevate Delphi development to s | 3 | Claude Code, Codex, GitHub Copilot, Gemini CLI, OpenCode | 4 | 11,182 tok |
| EngDawood/emdash-claude-plugin Claude Code plugin for EmDash CMS — skills and investigation agents for building Astro + C | 3 | Claude Code | 1 | 492 tok |
| OthmanAdi/chronos aware-bloom-szmt.here.now Time awareness for AI coding agents. Hook-backed ledger, 7 decision rules, 8 platforms. Fi | 3 | Codex, OpenCode | 1 | 762 tok |
| humzakt/dev-starter-kit Production-ready starter repository with CI/CD workflows, issue templates, incident runboo | 3 | Claude Code, Codex, GitHub Copilot, OpenCode | 3 | 1,704 tok |