24,815 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 |
|---|---|---|---|---|
| olgasafonova/nordic-registry-mcp-server MCP server for Nordic company registries (Norway, Denmark, Finland, Sweden) | 14 | Claude Code, Codex, Cursor, OpenCode | 5 | 2,262 tok |
| aaif/community-events | 14 | Claude Code, Codex, OpenCode | 2 | 4,090 tok |
| zhizhuodemao/ai-reverse-resources Plugin marketplace for AI-assisted reverse engineering across Codex and Claude Code. | 14 | Codex, OpenCode | 1 | 414 tok |
| Ferousco-dev/ilana A software engineering process operating system for coding agents. 11 phases, 9 gates, 13 | 14 | Codex, OpenCode | 1 | 1,735 tok |
| chrischall/ofw-mcp MCP for interacting with Our Family Wizard (OFW) | 14 | Claude Code, Codex, OpenCode | 2 | 20,279 tok |
| clivejefferies/mobile-debug-tools Agent plugin and MCP tools to enable agents to interact with mobile devices for mobile app | 14 | Claude Code, Codex, GitHub Copilot, OpenCode | 5 | 1,364 tok |
| halochamp/MCP-LinkGPT An MCP bridge that lets Codex directly query ChatGPT through Browser Use. | 14 | Claude Code, Codex, OpenCode | 2 | 366 tok |
| Amey-Thakur/AI-SKILLS amey-thakur.github.io Plug-and-play skills and prompts for every AI coding agent | 14 | Claude Code, Codex, OpenCode | 2 | 1,738 tok |
| buildinternet/releases releases.sh Open product release note registry, indexed and made for agents. Get recent product change | 14 | Claude Code, Codex, OpenCode | 6 | 13,477 tok |
| JordanCoin/codingskills Coding principles for Claude Code and AI agents. KISS, DRY, SOLID, YAGNI, separation of co | 14 | Claude Code, Codex, OpenCode | 2 | 893 tok |
| zivtech/accessibility-skills zivtech.github.io AI agent skills for accessibility testing and WCAG 2.2 audits in Claude Code: planner, cri | 14 | Claude Code, Codex, OpenCode | 2 | 4,799 tok |
| Justinmendezai/The-Adam-Repo justinmendez.ai Bolt this onto your coding agent and build software | 14 | Claude Code, Codex, OpenCode | 2 | 2,570 tok |
| Annihilater/token-stats token-stats.com CLI for tracking AI coding token usage & costs across Claude Code, Codex, Cursor, Gemini, | 14 | Codex, OpenCode | 1 | 3,374 tok |
| agno-agi/agentos-docker docs.agno.com AgentOS: Serve agents over API, MCP, and chat interfaces like Slack | 14 | Claude Code, Codex, OpenCode | 10 | 2,331 tok |
| vityasyyy/template-skripsi-dike-ugm Template LaTeX untuk Proposal dan Skripsi DIKE UGM. Dilengkapi struktur sesuai pedoman UGM | 14 | Codex, OpenCode | 1 | 1,892 tok |
| 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 |
| kaelig/state-of-ai-in-design-systems state-of-ai-in-design-systems.netlify.app A field survey of how 20 open-source design systems make themselves AI-friendly: MCP serve | 14 | Claude Code, Codex, OpenCode | 10 | 5,437 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 |