24,815 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 agents8,505Claude Code6,886Git and workflow3,611Data and AI3,580Backend and APIs3,556Languages3,487Planning3,327Code review2,899Testing2,686Writing and docs2,480DevOps and cloud2,479Memory and context2,375Research2,323Frontend2,308Security2,172Project management1,965
All Claude Code32,517 Codex24,815 OpenCode23,733 GitHub Copilot3,719 Gemini CLI2,034 Cursor1,770 Windsurf202 Kiro114
| Project | Stars | Configures | Files | Always loaded |
|---|---|---|---|---|
| frootai/frootai frootai.dev From the Roots to the Fruits ! | 7 | Claude Code, Codex, GitHub Copilot, OpenCode | 9 | 9,774 tok |
| lambda-curry/devagent | 7 | Claude Code, Codex, GitHub Copilot, Cursor, Gemini CLI, OpenCode | 34 | 421 tok |
| Diplomat-ai/diplomat-agent diplomat.run What can your AI agent do to the real world? Scan your code. See which tool calls have zer | 7 | Claude Code, Codex, GitHub Copilot, OpenCode | 3 | 1,004 tok |
| luccapinto/agentic-data-kit The definitive AI Toolkit for Data Engineering & Analytics. Pre-configured specialists, sk | 7 | Codex, GitHub Copilot, OpenCode | 2 | 1,304 tok |
| zx06/xsql 🤖 AI-first cross-database CLI tool. Query MySQL/PostgreSQL safely with read-only protecti | 7 | Claude Code, Codex, OpenCode | 2 | 2,593 tok |
| Orpheus-K/symbiopulse SymbioPulse is an MCP-first context layer for AI coding agents. It builds a persistent pro | 7 | Claude Code, Codex, GitHub Copilot, Cursor, Gemini CLI, OpenCode | 5 | 1,565 tok |
| damien-schneider/agent-skills-library agents-library.dev The centralized hub for AI agent capabilities. Discover, share, and manage high-quality ma | 7 | Claude Code, Codex, GitHub Copilot, Gemini CLI, OpenCode | 5 | 3,309 tok |
| francescogabrieli/glyph Instructions-as-Code toolchain for compact, measurable agent instruction manifests | 7 | Codex, GitHub Copilot, OpenCode | 2 | 2,828 tok |
| canblmz1/ruleProb Test whether your CLAUDE.md, AGENTS.md and .cursor/rules actually survive AI agent executi | 7 | Claude Code, Codex, OpenCode | 2 | 2,881 tok |
| omarhelal1234/ai-agents-library The Agency — 184 AI specialists + a browser orchestrator that builds, tests and ships proj | 7 | Claude Code, Codex | 2 | — |
| bntvllnt/codebase-intelligence npmjs.com CLI-first TypeScript codebase analysis with hotspots, impact, dead-export detection, and a | 7 | Claude Code, Codex, OpenCode | 2 | 3,174 tok |
| aka-NameRec/ai-standards Centralized AGENTS.md generator for project AI standards. | 7 | Codex, OpenCode | 2 | 6,168 tok |
| johnnichev/nv-context skills.nichevlabs.com nv:context > Context engineering for engineers who ship. Auto-detects, analyzes, generates | 7 | Claude Code, Codex, Gemini CLI, OpenCode | 3 | 1,235 tok |
| ksgisang/AI-Watch-Tester ai-watch-tester.vercel.app AI-powered automated E2E testing. Just enter a URL — AI generates and runs test scenarios. | 7 | Claude Code, Codex, OpenCode | 2 | 36,800 tok |
| damienbenveniste/ScaffoldGuard | 7 | Codex, OpenCode | 1 | 4,254 tok |
| Apptware-Product-Labs/markr apptware.com Fast Markdown preview for VS Code & Cursor — GitHub rendering, live TOC, Mermaid, multi-ta | 7 | Claude Code, Codex, Cursor, OpenCode | 3 | 1,265 tok |
| voidlab7/weiyige-pavilion | 7 | Claude Code, Codex, OpenCode | 9 | 4,941 tok |
| JKorf/Toobit.Net cryptoexchange.jkorf.dev C#/.NET client library for the Toobit.com cryptocurrency exchange REST and WebSocket APIs, | 7 | Codex, GitHub Copilot, OpenCode | 2 | 2,831 tok |
| keaven/gsDesignSkills keaven.github.io Claude Code skills for clinical trial design R packages (gsDesign, gsDesign2, rpact, graph | 7 | Claude Code, Codex, OpenCode | 2 | 524 tok |
| hojinlee/multi-agent-repo-handoff-skill | 7 | Claude Code, Codex, GitHub Copilot, OpenCode | 3 | 1,096 tok |
| xc404/kiwi | 7 | Claude Code, Codex, Cursor, OpenCode | 9 | 1,656 tok |
| dhruv-anand-aintech/agent-rules-sync Synchronize rules, skills, settings, and MCP servers across Claude Code, Cursor, Gemini, O | 7 | Claude Code, Codex, OpenCode | 2 | 3,515 tok |
| agentconfig/agentconfig.org agentconfig.org Elevate your AI assistants by configuring them for any role or workflow. Explore the primi | 7 | Claude Code, Codex, OpenCode | 14 | 2,373 tok |
| keska-labs/enterprise-skills Cursor / VSCode plugin for working with private skills repositories. | 7 | Codex, OpenCode | 1 | 1,765 tok |
| BlackLeg15/desafio_bloc_1 Flutter Playground app | 7 | Codex, Cursor, OpenCode | 4 | 846 tok |
| artmalkov/marketing-agi | 7 | Codex, OpenCode | 1 | 449 tok |
| merencia/pairwith | 7 | Codex, OpenCode | 1 | 686 tok |
| aperepel/claude-spec-builder Claude Code plugin for structured requirements gathering via adaptive interviews. Integrat | 7 | Claude Code, Codex, OpenCode | 2 | 785 tok |
| OITApps/claude-code-team-commander Blueprint for building a shared Claude Code configuration for your team — personas, comman | 7 | Claude Code, Codex, OpenCode | 2 | 277 tok |
| joshidikshant/devsquad Claude Code plugin that intercepts tool calls with hooks and routes work across Gemini, Co | 7 | Codex, OpenCode | 1 | 335 tok |
| pbmagnet4/nlm-memory npmjs.com Local-first memory for AI agents across tools, sessions and projects. Recover decisions, i | 7 | Codex, OpenCode | 1 | 181 tok |
| chenmitchell/omg-payment-skill AI Skill for OMG Payment Gateway (Taiwanese third-party payment API with credit card, ATM, | 7 | Claude Code, Codex, Gemini CLI, OpenCode | 3 | 6,176 tok |
| olegvg/olegvg-skills Claude Code plugin: three-layer knowledge base pattern (sources, summaries, indexes) for a | 7 | Claude Code, Codex, OpenCode | 2 | 1,147 tok |
| jamestelfer/sandy Sandboxed TypeScript runtime for AI coding agents to query AWS — full SDK access with in-s | 7 | Claude Code, Codex, OpenCode | 2 | 1,744 tok |
| mem9-ai/mem9-claude-plugin Mem9 persistent cloud memory plugin for Claude Code — installable via CoWork | 7 | Codex, OpenCode | 1 | 325 tok |
| shrwnsan/vibekit-claude-plugins VibeKit: Productivity Plus Claude Code Plugin Marketplace. A curated collection of product | 7 | Codex, OpenCode | 1 | 2,052 tok |
| CarolaneLFBV/ios-development-agents Ultra-granular iOS development for AI agents (1 plugin = 1 job) | 7 | Claude Code, Codex, OpenCode | 2 | 367 tok |
| andreasasprou/agent-skills Claude Code plugins: Oracle (GPT-5.2 advisor), Safety Net (block destructive commands), op | 7 | Codex, OpenCode | 1 | 89 tok |
| sablier-labs/plugin-marketplace Official Sablier plugin marketplace for AI agents like Claude Code | 7 | Claude Code, Codex, OpenCode | 2 | 248 tok |
| jamstop/claude-code-nostalgia-sounds Nostalgic sound effects plugin for Claude Code - dial-up tones, Windows XP sounds, AOL mai | 7 | Codex, OpenCode | 1 | 1,824 tok |
| URaux/archviber-plugin ArchViber: Architecture visualization plugin for Claude Code | 7 | Claude Code, Codex, OpenCode | 2 | 1,234 tok |
| Consiliency/Flutter-Structurizr Flutter Structurizr diagram manipulation implementation. | 7 | Claude Code, Codex, OpenCode | 8 | 9,684 tok |
| dhar174/custom_github_copilot_agent_builder A framework for building customized, optimized custom Github Copilot agents using custom r | 7 | Claude Code, Codex, GitHub Copilot, Gemini CLI, OpenCode | 91 | 92,360 tok |
| leprachuan/Wee-Orchestrator 🍀 Self-hosted multi-agent AI orchestrator — chat with Claude, Gemini & Copilot CLI from T | 7 | Codex, OpenCode | 1 | 3,470 tok |
| bastos/skills My own collection of skills | 7 | Claude Code, Codex, OpenCode | 2 | 993 tok |
| widoriezebos/descartes-mcp MCP server for java. Deep introspection and REPL out of the box | 7 | Claude Code, Codex, Gemini CLI, OpenCode | 4 | 2,047 tok |
| magiclane/magiclane-mcp-server developer.magiclane.com A Model Context Protocol (MCP) server enabling AI agents with Magic Lane's location search | 7 | Claude Code, Codex, OpenCode | 2 | 6,103 tok |
| nitish-raj/searxng-mcp-bridge npmjs.com Model-Context Protocol server that acts as a bridge to a SearxNG instance | 7 | Codex, OpenCode | 1 | 917 tok |
| PiwikPRO/mcp Piwik PRO MCP server | 7 | Codex, OpenCode | 1 | 850 tok |
| TheStranjer/foundry-vtt-mcp | 7 | Codex, OpenCode | 1 | 204 tok |