43,730 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 agents7,670Claude Code6,650Data and AI3,673Backend and APIs3,507Languages3,392Planning3,227Git and workflow3,211Code review2,744Testing2,385Memory and context2,367Writing and docs2,330DevOps and cloud2,314Research2,288Frontend2,261Security2,032Productivity1,722
All Claude Code31,994 Codex23,359 OpenCode22,302 GitHub Copilot3,560 Gemini CLI1,917 Cursor1,740 Windsurf142 Kiro82
| Project | Stars | Configures | Files | Always loaded |
|---|---|---|---|---|
| Jest3r666/kwai-ai-tools kuaishou (kwai) internal AI-ops tools: connectivity checker, claude/cursor rules, skill @k | 2 | Claude Code | 1 | 398 tok |
| chitamoor/shipkit chitamoor.github.io Production-ready full-stack starter: Next.js 15 + Expo 54 + Better Auth + Mastra AI + Neon | 2 | Codex, OpenCode | 1 | 3,842 tok |
| waynesutton/agent-memory | 2 | Claude Code, Codex, OpenCode | 2 | 2,501 tok |
| jakerains/CitrusRules CLI tool to fetch Cursor .mdc rule templates for better AI assistance | 2 | Claude Code | 1 | 340 tok |
| joey114132/fable-workflow-skill Fable Workflow — a portable Claude Code / Cursor agent skill that makes any model (Opus, S | 2 | Claude Code | 1 | 354 tok |
| omtodkar/librarian AI coding assistant skill for 7 platforms. Turn your project into a searchable knowledge b | 2 | Claude Code, Codex, GitHub Copilot, Gemini CLI, OpenCode | 4 | 4,194 tok |
| stlwolf/ai-development-hub Centralized, reusable, and optimized AI prompts and docs for development workflows. | 2 | Claude Code, Codex, OpenCode | 2 | 2,468 tok |
| Pukakiii/Job-Agent AI-first job search platform with semantic CV matching, AI-powered application generation, | 2 | GitHub Copilot | 7 | 2,508 tok |
| Xclaw-bot/benchmark-task-authoring Claude Code skill: measured laws for authoring hard Terminal-Bench 2 / Harbor benchmark ta | 2 | Claude Code, Codex, OpenCode | 1 | 6,621 tok |
| micahcourey/mnemix-context A config-driven, multi-platform toolkit for generating AI coding resources | 2 | GitHub Copilot | 1 | 3,717 tok |
| setavenger/agent-skill-set | 2 | Claude Code, Cursor | 23 | — |
| stackoverworld/primer-ai | 2 | Codex, OpenCode | 1 | 1,367 tok |
| aizhangdeshuai-cmd/hlskills | 2 | Claude Code | 10 | — |
| stanveer/Biomedical-Agent-DB-Karpathy A production-oriented foundation for building a biomedical knowledge base for LLM-assisted | 2 | Claude Code, Codex | 2 | 553 tok |
| ngochiep30051998/agentic-testcase-generator | 2 | Claude Code | 3 | 1,131 tok |
| jreichert/cursor_base_rules A set of Cursor rules that can be effectively used to guide the development process across | 2 | Cursor | 4 | 1,793 tok |
| Omed0/convex-selfhost-starterkit make starter convex-selfhost | 2 | Claude Code, GitHub Copilot | 4 | 468 tok |
| StarsMilky/MCPCodeIntelligence | 2 | Cursor | 1 | — |
| devbrother2024/saas-starter-kit A starter kit for developing Next.js-based SaaS services | 2 | Claude Code, Cursor | 1 | — |
| ezzcodeezzlife/ui-mcp MCP server that renders flexible shadcn-styled UI in your local browser | 2 | Claude Code, Codex, OpenCode | 2 | 1,966 tok |
| HuzaifaBinShahid/Repo-cards npmjs.com Markdown-first codebase context for AI coding assistants. One command, works in Claude Cod | 2 | Claude Code, Codex, GitHub Copilot, OpenCode | 3 | 480 tok |
| MatoMusha/sitechain Agentic website creation — AI agents that interview, design, and build. Works with Claude | 2 | Claude Code | 7 | 1,018 tok |
| HappyDoggyAI/superui SuperUI is an agent-agnostic skill set for frontend UI workflows. It is not a single promp | 2 | Claude Code, Codex, Gemini CLI, OpenCode | 3 | 391 tok |
| M4NT/token-the-ripper A skill for your coding agent. Strips scaffolding, keeps signal. Action first. No filler. | 2 | Gemini CLI | 1 | 273 tok |
| activetwist/amphion-agent-extension Extension-only source provenance for AmphionAgent VS Code extension | 2 | Claude Code, Codex, OpenCode | 10 | 2,700 tok |
| Matthewzegarra0312/ContextCore context-core-web.vercel.app Is the best cerebral mind of the IA | 2 | Claude Code, Codex, OpenCode | 2 | 1,562 tok |
| Genius-Cai/myunsw-cli Reverse-engineered myUNSW API documentation & Claude Code skill for UNSW enrollment automa | 2 | Claude Code, Codex, Cursor, OpenCode | 3 | 1,296 tok |
| geekdreamzz/ari-dai-skills | 2 | Claude Code, GitHub Copilot, Cursor | 3 | 3,033 tok |
| abbanbhan/cursor-academy A hands-on Cursor Academy: clone, open chat, and follow guided quests to master Cursor and | 2 | Codex, Cursor, OpenCode | 7 | 423 tok |
| vooster-app/vooster vooster.app Turn rough ideas into live, intelligent projects—fast. | 2 | Cursor | 1 | 420 tok |
| oleg-koval/mergechain mergechain.dev Chrome extension that adds merge dependencies to GitHub pull requests: a PR's merge stays | 2 | Claude Code | 1 | 1,239 tok |
| hitosea/ttpos-flutter TTPOS is a smart point-of-sale system for the food service industry | 2 | Claude Code, Codex, OpenCode | 11 | 2,493 tok |
| KazunariNakayama/raycast-extensions | 2 | Cursor | 1 | 94 tok |
| AIHongDOU/DoctorWhy | 2 | Claude Code, Codex, OpenCode | 2 | 613 tok |
| russodope/ai-cli-kit Makes Claude more accurate when generating shell commands and scripts — whether you work o | 2 | Claude Code | 1 | 819 tok |
| CrescentR/NextVibe Agent-native project navigator for AI coding tools. Know what to build next — no extra mod | 2 | Claude Code, Codex, OpenCode | 5 | 228 tok |
| CiroGes/specs-driven-development Specs-Driven Development skeleton for Node.js (TS/JS) with Cursor rules/commands, reusable | 2 | Claude Code, Codex, Cursor | 11 | — |
| vegastack/vegastack-cli DevOps Knowledge Harness for Agents | 2 | Claude Code, Codex, OpenCode | 3 | 1,796 tok |
| benwilcock/rhdh-lab Customizable development environment for Red Hat Developer Hub (RHDH) | 2 | Cursor | 4 | — |
| parzival1l/Altru Altru is a charity discovery app built with React, Express, and a Botpress AI agent to mat | 2 | Codex, OpenCode | 1 | 1,069 tok |
| vaquarkhan/platform-engineering-agent-skills | 2 | Claude Code, Codex, GitHub Copilot, OpenCode | 9 | 913 tok |
| MCPolly/mcpolly Agent-native observability for AI agents. MCP server with web dashboard, alerting, and sem | 2 | Claude Code | 1 | 1,342 tok |
| T-ESP-700/cashou | 2 | Claude Code, Cursor | 2 | 1,345 tok |
| okuzpe/midas-harness Midas — a portable product-development harness for AI agents: drive a product from idea to | 2 | Claude Code, Codex, Gemini CLI, OpenCode | 37 | 4,775 tok |
| emporix/md-module-template | 2 | GitHub Copilot, Cursor | 12 | 8,558 tok |
| m3au/playwright-bdd-cursor-template m3au.github.io Playwright BDD with @Given/@When on POMs • Cursor rules so AI writes perfect tests • axe + | 2 | Claude Code | 1 | 2,749 tok |
| arango-solutions/arango-sparql-py Python-native SPARQL 1.1 to AQL transpiler and microservice for ArangoDB | 2 | Claude Code, Codex, Cursor, OpenCode | 3 | 3,565 tok |
| huseyindol/game | 2 | Claude Code, Codex, OpenCode | 2 | 4,178 tok |
| drewsephski/create-v1 | 2 | Cursor | 1 | 420 tok |
| hadefication/zeri A CLI tool for managing AI development contexts. | 2 | Claude Code, Codex, Gemini CLI, OpenCode | 5 | 213 tok |