23,733 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 agents8,505Claude Code6,886Git and workflow3,611Data and AI3,580Backend and APIs3,556Languages3,487Planning3,327Code review2,899Testing2,686Writing and docs2,480DevOps and cloud2,479Memory and context2,375Research2,323Frontend2,308Security2,172Project management1,965
All Claude Code32,517 Codex24,815 OpenCode23,733 GitHub Copilot3,719 Gemini CLI2,034 Cursor1,770 Windsurf202 Kiro114
| Project | Stars | Configures | Files | Always loaded |
|---|---|---|---|---|
| khmm12/solidjs-v2-skills Agent skills for SolidJS 2.0 — write, migrate, and review solid-js 2.x code without React/ | 14 | Claude Code, Codex, OpenCode | 2 | 1,822 tok |
| arfar-x/agent-skills Personal Agentic skills | 14 | Claude Code, Codex, OpenCode | 2 | 5,536 tok |
| Shengwang-Community/skills | 14 | Claude Code, Codex, OpenCode | 2 | 578 tok |
| izaac/nixos-config Izaac Reproducible Configuration | 14 | Claude Code, Codex, GitHub Copilot, Gemini CLI, OpenCode | 4 | 1,166 tok |
| richlander/markout Objects to Structured Logs Serializer (markdown, oneline, TSV, ANSI, tree, ...) | 14 | Codex, OpenCode | 1 | 1,474 tok |
| Everyone-Needs-A-Copilot/claude-copilot ineedacopilot.com Transform Claude Code into a full development team. 11 specialized agents (Architect, Engi | 14 | Claude Code, Codex, OpenCode | 82 | 7,184 tok |
| Dynokostya/just-works Set of instructions for Claude Code base installation that integrates in any project | 14 | Claude Code, Codex, OpenCode | 30 | 7,162 tok |
| NaanyaBiz/haggle AGL Australia smart meter -> Home Assistant Energy dashboard (Claude-generated custom inte | 14 | Claude Code, Codex, OpenCode | 16 | 31,949 tok |
| Muxi-X/ccnubox_rn [In use] Huashi Box frontend | 14 | Codex, OpenCode | 1 | 86 tok |
| monkey1wizard/Golem-Agents-Legion A cross-provider AI orchestration system built in Rust, running natively across Claude Co | 14 | Codex, GitHub Copilot, OpenCode | 2 | 3,618 tok |
| davidcforbes/Beads-Kanban A VSCode extension built on top of steveyegge/Beads that provides a KanBan, Tableview, and | 14 | Claude Code, Codex, Gemini CLI, OpenCode | 3 | 9,247 tok |
| jeremy0dell/station A terminal-native control plane for AI-agent worktree sessions. | 14 | Claude Code, Codex, OpenCode | 2 | 1,467 tok |
| emanuelcasco/.ai A structured methodology for AI-assisted development using specialized personas, reusable | 14 | Claude Code, Codex, Gemini CLI, OpenCode | 14 | 528 tok |
| akaghef/M3E Mind Map Model Engine(M3E) develop | 14 | Claude Code, Codex, GitHub Copilot, Kiro, OpenCode | 57 | 8,493 tok |
| rajnandan1/ken rajnandan.com Thompson-mode systems discipline for AI agents. Think first, build bottom-up, brute force | 14 | Codex, GitHub Copilot, Kiro, OpenCode | 3 | 2,350 tok |
| adrienm7/ergopti ergopti.fr Disposition clavier ergonomique Ergopti, optimisée pour l’écriture du français, de l’angla | 14 | Claude Code, Codex, GitHub Copilot, Gemini CLI, OpenCode | 24 | 949 tok |
| slk3hdio/gymcraft Minecraft NeoForge reinforcement learning environment mod | Gymnasium-style RL environment | 14 | Codex, OpenCode | 1 | 7,172 tok |
| brianmay/robotica-rust IOT automation for people who think like programmers | 14 | Codex, OpenCode | 1 | 2,283 tok |
| nocoo/pew pew.md 🦓 Contribution graph for AI-native developers — track token usage across tools | 14 | Claude Code, Codex, OpenCode | 3 | 3,295 tok |
| ZJU-PL/pyflow A static analysis framework for Python | 14 | Codex, OpenCode | 1 | 472 tok |
| Johnny-xuan/TreeWork A tree-guided workflow skill for long-running agents. | 13 | Codex, OpenCode | 1 | 424 tok |
| byPawel/tachibot-mcp tachibot.com Stop AI Hallucinations Before They Start Run models from OpenAI, Google, Anthropic, xAI, P | 13 | Codex, OpenCode | 1 | 6,085 tok |
| rahmanef63/si-coder-agent Zero-human full-stack deployment as a bundle of /sc-* Claude Code slash commands — GitHub | 13 | Codex, OpenCode | 1 | 1,194 tok |
| hraness/kb hraness.com A knowledge base for coding agents, built from Markdown, backlinks, semantic search, and G | 13 | Claude Code, Codex, OpenCode | 7 | 3,979 tok |
| xhongc/spark-novel AI fiction, short stories, Agent writing, and writing an engaging short story during your | 13 | Claude Code, Codex, OpenCode | 2 | 1,759 tok |
| CrestApps/CrestApps.AgentSkills crestapps.com Shared AI agent skills and MCP tooling for .NET applications and Orchard Core based projec | 13 | Codex, GitHub Copilot, OpenCode | 3 | 3,785 tok |
| devnomad-byte/techneering Spec-driven development skills plugin for Claude Code and Codex: 16 tn: skills for spec, i | 13 | Claude Code, Codex, OpenCode | 2 | 2,138 tok |
| phrase/phrase-mcp-server developers.phrase.com Deprecated - Please use the remote Phrase MCP server instead. See: developers.phrase.com/e | 13 | Codex, OpenCode | 1 | 1,037 tok |
| pariyar07/kybernetes satyampariyar.com Runtime-adaptive steering layer and portable control contract for hard agentic work: durab | 13 | Claude Code, Codex, Gemini CLI, OpenCode | 3 | 978 tok |
| Nymaxxx/checko-mcp Unofficial MCP server for Checko.ru for checking counterparties (EGRUL, EGRIP, arbitration | 13 | Codex, OpenCode | 1 | 4,126 tok |
| sergiobayona/vector_mcp sergiobayona.github.io A server implementation for the Model Context Protocol (MCP) in Ruby. | 13 | Claude Code, Codex, OpenCode | 6 | 9,301 tok |
| agentic-research/cloister Workerd-based hypervisor with a declarative Cap'n Proto manifest. Substrate-level identity | 13 | Claude Code, Codex, OpenCode | 2 | 10,977 tok |
| segentic-lab/glovebox-mcp Sandboxed computer-use MCP — drive a real browser + desktop apps in a nested X11 window. | 13 | Codex, OpenCode | 1 | 2,178 tok |
| BrianV1981/aim x.com A.I.M. – Actual Intelligent Memory: zero-token exoskeleton for long-running Gemini CLI/Cha | 13 | Codex, OpenCode | 1 | 2,806 tok |
| 1939869736luosi/codex-sessions-manager npmjs.com CLI, MCP server, and Skill for safe local Codex session audit, cleanup, restore, and verif | 13 | Codex, OpenCode | 1 | 343 tok |
| noah-sheldon/ai-dev-kit noahsheldon.dev Production-ready AI dev workflow scaffold with 59 skills, 33 agents, hooks, and rules for | 13 | Claude Code, Codex, OpenCode | 1 | 3,505 tok |
| shabaraba/vibing.nvim Neovim plugin for AI-assisted coding: Claude CLI & Codex CLI backends with MCP-powered edi | 13 | Claude Code, Codex, OpenCode | 4 | 2,172 tok |
| arslan70/haytham arslan70.github.io Validate startup ideas and generate implementation-ready specs. Claude Code plugin. | 13 | Claude Code, Codex, OpenCode | 9 | 4,783 tok |
| arthurkatcher/grok-delegate Grok Build plugin: hand work to local Claude Code or Codex as a background task | 13 | Codex, OpenCode | 1 | 908 tok |
| thevibeworks/deva docs.deva.sh Run the official Claude Code, Codex, Gemini, Grok, and Kimi CLIs at full speed inside Dock | 13 | Claude Code, Codex, OpenCode | 2 | 398 tok |
| isndev/qb-linq Lazy Enumerable-style LINQ pipelines for C++17: where, select, order_by, group_by, joins, | 13 | Codex, GitHub Copilot, Cursor, OpenCode | 3 | 1,389 tok |
| iloveitaly/llm-ide-rules Centralized LLM prompt instructions for Copilot and Cursor, including scripts to convert a | 13 | Claude Code, Codex, GitHub Copilot, OpenCode | 19 | 18,126 tok |
| damoqiongqiu/mcp-local-rag Local-first RAG server for developers. Semantic + keyword search for code and technical do | 13 | Codex, OpenCode | 1 | 2,613 tok |
| OleksandrKucherenko/mcp-obsidian-via-rest mcp-obsidian.artfulbits.se MCP Server connected to Obsidian Vault with Local REST API. (re-write it completely with B | 13 | Claude Code, Codex, OpenCode | 3 | 3,828 tok |
| lie5860/openai-search-mcp | 13 | Claude Code, Codex, Cursor, OpenCode | 40 | 111 tok |
| RedberryProducts/mcp-client-laravel Laravel-native client for Model Context Protocol (MCP) servers. Built by Redberry (Diamond | 13 | Claude Code, Codex, OpenCode | 2 | 2,069 tok |
| vexxvakan/mcp-docsrs | 13 | Codex, OpenCode | 2 | 430 tok |
| narailabs/doc-wiki Documentation wiki generator + maintainer — Claude Code skill + agents + TypeScript helper | 13 | Claude Code, Codex, Gemini CLI, OpenCode | 4 | 8,196 tok |
| dzmitrys-dev/supamem pypi.org Project-agnostic dual-memory MCP CLI for Claude Code, Cursor, and OpenCode (Qdrant tuned h | 13 | Claude Code, Codex, OpenCode | 2 | 3,745 tok |
| astronomer/astro-airflow-mcp astronomer.io MCP server for Apache Airflow instances. Runs standalone or as an Airflow plugin. | 13 | Claude Code, Codex, OpenCode | 6 | 749 tok |