23,761 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 |
|---|---|---|---|---|
| erhangundogan/videre videre.sh Multimedia library for the age of AI | 5 | Claude Code, Codex, OpenCode | 2 | 1,827 tok |
| yoheinakajima/epistemedia epistemedia.org Knowledge that can show its work: an open, federated knowledge system for humans and agent | 5 | Codex, OpenCode | 1 | 1,112 tok |
| maxgfr/conforme Sync your AI coding config from Claude Code, Codex, or any tool (rules, skills, agents, MC | 5 | Claude Code, Codex, GitHub Copilot, Gemini CLI, Kiro, OpenCode | 9 | 25,741 tok |
| liustack/summono summono.com One click and DeepSeek Harness is running — the free launcher & installer for AI harnesses | 5 | Claude Code, Codex, OpenCode | 2 | 1,047 tok |
| MicaelJarniac/repeaterbook repeaterbook.readthedocs.io Unofficial, third-party Python library and MCP server that provides a powerful and conveni | 5 | Codex, OpenCode | 1 | 1,805 tok |
| agno-agi/agentos-render docs.agno.com AgentOS: Serve agents over API, MCP, and chat interfaces like Slack | 5 | Claude Code, Codex, OpenCode | 10 | 2,377 tok |
| tjboudreaux/rosetta skills.sh Reconcile every AI coding agent's conversation history (Claude Code, Codex, Gemini, Cursor | 5 | Codex, OpenCode | 1 | 1,261 tok |
| cerbos/skills cerbos.dev Agent skills for Cerbos, the authorization management platform. Enforce fine-grained, cont | 5 | Codex, Gemini CLI, OpenCode | 2 | 1,516 tok |
| staticaland/skills Ceremonial grade agent skills 🫖 | 5 | Claude Code, Codex, OpenCode | 7 | 949 tok |
| mschulkind-oss/yolo-jail A Nix-based jail for coding agents. | 5 | Claude Code, Codex, OpenCode | 4 | 9,932 tok |
| howells/skills | 5 | Codex, OpenCode | 1 | 137 tok |
| z4ppy/playlab42 z4ppy.github.io Laboratoire ouvert pour comprendre l’IA et coder avec elle. | 5 | Claude Code, Codex, GitHub Copilot, OpenCode | 19 | 4,811 tok |
| tugrulguner/summonpot summonpot.modepot.io A contract-first Python framework for modernizing APIs for AI through exact application be | 5 | Claude Code, Codex, OpenCode | 4 | 918 tok |
| singleton11/kotlin-toolchain-skills A collection of AI agent skills for Kotlin Toolchain | 5 | Claude Code, Codex, OpenCode | 2 | 20 tok |
| accordproject/concerto-rust Implementation of Concerto runtime in Rust | 5 | Codex, OpenCode | 1 | 279 tok |
| cantian-ai/agent-skill | 5 | Codex, OpenCode | 1 | 1,950 tok |
| hanthor/gnome-gui-spec | 5 | Codex, OpenCode | 1 | 122 tok |
| salehabbaas/resume-builder An advanced AI-powered resume builder skill for Claude (Cowork / Claude Code). Paste a job | 5 | Codex, OpenCode | 1 | 489 tok |
| mercato-supply-chain/mercato-dapp mercatocapital.xyz MERCATO is a supply chain finance application: it helps small and medium businesses (we us | 5 | Claude Code, Codex, OpenCode | 6 | 4,201 tok |
| vantasnerdan/substrate-framework Claim-governed, agentic workflow for substrate physics framework | 5 | Codex, OpenCode | 6 | 3,956 tok |
| marmot-protocol/whitenoise-linux committish.app Whitenoise linux. Please file issues and PRs on ngit | 5 | Claude Code, Codex, OpenCode | 4 | 7,156 tok |
| RedHatResearch/aibom-security AI BOM Security | 5 | Claude Code, Codex, OpenCode | 2 | 3,161 tok |
| hanzixuan58521/zixuan-agent-constitution A personal AI agent constitution combining Occam's razor, first principles, beginning with | 5 | Codex, OpenCode | 1 | 3,941 tok |
| vodoon-cell/ai-website-cloner-template-all ai-website-cloner-template | 5 | Claude Code, Codex, GitHub Copilot, Gemini CLI, OpenCode | 4 | 2,437 tok |
| TMHSDigital/CFX-Developer-Tools tmhsdigital.github.io AI-powered Cursor IDE plugin for FiveM and RedM resource development. 9 skills, 6 rules, 6 | 5 | Claude Code, Codex, Cursor, OpenCode | 3 | 6,431 tok |
| Gkrumbach07/openshell-dashboard Standalone upstream web admin UI for OpenShell | 5 | Claude Code, Codex, OpenCode | 7 | 1,415 tok |
| Lolaplex/agents-memory pypi.org Local markdown memory & cross-agent context engine for coding agents (MCP). | 5 | Claude Code, Codex, OpenCode | 2 | 1,011 tok |
| RazorEdge-wyh/spare-me A Skill that makes AI grovel and apologize first when angry, then write the reason for the | 5 | Claude Code, Codex, OpenCode | 2 | 646 tok |
| muhammaddadu/outlook-cli | 5 | Codex, OpenCode | 1 | 2,473 tok |
| tszaks/ghub MCP server and JSON CLI for Gmail, Drive, Sheets, Docs and Calendar across multiple Google | 5 | Codex, OpenCode | 1 | 653 tok |
| SuperWangYuan/toutiaohao-mcp-server EN: An MCP server and HTTP API powered by Go and go-rod for automated Toutiao (ByteDance) | 5 | Codex, OpenCode | 1 | 6,482 tok |
| mitodl/agent-kit Team toolkit for AI agent utilities: skills, custom agents, MCP helpers, and configuration | 5 | Codex, OpenCode | 1 | 3,068 tok |
| Addono/gh-attach Upload images to GitHub issues, PRs, and comments — from the CLI or via MCP. | 5 | Claude Code, Codex, OpenCode | 5 | 312 tok |
| ihuzaifashoukat/splicedeck A video editor an AI agent drives, running on your own machine. | 5 | Claude Code, Codex, GitHub Copilot, OpenCode | 7 | 2,541 tok |
| MMoMM-org/miyo-kado Where AI meets your vault, on your terms... Obsidian Vault MCP Server | 5 | Claude Code, Codex, OpenCode | 3 | 1,884 tok |
| RuloGB/compendio-mcp Compendio is an MCP server that indexes a project's markdown documentation and exposes it | 5 | Claude Code, Codex, OpenCode | 2 | 4,153 tok |
| TrueConf/trueconf-server-mcp Manage TrueConf Server conferences, recordings, and invitations from any MCP client | 5 | Codex, OpenCode | 1 | 8,050 tok |
| MarvelCollin/overleaf-claude-mcp modelcontextprotocol.io MCP server that connects Claude to Overleaf. Read, edit, compile and restore LaTeX project | 5 | Claude Code, Codex, OpenCode | 2 | 1,431 tok |
| lllyin/mcp-cn-a-stock An A-share data MCP (Model Context Protocol) service for AI Agents. | 5 | Claude Code, Codex, OpenCode | 2 | 1,257 tok |
| Zehee/kimi-code-memory-mcp-server Give Kimi Code CLI a long-term memory: structured Markdown memories, cross-session context | 5 | Codex, OpenCode | 1 | 1,641 tok |
| Doucs91/hivelore Policy enforcement layer for AI coding agents — briefing gates, team memory, Git/CI checks | 5 | Claude Code, Codex, GitHub Copilot, Cursor, Gemini CLI, OpenCode, Windsurf | 6 | 9,531 tok |
| antonkarliner/truepane truepane.dev Browser-based App Store / Google Play screenshot strip generator (Vite + React + TypeScrip | 5 | Claude Code, Codex, OpenCode | 2 | 4,763 tok |
| davidmosiah/fitbit-mcp wellness.delx.ai MCP server for Fitbit — query daily activity, heart rate, sleep, and body data from your F | 5 | Codex, OpenCode | 1 | 152 tok |
| martin-francois/symphony-trello Turn Trello cards into isolated, autonomous Codex implementation runs, allowing teams to m | 5 | Claude Code, Codex, OpenCode | 17 | 1,437 tok |
| adammatthewsteinberger/clippy-pet adammatthewsteinberger.github.io Unofficial animated paperclip pet for the ChatGPT desktop app & Codex CLI. 9 animations, 1 | 5 | Claude Code, Codex, Gemini CLI, OpenCode | 5 | 2,619 tok |
| firstsun-dev/skills Modular AI agent skill arsenal for Gemini CLI and Claude Code | 5 | Claude Code, Codex, Gemini CLI, OpenCode | 9 | 1,489 tok |
| blackaxgit/ssh-mcp MCP server that gives AI assistants (Claude, Codex, Cursor, Opencode) SSH access to run co | 5 | Claude Code, Codex, OpenCode | 2 | 9,062 tok |
| 0marm0/COORD-Harness An autonomous multi-agent orchestration harness. Agents coordinate through one SQLite-WAL | 5 | Claude Code, Codex, OpenCode | 8 | 1,458 tok |
| dcc-mcp/dcc-mcp-godot pypi.org Godot 4 MCP editor adapter for AI agents to author scenes, scripts, UI and 2D games, inspe | 5 | Codex, OpenCode | 1 | 2,147 tok |
| alexechoi/google-hotels-mcp Google Hotels MCP | 5 | Claude Code, Codex, OpenCode | 2 | 1,438 tok |