24,842 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 agents8,530Claude Code6,887Git and workflow3,618Data and AI3,582Backend and APIs3,558Languages3,485Planning3,325Code review2,903Testing2,691DevOps and cloud2,482Writing and docs2,481Memory and context2,373Research2,322Frontend2,310Security2,179Project management1,971
All Claude Code32,517 Codex24,815 OpenCode23,733 GitHub Copilot3,719 Gemini CLI2,034 Cursor1,770 Windsurf202 Kiro114
| Project | Stars | Configures | Files | Always loaded |
|---|---|---|---|---|
| tomas-lp/hackIAthon-2026-nkc inu-app.inu-bdc.workers.dev | 3 | Claude Code, Codex, OpenCode | 3 | 209 tok |
| tjmustard/Hypergraph-Coding-Agent-Framework A rigorous, Spec-First framework for autonomous software engineering. Solves the Specifica | 3 | Claude Code, Codex, Gemini CLI, OpenCode | 75 | 5,009 tok |
| joshka/practice | 3 | Codex, OpenCode | 1 | 1,491 tok |
| serenashenn3-art/wechat-forensic-pro wechat-forensic-pro | 3 | Claude Code, Codex, Cursor, Gemini CLI, OpenCode | 4 | 13,264 tok |
| viaduct-dev/batteries-included Viaduct template project with React, GraphQL, and Supabase | 3 | Claude Code, Codex, OpenCode | 2 | 541 tok |
| xrcodexcode/xr_node Personal wiki | 3 | Claude Code, Codex, Gemini CLI | 5 | 6,109 tok |
| jsohi/app-trading-engine Aeron Cluster + SBE + Artio FIX Trading Engine | 3 | Claude Code, Codex, OpenCode | 8 | 7,949 tok |
| cmu-delphi/exploration-tooling tools for evaluating and exploring forecasters | 3 | Codex, OpenCode | 1 | 3,026 tok |
| cicikat/PresenceKit-mobile Mobile client for PresenceKit, providing a companion experience on Android. | 3 | Claude Code, Codex, OpenCode | 2 | 4,697 tok |
| Adios94/megabonk-game MegaBonk 3D Roguelike Survivor - Three.js game (playable in browser) | 3 | Claude Code, Codex, Cursor, OpenCode | 7 | 1,464 tok |
| krahets/krahets.github.io krahets.com Personal website of Yudong Jin (@krahets) | 3 | Claude Code, Codex, OpenCode | 2 | 3,318 tok |
| rahult18/prism-mem Post-session knowledge crystallizer for AI coding agents | 3 | Claude Code, Codex, Cursor, OpenCode | 3 | 1,470 tok |
| breim/bob-the-constructor-md Behavioral guardrails for coding agents that treat specs as contracts. | 3 | Codex, OpenCode | 1 | 1,562 tok |
| raptorxde/LaunchProof-Web-Audit Cross-agent website launch-readiness audit skill for Codex, Claude Code, Cursor, and AI co | 3 | Claude Code, Codex, OpenCode | 2 | 228 tok |
| Amartuvshins0404/clean-code-skills Language-agnostic clean-code skill package for AI coding agents (Claude Code, Codex, Curso | 3 | Claude Code, Codex, GitHub Copilot, Gemini CLI, OpenCode | 5 | 2,135 tok |
| atmosware/cognia-agents | 3 | Claude Code, Codex, OpenCode | 33 | 794 tok |
| livyn-inc/AI-design-system-yomogi AI design system - yomogi - | 3 | Codex, Cursor, OpenCode | 6 | 2,745 tok |
| synmux/myriad wonderful stuff which may or may not be of use to anyone else | 3 | Claude Code, Codex, OpenCode | 2 | 1,497 tok |
| 2023Anita/clinical-ai-agent-skills Evidence-first AI agent rules for clinicians using Codex, Claude Code, Cursor, Copilot, an | 3 | Claude Code, Codex, GitHub Copilot, OpenCode | 3 | 966 tok |
| atmosware/praxia-agents | 3 | Claude Code, Codex, OpenCode | 27 | 1,771 tok |
| ayimmam/PCIC pcic.tech Internal Management tool | 3 | Codex, GitHub Copilot, Cursor, OpenCode | 4 | 1,612 tok |
| omtodkar/librarian AI coding assistant skill for 7 platforms. Turn your project into a searchable knowledge b | 3 | Claude Code, Codex, GitHub Copilot, Gemini CLI, OpenCode | 4 | 4,194 tok |
| nassimna/karpathy-guidelines Cross-agent Karpathy-inspired behavioral guidelines for Claude Code, Codex, Cursor, and Ge | 3 | Claude Code, Codex, Gemini CLI, OpenCode | 3 | 1,564 tok |
| lazysheep-z/apdr-product-design-runtime AI Product Design Runtime by Joker — from requirements to frontend code, powered by 5 MCP | 3 | Codex, OpenCode | 1 | 809 tok |
| vepo/contraponto blogs.commit-mestre.dev Self-hostable multi-author blog platform built with Quarkus, HTMX, and PostgreSQL. Per-use | 3 | Claude Code, Codex, Cursor, OpenCode | 22 | 3,706 tok |
| Brainy-Builds/ts-inspect-cli A read-only TypeScript semantic inspection CLI built on ts-morph | 3 | Claude Code, Codex, OpenCode | 2 | 1,488 tok |
| sykopad/initra initra.vercel.app AI-powered project bootstrapping platform that generates tailored IDE agent configuration | 3 | Claude Code, Codex, OpenCode | 5 | 11,009 tok |
| systemfsoftware/constitution systemfsoftware.com The engineering constitution for unbreakable software — functional core / imperative shell | 3 | Claude Code, Codex, OpenCode | 2 | 1,850 tok |
| hemp-dev/quietscope Defensive local security audit tool for macOS, Linux, and Windows. Zero telemetry, zero ne | 3 | Codex, OpenCode | 1 | 49 tok |
| mturac/skill-hunter Pre-execution layer that makes agents check for existing skills before building from scrat | 3 | Claude Code, Codex, OpenCode | 2 | 1,477 tok |
| brovar/10x-pentest 10x pentest workflow build on agentic skills | 3 | Claude Code, Codex | 20 | — |
| sanzharal/filedropbot Self-hosted Telegram bot — bidirectional phone↔server file drop for AI agents | 3 | Codex, OpenCode | 1 | 572 tok |
| Enovatr-Labs/SpecRoute Open source framework for spec-driven agentic software engineering. PRDs, prompts, agents, | 3 | Claude Code, Codex, Gemini CLI, Kiro, OpenCode | 10 | 3,768 tok |
| dakimura/guff A blazing-fast golangci-lint compatible Go linter | 3 | Codex, OpenCode | 1 | 200 tok |
| Coderrob/backstage-mcp-server A production-ready, enterprise-grade Model Context Protocol (MCP) server that exposes the | 3 | Codex, OpenCode | 1 | 348 tok |
| zhdenny/bar-assistant-mcp-server | 3 | Codex, OpenCode | 1 | 2,011 tok |
| yashodhank/whmcs-mcp-server | 3 | Claude Code, Codex, Cursor, OpenCode | 3 | 5,025 tok |
| PLAID-lib/plaid-mcp-server MCP server for converting datasets | 3 | Codex, OpenCode | 1 | 1,205 tok |
| print-yuhuan/QQ-MCP-Server | 3 | Claude Code, Codex, OpenCode | 2 | 2,952 tok |
| rediche/skills Simple, focused agent skills for planning, implementation flow, and QA. | 3 | Codex, OpenCode | 1 | 55 tok |
| igor-holt/openclaw-skills Production OpenClaw / ClawHub skills by Igor Holt (Genesis Conductor). Persistent state fo | 3 | Codex, OpenCode | 1 | 697 tok |
| lowspeclabs/Proxmox-Manager-Agent-Skill Opensource Agent Skills | 3 | Codex, OpenCode | 1 | 1,728 tok |
| lucsedirae/agent_skill_library A library of Claude skills | 3 | Codex, OpenCode | 1 | 178 tok |
| akshay5995/agent-skill-evals akshay5995.github.io Agent Skill Evals helps you test agent skills with Promptfoo. | 3 | Codex, OpenCode | 1 | 663 tok |
| hamzaMissewi/agent-skills | 3 | Claude Code, Codex, Gemini CLI, OpenCode | 11 | 1,942 tok |
| msobczyk-x/agent-skills Cross-agent coding skills for simplifying diffs, refactoring, pragmatic reviews, and plann | 3 | Codex, OpenCode | 1 | 966 tok |
| delacournz/agent-skills | 3 | Claude Code, Codex, OpenCode | 2 | 1,807 tok |
| sajeetharan/angular-agent-kit sajeetharan.github.io A collection of skills for AI coding agents working with Angular. Skills are packaged inst | 3 | Codex, OpenCode | 1 | 689 tok |
| fikrilal/engineering-agent-skills Portable Agent Skills for understanding, designing, and evolving software systems | 3 | Codex, OpenCode | 1 | 150 tok |
| marcos2872/agents-config Configuração pessoal do pi coding agent — agentes, skills e extensões | 3 | Codex, OpenCode | 1 | 1,116 tok |