32,539 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 agents8,544Claude Code6,892Git and workflow3,622Data and AI3,580Backend and APIs3,558Languages3,492Planning3,321Code review2,907Testing2,690DevOps and cloud2,489Writing and docs2,484Memory and context2,374Research2,321Frontend2,311Security2,178Project management1,971
All Claude Code32,539 Codex24,879 OpenCode23,799 GitHub Copilot3,723 Gemini CLI2,040 Cursor1,772 Windsurf202 Kiro116
| Project | Stars | Configures | Files | Always loaded |
|---|---|---|---|---|
| R44VC0RP/cursor.link cursor.link gists but for cursor rules, easy to share | 20 | Claude Code, Cursor | 1 | — |
| LeavittSoftware/titanium-elements storybook.leavitt.com | 20 | Claude Code | 1 | 1,446 tok |
| arittr/spectacular ⚓✨ Spec-anchored, stack-driven development tools for Claude Code | 20 | Claude Code, Codex | 2 | 5,858 tok |
| Zenobia000/claude-Godzilla-z | 20 | Claude Code, Codex | 38 | 752 tok |
| charliesbot/one A beautifully designed fasting tracker with full Wear OS support. | 20 | Claude Code, Codex, Gemini CLI, OpenCode | 3 | 1,076 tok |
| ronnycoding/.claude Claude Code configuration featuring specialized AI agents, custom skills, automated GitHub | 20 | Claude Code | 1 | 1,440 tok |
| ankit-thawal47/overwatch | 20 | Claude Code, Codex, OpenCode | 2 | 1,849 tok |
| mikesparr/enterprise-api-starter-nodejs Full-featured enterprise API starter for NodeJS / Typescript with passwordless login, RBAC | 20 | Claude Code | 1 | 3,873 tok |
| ProsusAI/prism Give Claude Code persistent memory — captures patterns from your sessions, validates them | 20 | Claude Code | 1 | 2,987 tok |
| egoist/sqlite-mcp MCP server for SQLite | 20 | Claude Code | 1 | 747 tok |
| am-will/everymcp Universal MCP server installer - install any MCP server to any AI agent with one command | 20 | Claude Code | 1 | 893 tok |
| allenday/solr-mcp A Python package for accessing Solr indexes via Claude Code | 20 | Claude Code | 1 | 693 tok |
| shelfio/datadog-mcp Datadog MCP Server - Comprehensive monitoring and observability tools for Datadog via Mode | 20 | Claude Code | 1 | 1,686 tok |
| bobmatnyc/mcp-skillset Dynamic RAG-powered skills service for code assistants via MCP - Vector + Knowledge Graph | 20 | Claude Code | 16 | 917 tok |
| nguyenvanduocit/google-mcp | 20 | Claude Code | 1 | 693 tok |
| AllDmeat/kaiten-mcp | 20 | Claude Code, Codex, OpenCode | 11 | 115 tok |
| ipdelete/mcp-code-execution Python implementation of the code execution pattern for Model Context Protocol (MCP) | 20 | Claude Code, Codex, OpenCode | 5 | 1,014 tok |
| idachev/mcp-javadc | 20 | Claude Code | 1 | 411 tok |
| savannah-i-g/nanotracker-api-sdk Drive a live nanoTracker session (https://federatedindustrial.com/tracker) from any AI cod | 20 | Claude Code, Codex, GitHub Copilot, OpenCode | 10 | 3,370 tok |
| dingshuxin353/acp Agent Communication Protocol - a message format standard for efficient communication betwe | 20 | Claude Code, Codex, OpenCode | 2 | 1,652 tok |
| pierreb-devkit/Node weareopensource.me :computer: Node - Boilerplate Back : Express, Jwt, Mongo, Sequelize | 20 | Claude Code, Codex, GitHub Copilot, OpenCode | 4 | 2,293 tok |
| thirawat27/Ruvyxa npmjs.com Ruvyxa is a production-minded web framework built around clarity, speed, and control. It k | 20 | Claude Code, Codex, OpenCode | 2 | 15,922 tok |
| linux-root/scala-zio-skills ZIO Scala coding rules, anti-patterns, and decision guides — installable as a Claude Code | 20 | Claude Code, OpenCode | 1 | — |
| lcalmsky/ghostty-claude-intellij IntelliJ plugin to open Ghostty terminal with Claude Code, sending current file and select | 20 | Claude Code | 1 | 230 tok |
| barseghyanartur/fake.py pypi.org Minimalistic, standalone alternative fake data generator with no dependencies | 20 | Claude Code, Codex, OpenCode | 2 | 3,382 tok |
| OpenCompanyApp/kosmokrator AI coding agent for the terminal — PHP 8.4, Symfony TUI, mythology-themed | 20 | Claude Code, Codex, OpenCode | 2 | 4,943 tok |
| mullionlabs/mullion-ts mullion-demo-helpdesk.vercel.app Type-safe LLM context management for TypeScript | 20 | Claude Code, Codex, OpenCode | 2 | 4,227 tok |
| frostney/GocciaScript An ECMAScript engine for embedding, with sensible defaults that are easy to customize: hos | 20 | Claude Code, Codex, OpenCode | 33 | 1,495 tok |
| B3Pay/ic-reactor b3pay.net TypeScript and React client for Internet Computer canisters: typed calls from a .did file, | 20 | Claude Code, Codex, OpenCode | 2 | 4,858 tok |
| jianxcao/qbittorrent-web A modern, feature-rich web interface for qBittorrent client management | 20 | Claude Code, Codex, OpenCode | 4 | 1,999 tok |
| nguyenvanduocit/research-kit 💫 Toolkit to help you get started with Spec-Driven Research | 20 | Claude Code, Codex, OpenCode | 2 | 6,040 tok |
| jumppad-labs/spektacular spektacular.dev Spec-driven development for AI coding agents. Spektacular helps you to generate specificat | 20 | Claude Code, Codex, OpenCode | 4 | 4,884 tok |
| xTeardx/diaphora-mcp MCP server for automated binary diffing. | 20 | Claude Code, Codex, OpenCode | 2 | 1,278 tok |
| andyed/muriel Design skill for coding agents. It translates between design languages, expresses them in | 20 | Claude Code | 1 | — |
| angadhn/botference botference.com One room, three minds: a multi-LLM planning council for your terminal — you, Claude Code, | 20 | Claude Code, Codex | 27 | 179 tok |
| agntcms/agntcms agntcms.com Agentic headless cms. Built on Next.js. Powered by Claude. Owned by you. | 20 | Claude Code | 6 | 2,511 tok |
| core0-io/nio core0-io.github.io Execution assurance agent guard and observability for autonomous AI operating in productio | 20 | Claude Code, Codex | 1 | 3,473 tok |
| russbeye/claude-memory-bank Give Claude Code a brain upgrade. Automatically tracks your work and keeps everything orga | 20 | Claude Code | 1 | 849 tok |
| mm-weber/loremaester TTRPG worldbuilding in Claude Code: Obsidian vault canon + R2R retrieval over OCR'd source | 20 | Claude Code | 1 | — |
| phenomenoner/neoapi-skill Fubon Neo Python skill package: trading and market data workflows, test environment integr | 20 | Claude Code, Codex, Gemini CLI, OpenCode | 3 | 2,425 tok |
| Teycir/Assumptions A SKILL that turns a code diff into an evidence-backed ledger of hidden assumptions, failu | 20 | Claude Code, Codex, OpenCode | 2 | 273 tok |
| dengls24/annota modelcontextprotocol.io Annota — AI-Powered Paper Annotation MCP Server. Reads PDFs, highlights findings, explains | 20 | Claude Code | 4 | — |
| IronSecCo/ironclaw ironsecco.github.io Security-first, self-hosted AI agents - isolation you can prove, not just promise. | 20 | Claude Code, Codex, OpenCode | 2 | 315 tok |
| yultyyev/better-auth-firebase-auth npmjs.com Use Firebase Authentication (Phone SMS OTP, Google, Email) with Better Auth sessions, orga | 20 | Claude Code, Codex, OpenCode | 2 | 2,443 tok |
| buildinternet/uploads uploads.sh Lightweight file host and upload tools for coding agents to add artifacts to pull requests | 20 | Claude Code, Codex, OpenCode | 2 | 5,047 tok |
| Knuckles-Team/servicenow-api ServiceNow MCP Server and API Wrapper | 20 | Claude Code, Codex, OpenCode | 2 | 4,722 tok |
| ben-rogerson/git-worktree-toolbox Easily manage git worktrees, launch tasks and work on multiple features in parallel. | 20 | Claude Code | 5 | 291 tok |
| nemanjavlahovic/instruments-mcp-server MCP server for Xcode Instruments — AI agents get structured performance profiling (CPU, Sw | 20 | Claude Code | 1 | 480 tok |
| Signal-Loop/UnityCodeMCPServer Unity Code MCP Server is a powerful tool for the Unity Editor that gives AI Agents ability | 20 | Claude Code, Codex, OpenCode | 4 | 729 tok |
| Bugb-Technologies/guardlink guardlink.bugb.io AI-maintained security annotations for code. Continuous threat modeling, enforced in CI. | 20 | Claude Code, Codex, GitHub Copilot, OpenCode, Windsurf | 4 | 4,173 tok |