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 |
|---|---|---|---|---|
| jascal/orca-lang Orca (Orchestrated State Machine Language) — an LLM-native code generation target | 15 | Claude Code, Codex, OpenCode | 8 | 9,776 tok |
| lesleslie/excalidraw-mcp Unofficial Excalidraw MCP Server | 15 | Claude Code, Codex, Gemini CLI, OpenCode | 3 | 3,292 tok |
| Brandcode-Studio/brandsystem-mcp brandcode.studio Use existing brand guidelines with AI. Turn websites, PDFs, and Figma into a portable .bra | 15 | Claude Code, Codex, OpenCode | 2 | 4,474 tok |
| manushi4/Screenhand screenhand.com Give AI eyes and hands on your desktop. Open-source MCP server for desktop automation — sc | 15 | Claude Code, Codex, OpenCode | 12 | 5,310 tok |
| raydeStar/sir-thaddeus Private, local-first AI assistant for Windows with permissioned tools, durable memory, and | 15 | Codex, GitHub Copilot, OpenCode | 6 | 13,425 tok |
| Ju571nK/sigil sigilworks.net Open-source config scanner for AI coding agents: scores the permissions, hooks, sandbox an | 15 | Codex, OpenCode | 1 | 425 tok |
| cote-star/agent-chorus Local-first CLI to read, compare, and hand off sessions across Claude Code, Codex, Gemini, | 15 | Claude Code, Codex, Cursor, Gemini CLI, OpenCode | 4 | 4,938 tok |
| Peadarpol/ai-delivery-control A governance harness for AI-assisted software delivery. You govern. Agents deliver. | 15 | Claude Code, Codex | 25 | — |
| braintrustdata/bt | 15 | Claude Code, Codex, OpenCode | 3 | 967 tok |
| yusong652/yade-mcp pypi.org MCP server connecting AI agents to YADE — run DEM simulations through natural conversation | 15 | Claude Code, Codex, OpenCode | 2 | 1,379 tok |
| AlexanderAbramovPav/scriba Fast local meeting transcription with accurate speaker diarization — for your AI assistant | 15 | Codex, OpenCode | 1 | 3,281 tok |
| kissgyorgy/coding-agents Nix packages, skills, extensions for coding-agents (Claude Code, Gemini CLI, Pi Coding Age | 15 | Codex, OpenCode | 1 | 1,509 tok |
| byronxlg/skillfold byronxlg.com Declarative skill manager for Claude Code and Codex. Declare skills in YAML, pin exact rev | 15 | Claude Code, Codex, OpenCode | 2 | 2,102 tok |
| oubakiou/mdxg-redline Inline review tool for MDXG markdown — capture highlighted comments and export them as str | 15 | Claude Code, Codex, OpenCode | 4 | 585 tok |
| Tencent-RTC/agent-skills trtc.io TRTC AI Integration Assistant - helps developers integrate Tencent Real-Time Communication | 15 | Claude Code, Codex, OpenCode | 2 | 3,709 tok |
| hwl668/Scientific-learning-skills- Diagnosis-first Agent Skills that turn AI from answer machine into learning tutor. | 15 | Codex, OpenCode | 1 | 2,009 tok |
| ariaxhan/kernel-claude Claude Code learns from itself. Persistent memory, multi-agent orchestration, and a scient | 15 | Claude Code, Codex, OpenCode | 4 | 13,388 tok |
| Kbediako/codex-termux-pocket Codex CLI tweaked for Android/Termux (self-update + build version) | 15 | Codex, OpenCode | 1 | 5,484 tok |
| Mingye-Lu/AgenticCrawler acrawl — LLM-powered web crawler. Describe what you want in plain English, get structured | 15 | Codex, OpenCode | 1 | 6,382 tok |
| vaaraio/vaara vaara.io Accountable Autonomy: open-source evidence layer that gates every AI agent tool call again | 15 | Codex, OpenCode | 1 | 1,065 tok |
| sint-ai/sint-protocol sint.gg Open-source runtime security and governance for AI agents, MCP tools, robotics, industrial | 15 | Claude Code, Codex, OpenCode | 2 | 4,765 tok |
| elkadrinaoufal1996/hormozi-marketing-ultimate Ultimate marketing plugin for Claude Code and Cowork — selling digital products (PDF guid | 15 | Claude Code, Codex, OpenCode | 1 | 2,260 tok |
| jungjaehoon-lifegamez/MAMA Local-first operating memory for AI coding agents - Claude Code, Codex, and any MCP client | 15 | Claude Code, Codex, OpenCode | 2 | 3,625 tok |
| reactiveui/Primitives A compact, allocation-conscious reactive programming library for .NET built on IObservable | 15 | Claude Code, Codex, GitHub Copilot, OpenCode | 3 | 2,328 tok |
| songth1ef/nestwork songth1ef.github.io Sync memory across multiple AI agents via git. Claude/Codex/Gemini/Hermes on different mac | 15 | Claude Code, Codex, OpenCode | 2 | 13,281 tok |
| Montimage/mitre-mcp A Model Context Protocol (MCP) server that provides tools for working with the MITRE ATT&C | 15 | Claude Code, Codex, OpenCode | 2 | 1,291 tok |
| danielsimonjr/everything-mcp MCP server for Everything search engine - instant file search for Windows | 15 | Claude Code, Codex, OpenCode | 2 | 1,504 tok |
| guycochran/resolve-mcp-server DaVinci Resolve MCP Server — 53 tools for AI-powered remote video editing via Claude | 15 | Claude Code, Codex, OpenCode | 2 | 1,731 tok |
| corbym/memoryweb A memory web MCP server for Agents. Stores knowledge as a graph of nodes connected by type | 15 | Claude Code, Codex, OpenCode | 2 | 8,978 tok |
| eddmann/garmin-connect-cli eddmann.com Garmin Connect from your terminal. Pipe it, script it, automate it. | 15 | Claude Code, Codex, OpenCode | 2 | 88 tok |
| istota-project/istota istota.cynium.com Your intelligent personal OS | 15 | Claude Code, Codex, OpenCode | 4 | 14,172 tok |
| MindFlock/MindFlock mindflock.ai Run a flock of AI coding agents, each in its own git worktree, started by your ticket queu | 15 | Codex, OpenCode | 1 | 973 tok |
| githubnext/rig Cross Agent Dynamic Workflows as a Skill | 15 | Codex, OpenCode | 1 | 1,203 tok |
| davidmosiah/whoop-mcp wellness.delx.ai Local-first MCP server for WHOOP recovery, HRV & sleep — Claude, Cursor, ChatGPT ready | 15 | Codex, OpenCode | 1 | 158 tok |
| jiuge2467/dsh-studio A modern DeepSeek Harness (DSH) full-stack enhancement workstation, multi-source MCP visua | 15 | Claude Code, Codex, OpenCode | 13 | 3,562 tok |
| zaxardery8011-design/line-persona zax.com.tw LINE Shadow Clone — a low-barrier, BYO-AI open-source framework for LINE clones. Just ask | 15 | Claude Code, Codex, OpenCode | 2 | 8,473 tok |
| harbor-framework/skills Public agent skills catalog for Harbor | 15 | Claude Code, Codex, OpenCode | 2 | 654 tok |
| rudraptpsingh/figbridge rudraptpsingh.github.io Figma → Code (HTML/CSS/Tailwind/tokens), read by any AI agent via MCP. Free, local, no Dev | 15 | Claude Code, Codex, OpenCode | 3 | 3,570 tok |
| Automattic/radical-pipelines automattic.github.io Set of tools to orchestrate autonomous development pipelines | 15 | Claude Code, Codex, OpenCode | 2 | 1,265 tok |
| claude-code-expert/carve-harness Harness Engineering for Project | 15 | Claude Code, Codex, Cursor, OpenCode | 43 | 2,558 tok |
| ZeroZ-lab/gm-skills | 15 | Claude Code, Codex, OpenCode | 2 | 1,128 tok |
| Toadoum/ai-research-skill | 15 | Codex, OpenCode | 1 | 224 tok |
| zama-ai/sdk TypeScript SDK for confidential FHE smart contracts on Zama Protocol | 15 | Claude Code, Codex, OpenCode | 2 | 1,194 tok |
| kucherenko/petropowers AI skills framework for petroleum engineering workflows, built on Superpowers foundation. | 15 | Claude Code, Codex, Gemini CLI, OpenCode | 3 | 1,347 tok |
| dhy365-creator/codex-third-party-subagents Use third-party and Chinese model APIs as bounded Codex subagents while keeping Codex as t | 15 | Codex, OpenCode | 1 | 518 tok |
| tteggu87/DocTology Obsidian-first LLM Wiki skill pack with ontology-ready bootstrap, canonical JSONL truth la | 15 | Codex, OpenCode | 1 | 617 tok |
| s2-streamstore/tailsurf tail.surf Streaming gists for live work, build output, and agent conversations. | 15 | Codex, OpenCode | 1 | 161 tok |
| mathruffian-dot/clasp-gas-skill A cross-agent clasp + Google Apps Script integration skill (Claude Code / ChatGPT App / op | 15 | Codex, OpenCode | 1 | 403 tok |
| cobusgreyling/harness-foundry cobusgreyling.github.io Composable harness runtime for production agents — primitives, traces, evolution, outerloo | 15 | Codex, OpenCode | 1 | 52 tok |
| hubzoid/hubzoid hubzoid.com Open-source platform for internal AI agents. Your team's knowledge, rules and tools once, | 15 | Codex, OpenCode | 1 | 3,203 tok |