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 Code32,523 Codex24,842 OpenCode23,761 GitHub Copilot3,723 Gemini CLI2,038 Cursor1,771 Windsurf201 Kiro116
| Project | Stars | Configures | Files | Always loaded |
|---|---|---|---|---|
| AlexVo1980/llm-decomposition-mode | 2 | Codex, OpenCode | 1 | 104 tok |
| okfriansyah-moh/ares AI Repository Standard (ARS) — define portable AI coding knowledge once in .ai/, compose f | 2 | Claude Code, Codex, OpenCode | 6 | 1,516 tok |
| BEKO2210/Context-Engineering | 2 | Codex, OpenCode | 1 | 691 tok |
| vygoldensea-ux/skill_provip_claude | 2 | Codex, OpenCode | 1 | 700 tok |
| oddyblue/Less-Is-More-Skill Architecture-first workflow for coding agents to make cleaner, safer, more current code ch | 2 | Codex, OpenCode | 1 | 172 tok |
| kaandesu/fullstack4agents fullstack app template for agents to create complete apps with coordination with more prec | 2 | Codex, OpenCode | 1 | 939 tok |
| nchdatta/projectkit A layered Next.js reference app and host for the nextjs-kit and nextjs-frontend-kit Claude | 2 | Claude Code, Codex, OpenCode | 4 | 2,098 tok |
| sergeionlyart/codex-office-playbook Публичный стартовый набор для создания кастомных офисных workflow с Codex: AGENTS.md, skil | 2 | Codex, OpenCode | 1 | 522 tok |
| pprp/harness-over-harness harness over harness（Spec Doc Generation） | 2 | Codex, OpenCode | 1 | 4,077 tok |
| FlowStudy-team/flowstudy-infra Infrastructure, documentation, deployment, SQL initialization, Docker Compose, and shared | 2 | Codex, OpenCode | 1 | 1,541 tok |
| temporal-sa/temporal-java-template | 2 | Codex, OpenCode | 1 | 3,939 tok |
| 0xenzyme/code-orb CLI-first coding agent with a future desktop path. | 2 | Claude Code, Codex, OpenCode | 2 | 1,324 tok |
| JECT-Study/Zimdugo-4th-Client JECT Team 1, Cohort 4 FE | 2 | Claude Code, Codex, GitHub Copilot, Gemini CLI, OpenCode | 6 | 4,916 tok |
| snoodleboot-io/prompticorn | 2 | Claude Code, Codex, OpenCode | 2 | 2,029 tok |
| meteosimaji/cappuccino DiscordBOT agent code. | 2 | Codex, OpenCode | 1 | 31,195 tok |
| wate/MD-Ticket A lightweight text-based ticket management system. | 2 | Codex, OpenCode | 1 | 2,178 tok |
| are-es/paap Self-hosted LLM API gateway. One endpoint, 40+ providers. | 2 | Codex, OpenCode | 1 | 9,252 tok |
| tovrleaf/obscvratfi Official noisework website for Obscvrat | 2 | Codex, OpenCode | 1 | 4,116 tok |
| xlr8harder/aibb Git-backed bulletin boards and controlled forum harnesses for AI models | 2 | Codex, OpenCode | 1 | 715 tok |
| Chachamaru127/codex-harness | 2 | Claude Code, Codex, OpenCode | 50 | 3,123 tok |
| vatana7/bootstrap-agent-template | 2 | Codex, OpenCode | 1 | 492 tok |
| m1em1e/vibecoding-tools-4codex-cn Sharing one I made for personal use. | 2 | Codex, OpenCode | 1 | 3,101 tok |
| chentao326/agent-handoff Codex + Claude Code + Reasonix three-party collaboration workflow: a 6-stage handoff proto | 2 | Codex, OpenCode | 1 | 583 tok |
| epicurrents/core epicurrents.io A modular JavaScript library for neurophysiological data | 2 | Codex, OpenCode | 1 | 21,273 tok |
| Roukh/shapa-llm Memory and a work ledger for coding agents: one SQLite file per repo, checked into git, wi | 2 | Claude Code, Codex, OpenCode | 1 | 2,006 tok |
| amindell11/astronomical-home | 2 | Claude Code, Codex, OpenCode | 14 | 3,772 tok |
| sojipi/separate-vocals-skill Audio vocal separation using Meta's Hybrid Transformer Demucs — isolate human voice from b | 2 | Claude Code, Codex, OpenCode | 2 | 780 tok |
| skarpsill/SWAPI AI-ready SOLIDWORKS API knowledge base with parsed documentation, indexes, graphs, and aut | 2 | Codex, OpenCode | 1 | 534 tok |
| Caxson/proof-of-work A disciplined-engineer + persistent-self layer for Claude Code | 2 | Codex, OpenCode | 1 | 3 tok |
| theogravity/bun-elysiajs-starter-turbo-monorepo A starter monorepo for building APIs with Bun, ElysiaJS, Kysely, and Turborepo — includes | 2 | Claude Code, Codex, OpenCode | 3 | 4,547 tok |
| densmirnov/acme-labs ACME Labs — a minimal demonstration environment for the practical section “How to Build Yo | 2 | Codex, OpenCode | 1 | 494 tok |
| TuTouPower/repo_template Template repository | 2 | Codex, OpenCode | 1 | 534 tok |
| WorldKeeptrying/e_meng_jing_xi_book | 2 | Codex, OpenCode | 1 | 313 tok |
| mw10013/cloudflare-effect-react-router-saas | 2 | Codex, GitHub Copilot, OpenCode | 6 | 2,701 tok |
| Elvis-WDev/ExpressJS-agent-context | 2 | Claude Code, Codex, GitHub Copilot, OpenCode | 14 | 1,454 tok |
| elanmed/agent-js A minimal agent harness | 2 | Codex, OpenCode | 1 | 764 tok |
| gstark/agent-manager CLI and TUI tool for managing AI agent configurations across Claude Code and Codex | 2 | Claude Code, Codex, OpenCode | 2 | 39 tok |
| Henok0728/arada three member project for gdg project | 2 | Claude Code, Codex, OpenCode | 2 | 2,430 tok |
| godisego/hot-money | 2 | Claude Code, Codex, Gemini CLI, OpenCode | 3 | 6,572 tok |
| henryh/AI-SpecDoc This repository contains example documentation and local skill files for bootstrapping new | 2 | Codex, OpenCode | 1 | 496 tok |
| ShifoSan/SILK-Discord-Bot | 2 | Codex, OpenCode | 1 | 7,170 tok |
| ethaizone/project-planner A lightweight, Markdown-first repo for planning many projects with AI assistance. | 2 | Codex, OpenCode | 1 | 1,713 tok |
| ryaniosys/template-agent Cookiecutter template for Claude Code agent repos | 2 | Claude Code, Codex, OpenCode | 3 | 1,819 tok |
| blueroy00/skill-session-profiles blueroy00.github.io An app and Codex plugin for managing global skill defaults, reusable profiles, and task-sp | 2 | Codex, OpenCode | 1 | 4,871 tok |
| KaydenClark/LLM_Workbench Reusable Markdown harness templates for AI-agent projects | 2 | Claude Code, Codex, OpenCode | 2 | 6,235 tok |
| jackin-project/jackin-agent-smith Agent Smith — public-friendly jackin agent role for code review | 2 | Claude Code, Codex, OpenCode | 2 | 442 tok |
| IsaiaScope/ai Personal AI config layer — skills for Claude Code and Codex, agent rules, and CLAUDE.md | 2 | Claude Code, Codex, OpenCode | 4 | 2,324 tok |
| chenzc24/agent-workflow-kernel Portable plan-log-experience workflow kernel for Agent-assisted projects | 2 | Codex, OpenCode | 1 | 1,499 tok |
| freedomw1987/tree_monstor Tree Monstor is an AI software development profile running within the Hermes Agent framewo | 2 | Codex, OpenCode | 1 | 1,116 tok |
| waifu-agent/AGENTS.md Waifu personal engineering agent profile for Codex | 2 | Codex, OpenCode | 1 | 4,142 tok |