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 |
|---|---|---|---|---|
| Code-4-Community/branch Branch GitHub Admin | 2 | Codex, OpenCode | 1 | 1,485 tok |
| shaynlink/agent-OS | 2 | Codex, OpenCode | 1 | 1,005 tok |
| Hypercart-Dev-Tools/Love-2-Hug-Recipes | 2 | Codex, OpenCode | 1 | 12,828 tok |
| cloudroad-io/skillcraft ESLint + Jest for agent-config files: lint, sync and scaffold SKILL.md / CLAUDE.md / AGENT | 2 | Claude Code, Codex, OpenCode | 2 | 1,878 tok |
| cobusgreyling/grok-build-showcase A living, executable showcase and practical toolkit for Grok Build (xAI). Includes reusabl | 2 | Codex, OpenCode | 1 | 1,714 tok |
| luabagg/agent-skills Collection of skills, tools and workflows | 2 | Claude Code, Codex, OpenCode | 2 | 323 tok |
| cesdperez/llmfiles | 2 | Claude Code | 1 | 45 tok |
| wonjun3991/study | 2 | Codex, OpenCode | 1 | 2,474 tok |
| bhatganeshdarshan/AgLink One canonical agent workspace, projected into every coding agent | 2 | Claude Code, Codex, GitHub Copilot, OpenCode | 3 | 663 tok |
| Indium-AI-Labs/indium-agentkit indium-agentkit is a distribution scaffold for sharing AI coding-agent skills, subagents, | 2 | Codex, GitHub Copilot, OpenCode | 2 | 13,170 tok |
| catid/doublecheck-mcp Use Gemini 3 Pro and Sonnet 4.5 to double-check the plan/code for codex-5.1-cli | 2 | Codex, OpenCode | 1 | 355 tok |
| QuBiit0/lmagent | 2 | Claude Code, Codex, Gemini CLI, OpenCode | 41 | 8,437 tok |
| abuango/pos-ai | 2 | Claude Code | 35 | — |
| hamakyo/okf-skills Reusable OKF templates and agent Skills for Codex and Claude Code. | 2 | Claude Code, Codex, OpenCode | 2 | 948 tok |
| Eljaja/Harness-engineering | 2 | Codex, OpenCode | 1 | 502 tok |
| FFmorange/QDeskWatch A Windows desktop assistant developed with Qt/QML, featuring an iWatch-style watch face. | 2 | Codex, OpenCode | 1 | 681 tok |
| alejandro-ventures/llm-agnostic-icm-framework Model-agnostic ICM framework: a folder structure as agent architecture for Copilot, Claude | 2 | Claude Code, Codex, GitHub Copilot, OpenCode | 3 | 1,569 tok |
| KrystianMarek/ai-assisted-development | 2 | Claude Code, Codex, OpenCode | 5 | 6,164 tok |
| ydun-code-library/Ydun_ai_workflow docs.ydun.io Production-tested templates, principles, and patterns for AI-assisted development — AGENTS | 2 | Claude Code, Codex, OpenCode | 2 | 2,294 tok |
| jd-solanki/airig Distribute and manage AI setups across coding agents from one .ai/ directory. | 2 | Claude Code, Codex, OpenCode | 26 | 11 tok |
| bruhxax/codex-skills-pack A set of reusable Codex skills for cleaner, more accurate, accessible, and disciplined UI | 2 | Codex, OpenCode | 8 | 195 tok |
| krishnanpandya007/support-technician-setup An automated Support tehnician setup bundle for your web app, which won't only butter like | 2 | Claude Code, Codex, GitHub Copilot, Gemini CLI, OpenCode | 11 | 23,376 tok |
| qurugi0347/jun-codex | 2 | Codex, OpenCode | 1 | 1,721 tok |
| LIghtJUNction/AGENTS.md The prompt with the best effect was identified through experimental testing. | 2 | Codex, OpenCode | 1 | 15 tok |
| oakandfeather/ai-assisted-coding-governance Portable governance rules for AI coding agents (Claude Code, Copilot, Codex, Antigravity) | 2 | Claude Code, Codex, OpenCode | 2 | 10,529 tok |
| mjohnson139/agent-mob Git-backed AI collaboration system for multi-repo teams using QRSPI workflow | 2 | Claude Code, Codex, OpenCode | 2 | 1,421 tok |
| pure-golang/level85 Shared agent skills, Taskfile, linter config, and Claude Code conventions for a pure-golan | 2 | Claude Code, Codex, OpenCode | 38 | 2,341 tok |
| imanai666/ArkmeDemo | 2 | Codex, OpenCode | 1 | 1,334 tok |
| Proxyfan/Proxyfan HTTP debugging proxy for inspecting, capturing, and modifying network traffic in real time | 2 | Claude Code, Codex, GitHub Copilot, OpenCode | 39 | 19,008 tok |
| isamtrx/ASEF Agentic Software Engeneering Framework | 2 | Claude Code, Codex, GitHub Copilot, OpenCode | 9 | 8,588 tok |
| atharva-again/samvaad samvaad.live Samvaad is a speech-driven AI tutor that transforms PDFs, articles, and notes into interac | 2 | Claude Code, Codex, OpenCode | 2 | 756 tok |
| AFutureD/awesome-apple-ai-rules A collection of files intended for agent use. | 2 | Codex, OpenCode | 1 | 1,132 tok |
| Lada496/hearth-ios | 2 | Claude Code, Codex, OpenCode | 2 | 1,272 tok |
| fayazara/kumo-ai-blocks | 2 | Claude Code, Codex, OpenCode | 4 | 1,936 tok |
| tarv7/ai-spec-driven-development-template-rails | 2 | Claude Code, Codex, OpenCode | 42 | 1,530 tok |
| G-Schumacher44/aug-conductor-wrkflw g-schumacher44.github.io Agnostic Conductor workflow deployment — LookML/BigQuery demo included | 2 | Codex, OpenCode | 1 | 963 tok |
| jslee124/forge An open source coding agent. | 2 | Codex, OpenCode | 1 | 543 tok |
| raypappa/homelab | 2 | Codex, OpenCode | 1 | 3,650 tok |
| nyaggah/amp-ralph Amp Ralph is an autonomous AI agent loop that runs Amp with handoff repeatedly until all P | 2 | Codex, OpenCode | 1 | 338 tok |
| PitchFork-Innovation/annotagent annotagent.vercel.app Agentic annotation tool for arXiv research papers | 2 | Claude Code, Codex, OpenCode | 2 | 1,971 tok |
| duyet/kb the shared brain | 2 | Claude Code, Codex, OpenCode | 2 | 3,542 tok |
| rxdaozhang/product-reverse | 2 | Codex, OpenCode | 1 | 296 tok |
| vectra-ai-research/vectra-soc-agent-starter Starter pack for building an AI SOC analyst on top of Vectra AI — AGENTS.md + agent skills | 2 | Codex, OpenCode | 1 | 1,779 tok |
| 8Dionysus/aoa-evals Portable evaluation bundles for agents and agent-shaped workflows: bounded, reproducible, | 2 | Codex, OpenCode | 1 | 1,124 tok |
| AlexisBalayre/claude-code-power-config An opinionated, fully-worked Claude Code configuration: path-scoped rules, skills, subagen | 2 | Claude Code, Codex, OpenCode | 49 | 897 tok |
| zackabrah/scopeglass zackabrah.github.io DevTools for AGENTS.md: inspect inherited instructions, provenance, conflicts, references, | 2 | Codex, OpenCode | 1 | 424 tok |
| LonerStayle/js-ralph A Ralph-specific harness plugin that creates customized Ralph loops with a single command | 2 | Claude Code | 2 | 2,513 tok |
| Luxcium/codex-k3 | 2 | Codex, GitHub Copilot, OpenCode | 12 | 15,267 tok |
| zzz20020612/scientific-figure-standards Global scientific figure and map standards skill for Codex. | 2 | Claude Code, Codex, OpenCode | 2 | 1,093 tok |
| OthmanAdi/APEX Agentic Production Engineering eXecution — A cross-platform skill framework for AI-driven | 2 | Claude Code, Codex, OpenCode | 6 | 217 tok |