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 |
|---|---|---|---|---|
| heisencodex-jpg/github-repo-intel-mcp Hosted MCP server: GitHub repository intelligence for AI coding agents. Streamable HTTP, d | 1 | Claude Code, Codex, OpenCode | 2 | 6,216 tok |
| partymola/withings-mcp modelcontextprotocol.io MCP server for the Withings Health API with OAuth, local cache, and trend analysis | 1 | Claude Code, Codex, OpenCode | 2 | 7,389 tok |
| frankxai/awesome-gamification-agent-skills Web-first catalog for ethical progression design, game state, playtesting, and agent-assis | 1 | Codex, OpenCode | 1 | 166 tok |
| skymavis/skills Reusable, self-contained agent skills | 1 | Codex, OpenCode | 1 | 803 tok |
| Callicrate/skills Semi-dynamic context enrichment for AI | 1 | Codex, OpenCode | 1 | 622 tok |
| link0-o/PerfLens Evidence-driven Linux performance analysis toolkit with a CLI, MCP server, and Codex Skill | 1 | Codex, OpenCode | 1 | 1,002 tok |
| eic/xrootd-mcp-server eic.github.io An MCP server that allows for querying XRootD servers by LLM agents. | 1 | Codex, GitHub Copilot, OpenCode | 2 | 3,083 tok |
| qbit-glitch/ccr CCR — Continuous Context Retention: MCP server for persistent memory, self-evolving playbo | 1 | Claude Code, Codex, OpenCode | 2 | 3,318 tok |
| Kforward/lanhu-mcp-codex | 1 | Codex, OpenCode | 1 | 955 tok |
| cubicecho/mcp-skills-manager cubicecho.github.io | 1 | Claude Code, Codex, OpenCode | 3 | 2,849 tok |
| ximenchuifeng/codex-kimi-bridge Codex plugin and MCP bridge for delegating implementation work to Kimi Code | 1 | Codex, OpenCode | 1 | 2,444 tok |
| antinomie1/maimai-mcp Rust-based high-performance maimai DX (舞萌 DX) MCP score lookup tool and B50 rendering serv | 1 | Codex, OpenCode | 1 | 2,460 tok |
| jcharveyjr/claude-chatgpt-agent-bridge Private MCP task broker for delegated work between Claude and ChatGPT/Codex agents. | 1 | Claude Code, Codex, OpenCode | 3 | 382 tok |
| bartivs/yt-media-info-mcp Model Context Protocol (MCP) server that extracts rich metadata, transcripts, and search f | 1 | Claude Code, Codex, OpenCode | 6 | 2,081 tok |
| brchn6/LettuceMeet_CLI Unofficial MCP tools for LettuceMeet - create polls, view responses, find meeting overlaps | 1 | Claude Code, Codex | 1 | — |
| ministryofjustice/hmpps-contacts-ui Frontend UI to create and maintain contacts within DPS, including potential visitors and d | 1 | Codex, OpenCode | 1 | 1,344 tok |
| nilhemdot/bountystrike-community BountyStrike Community Edition — Claude Code-native autonomous bug bounty platform (AGPLv3 | 1 | Claude Code, Codex, Cursor, Gemini CLI, OpenCode, Windsurf | 24 | 6,009 tok |
| Edison-Watch/Custom-MCPs | 0 | Claude Code, Codex, OpenCode | 19 | 3,085 tok |
| hsb3/opencode-sandbox Isolated opencode instances from prebuilt GHCR images, consumable as MCP servers | 0 | Claude Code, Codex, OpenCode | 5 | 56 tok |
| radthenone/ai-instruction-kit-mcp Projekt MCP który zbiera instrukcje dla cursor, vscode, github copilot, codex, kiro, kilo, | 0 | Claude Code, Codex, GitHub Copilot, OpenCode | 70 | 2,747 tok |
| francemazzi/frasma frasma.org my website | 0 | Claude Code, Codex | 1 | — |
| rilldata/agent-skills docs.rilldata.com Agent skills for developing a Rill project | 0 | Codex, OpenCode | 1 | 53 tok |
| webmaxru/enonic-agent-skills Agent skills for Enonic XP CMS development — API reference, content migration, content typ | 0 | Codex, OpenCode | 1 | 507 tok |
| amplifthq/opentag openmeld.ai Legacy OpenTag source history, branches, and tags. No active development or deployment. | 0 | Claude Code, Codex, OpenCode | 4 | 6,155 tok |
| unifyai/unify Unify: an AI assistant built as a back office of cooperating LLM-driven state managers (ar | 0 | Claude Code, Codex, OpenCode | 3 | 37,137 tok |
| jonnyzzz/mcp-steroid devrig.dev Give your AI Agent a whole IDE, not just the files | 0 | Claude Code, Codex, OpenCode | 2 | 6,920 tok |
| tools-for-agents/anvil tools-for-agents.github.io 🔨 Throwaway Docker sandbox for agents: run code/commands in isolated, resource-limited co | 0 | Codex, OpenCode | 1 | 854 tok |
| vanppsa/oracle-models This project transforms the `oracle-models` skill into a **local MCP Server**. It classifi | 0 | Codex, Gemini CLI, OpenCode | 2 | 3,793 tok |
| huaqing0/obsidian-mcp-server Custom Obsidian MCP server with workspace control, vault structure tools, and native Excal | 0 | Claude Code, Codex, OpenCode | 2 | 13,450 tok |
| Ace627/vite-vue3-template A basic configuration template based on Vue3, TypeScript, and Vite, suitable for quickly s | 0 | Codex, OpenCode | 1 | 1,215 tok |
| hyperlogue/r3 r3.hyperlogue.tech Understand what's built. Steer what's next. | 0 | Claude Code, Codex, OpenCode | 3 | 466 tok |
| yuxiaoji30-lang/ai-maintainer-copilot-skill A public, evidence-first agent skill for open-source maintainers: AI-assisted issue triage | 0 | Codex, OpenCode | 1 | 348 tok |
| ma2za/google-news-api pypi.org Google News API Python client for Google News RSS search, top stories, async clients, URL | 0 | Claude Code, Codex, OpenCode | 3 | 867 tok |
| daveepope/arena A cross platform sandboxing framework with built in profiling workflows. | 0 | Claude Code, Codex, OpenCode | 3 | 13,522 tok |
| elvis-ndubuisi/lazypr | 0 | Codex, OpenCode | 1 | 1,207 tok |
| sturlese/stigmergy A team's knowledge, captured where the work happens, filed by an agent, and answered with | 0 | Claude Code, Codex, OpenCode | 4 | 1,893 tok |
| simonwong/writing-skills | 0 | Claude Code, Codex, OpenCode | 3 | 606 tok |
| thomastron/personal-constitution Personal belief accountability system + Socratic debate-prep toolkit for agentic AI (Claud | 0 | Claude Code, Codex, OpenCode | 2 | 1,980 tok |
| SeanHogg/Builderforce.ai Agentic AI Coding Platform that enables everyone to train, design and embed custom LLMs in | 0 | Claude Code, Codex, OpenCode | 3 | 376 tok |
| dbhq-uk/verve-skill skills.dbhq.uk Agent skill that strips AI tells from prose and puts a human voice back, pitched at the re | 0 | Claude Code, Codex, OpenCode | 1 | 2,340 tok |
| shno-labs/mem-forge Give every agent your team's brain on day one. The memory layer for AI agents. Everything | 0 | Claude Code, Codex, OpenCode | 2 | 2,602 tok |
| harshanandak/forge Forge — an open building-block platform for AI coding agents: blocks declare operations on | 0 | Codex, OpenCode | 1 | 491 tok |
| LinVireo/browsertap-mcp | 0 | Codex, OpenCode | 1 | 1,167 tok |
| tony/skills | 0 | Claude Code, Codex, Gemini CLI, OpenCode | 3 | 3,885 tok |
| Paul-hengChen/agent-governance-mcp MCP server for multi-IDE AI agents — server-side gates for shared state, rule drift, and l | 0 | Claude Code, Codex, OpenCode | 2 | 4,467 tok |
| ariffazil/AAA aaa.arif-fazil.com A2A v1.0 federation gateway and state plane. Routes intent. Displays state. Never judges, | 0 | Claude Code, Codex, GitHub Copilot, OpenCode | 3 | 4,158 tok |
| rahmanef63/connectors One MCP server, several ways to register and ship it. A guide repo an AI agent reads befor | 0 | Claude Code, Codex, OpenCode | 2 | 2,901 tok |
| kleosr/kleosrules Cursor harness pack: user rules, skills, Bash hooks, local HANDOFF memory. macOS, Linux, W | 0 | Codex, OpenCode | 1 | 476 tok |
| jmenzies722/shua-labs shua-labs.vercel.app Tools for running AI agents in production — safe, observable, cheap to operate. | 0 | Claude Code, Codex, Cursor, OpenCode | 16 | 471 tok |
| osac-project/osac-ai-skills | 0 | Claude Code, Codex, OpenCode | 3 | 2,051 tok |