31,994 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 |
|---|---|---|---|---|
| Omed0/convex-selfhost-starterkit make starter convex-selfhost | 2 | Claude Code, GitHub Copilot | 4 | 468 tok |
| 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 |
| 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 |
| 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 |
| 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 |
| 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 |
| 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 |
| hadefication/zeri A CLI tool for managing AI development contexts. | 2 | Claude Code, Codex, Gemini CLI, OpenCode | 5 | 213 tok |
| divo12/UVVR | 2 | Claude Code, Codex, OpenCode | 2 | 1,722 tok |
| nitdraig/lexis-two lexis-two.excelso.xyz | 2 | Claude Code, Codex, GitHub Copilot, Cursor, Kiro, OpenCode | 34 | 3,609 tok |
| harness-mini/harness-mini harness-mini-website.vercel.app A minimal, CLI-agnostic agent harness — skills + sub-agents + distilled best-practice docs | 2 | Claude Code, Codex, OpenCode | 21 | 1,704 tok |
| jonnonz1/domain-agents jonnonz1.github.io Evolutionary architecture agents | 2 | Claude Code | 1 | 935 tok |
| otrebu/all-agents | 2 | Claude Code, Codex, OpenCode | 41 | 204 tok |
| SpaceMalamute/ai-rules Supercharge Claude Code with framework-specific rules, skills, and best practices. Angular | 2 | Claude Code | 2 | 1,021 tok |
| mrnasil/pnpm-manager PNPM Manager | 2 | Claude Code, OpenCode | 2 | 541 tok |
| wishworld/vishal-ai-pm-portfolio AI-native PM portfolio: agentic pipeline from idea to shippable MVP using Claude Code | 2 | Claude Code | 17 | 878 tok |
| umpire-tools/umpire ⚾️ Reactive derived state for forms and apps with interdependent options. Get your app to | 2 | Claude Code, Codex, OpenCode | 2 | 1,346 tok |
| minchieh-fay/god | 2 | Claude Code, Codex, OpenCode | 4 | 120 tok |
| ihabkhaled/NextRanger Strict Next.js engineering OS for scalable frontend apps with architecture guardrails, mod | 2 | Claude Code, Codex, Cursor, Gemini CLI, OpenCode | 4 | 5,397 tok |
| devashar13/agentshare | 2 | Claude Code | 1 | 563 tok |
| GrayCodeAI/starling Community skill packages for hawk, the AI coding agent. 12,000+ modular instruction packag | 2 | Claude Code, Codex, OpenCode | 2 | 1,800 tok |
| madelinben/esp-assistant Personal assistant project for the ESP32-S3-Touch-LCD-1.85C device. Featuring extensible a | 2 | Claude Code, Cursor | 10 | 1,510 tok |
| awinarko-lab/agentic-swe-training This step-by-step using AI Agent like claude code / opencode for SWE | 2 | Claude Code | 1 | — |
| token-bar/token-bar token-bar.pages.dev TokenBar is a macOS menu bar app that tracks AI usage across multiple providers in one pla | 2 | Claude Code, Codex | 6 | — |
| sykopad/initra initra.vercel.app AI-powered project bootstrapping platform that generates tailored IDE agent configuration | 2 | Claude Code, Codex, OpenCode | 5 | 11,009 tok |
| BilLogic/design-harnessing-kit billogic.github.io | 2 | Claude Code, Codex, OpenCode | 8 | 26 tok |
| meta-quest/horizon-platform-sdk-samples Sample Android applications demonstrating how to integrate the Meta Horizon Platform SDK f | 2 | Claude Code, Codex, GitHub Copilot, Gemini CLI, OpenCode, Windsurf | 9 | 1,043 tok |
| jefftindall/broadway-portfolio Elyse's Broadway portfolio site | 2 | Claude Code, Codex, OpenCode | 3 | 6,012 tok |
| sampaio-tech/flutter-core-modules A common branch containing core implementations shared across my apps. | 2 | Claude Code | 12 | — |
| coldtatooine/vuln-skill-pack A skill based on "rfdslabs" prompt to have a good hunting session. | 2 | Claude Code | 2 | — |
| ssheld/agent-vault Template repo for bootstrapping a per-project agent-vault with shared AI-agent rules, revi | 2 | Claude Code, Codex, Gemini CLI, OpenCode | 3 | 5,225 tok |
| AliYasser29/ultimate-code-review | 2 | Claude Code, Codex | 17 | — |
| kk5190/viberepo npmjs.com VibeRepo is the Agent Context Protocol for any codebase. It detects your stack and generat | 2 | Claude Code, GitHub Copilot, Cursor | 3 | 753 tok |