43,652 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 agents7,588Claude Code6,636Data and AI3,676Backend and APIs3,496Languages3,402Planning3,219Git and workflow3,187Code review2,745Testing2,374Memory and context2,364DevOps and cloud2,310Writing and docs2,309Research2,295Frontend2,261Security2,021Productivity1,715
All Claude Code31,998 Codex23,222 OpenCode22,170 GitHub Copilot3,550 Gemini CLI1,918 Cursor1,738 Windsurf137 Kiro80
| Project | Stars | Configures | Files | Always loaded |
|---|---|---|---|---|
| bsg100/gemini-linux Kali Linux arm64 build for Planet Computers Gemini PDA (MT6797X / Helio X25) | 4 | Claude Code | 5 | — |
| reem-sab/tech-writer-prompts An open-source, tested prompt library for technical writers. Prompts are documentation. Do | 4 | Codex, OpenCode | 1 | 761 tok |
| jperocho/diffwarden Independent PR guardian skill/playbook. | 4 | Claude Code, Codex, OpenCode | 2 | 1,076 tok |
| itslab42/agentctl itslab42.github.io Define AI coding-agent permissions once, enforce them everywhere. One .ai/ source of truth | 4 | Codex, Kiro, OpenCode | 3 | 1,219 tok |
| muhammaddadu/outlook-cli | 4 | Codex, OpenCode | 1 | 2,473 tok |
| AllenMuu/mysql-cli Go CLI for AI agent MySQL access | 4 | Claude Code, Codex, OpenCode | 2 | 2,782 tok |
| headlinearena/headlinearena-agent-plugin headlinearena.com Skills for integrating AI agents with HeadlineArena | 4 | Claude Code, Codex, OpenCode | 2 | 1,445 tok |
| AgiFlow/ai-plugin Agiflow's plugin for Codex, Claude Code, Antigravity, Cursor | 4 | Gemini CLI | 1 | 25 tok |
| prevalentWare/opencode-loop-plugin npmjs.com OpenCode loop plugin for Claude Code-style /loop recurring prompts, idle-aware scheduling, | 4 | Codex, OpenCode | 1 | 982 tok |
| asbis/ShapeItUp Scripted CAD for VS Code — write TypeScript, see 3D, export STEP/STL. AI-powered with Clau | 4 | Claude Code | 1 | 3,704 tok |
| Ding-Ding-Projects/lowlevel-computer-use-mcp ding-ding-projects.github.io | 4 | Codex, OpenCode | 1 | 1,452 tok |
| spilchen/yahoo_fantasy_mcp MCP server for Yahoo! Fantasy League | 4 | Claude Code | 1 | 19 tok |
| JaeHyeon-KAIST/pdf2zh-next-mcp MCP server for PDF translation via pdf2zh-next with full-context LLM translation | 4 | Claude Code | 1 | 696 tok |
| MMoMM-org/miyo-kado Where AI meets your vault, on your terms... Obsidian Vault MCP Server | 4 | Claude Code, Codex, OpenCode | 3 | 1,884 tok |
| leixyou/chatgpt-web-image-mcp Local MCP bridge for generating and retrieving images through a dedicated ChatGPT web brow | 4 | Codex, OpenCode | 1 | 276 tok |
| Hellowda253/KIT-PUCP-MCP Kit MCP comunitario para estudiantes PUCP: Paideia, Campus Virtual, horarios, notas, matrí | 4 | Codex, OpenCode | 1 | 1,027 tok |
| valenZW/cst-sim-agent A Claude Code plugin turning CST Studio Suite into a conversational electromagnetic simula | 4 | Codex, OpenCode | 1 | 2,419 tok |
| cyanheads/internet-archive-mcp-server npmjs.com Search the Wayback Machine and IA library (40M+ items), fetch archived snapshots, retrieve | 4 | Claude Code, Codex, OpenCode | 2 | 11,224 tok |
| lllyin/mcp-cn-a-stock An A-share data MCP (Model Context Protocol) service for AI Agents. | 4 | Claude Code, Codex, OpenCode | 2 | 345 tok |
| ahmetdenizyilmaz/midas-mcp MCP server for the Midas brokerage (atlas.getmidas.com) - portfolio, quotes and order plac | 4 | Claude Code | 1 | 4,610 tok |
| salimfadhley/agent-inbox A SQLite mailbox for local LLM agents — one HTTP API, an ActivityStreams messaging model, | 4 | Claude Code, Codex, OpenCode | 2 | 3,720 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 | 4 | Claude Code, Codex, OpenCode | 10 | 5,437 tok |
| davidmosiah/fitbit-mcp wellness.delx.ai MCP server for Fitbit — query daily activity, heart rate, sleep, and body data from your F | 4 | Codex, OpenCode | 1 | 152 tok |
| nitin27may/ms-graph-mcp nitinksingh.com Microsoft Graph MCP server for AI agents — 85 tools across Outlook mail & calendar, Teams, | 4 | Claude Code | 1 | 3,394 tok |
| satohubai/onchain-agents satohub.ai ⬡ The scored, daily-updated index of the onchain agent stack — frameworks, MCPs, wallets, | 4 | Claude Code, Codex, GitHub Copilot, OpenCode | 3 | 1,587 tok |
| ashyeager/harikos.ai harikos-ai.vercel.app Truth based memory for AI coding Agents. | 4 | Codex, OpenCode | 1 | 1,367 tok |
| JTCHE/houdini-mcp Houdini MCP — AI control of Houdini via Model Context Protocol (fork of kleer001/houdini-m | 4 | Claude Code, Codex, OpenCode | 2 | 492 tok |
| kody-bot/home-mcp-starter kody.codes Starter for a home MCP server you can connect to Kody over Cloudflare Tunnel and Access. | 4 | Codex, OpenCode | 1 | 53 tok |
| robconery/kolea Kōlea — self-hosted broadcasts, drip sequences, and transactional email in one Cloudflare | 4 | Claude Code | 27 | 1,741 tok |
| hronaut/hronaut hronaut.dev The browser your coding agent can come back to — visible, persistent, isolated workspaces | 4 | Codex, OpenCode | 1 | 1,310 tok |
| ssheleg/super-ux skills.sshlg.me Scenario-driven UX for coding agents: vision, personas, flows, screens, acceptance scenari | 4 | Claude Code, Codex, OpenCode | 2 | 2,208 tok |
| testivai/testivai-oss testiv.ai Local-first visual regression testing for Playwright, Selenium, WebdriverIO, Python, Java | 4 | Claude Code, Codex, OpenCode | 2 | 4,479 tok |
| Indhar01/MemoGraph indhar01.github.io MemoGraph is an intelligent personal memory management system for Large Language Models (L | 4 | Claude Code | 1 | 2,262 tok |
| anishmoncivarghese/sonde Local code-context engine for AI coding agents: structural answers within a token budget. | 4 | Claude Code, Codex, OpenCode | 7 | 1,941 tok |
| nworks3d/THOR-memory-bible-for-AI A memory for your AI coding assistant. It keeps what you tell it and hands the right note | 4 | Codex, OpenCode | 1 | 3,658 tok |
| hanselhansel/context-cli LLM readiness linter for websites. Audits robots.txt, llms.txt, Schema.org, and content de | 4 | Claude Code | 11 | 2,591 tok |
| robdefeo/agent-skills A collection of reusable skills for AI coding agents, published via skills.sh | 4 | Claude Code | 2 | — |
| dig1t/skills | 4 | Claude Code, Codex | 3 | — |
| Maartenlouis/elevenlabs-remotion-skill Generate professional AI voiceovers for Remotion videos using ElevenLabs. Features scene-b | 4 | Claude Code | 1 | 4,097 tok |
| labjp-mcp/mcp-sessionize MCP server for Sessionize event data | 4 | Claude Code | 1 | 1,517 tok |
| endlessblink/clean-cut-mcp Simply describe your animation, and watch Claude create stunning React-powered videos in a | 4 | Claude Code, Codex, OpenCode | 10 | 903 tok |
| YawLabs/lemonsqueezy-mcp yaw.sh LemonSqueezy MCP server for managing your store from AI assistants | 4 | Claude Code | 1 | 1,777 tok |
| grncdr/missive-mcp A remote MCP server for interacting with Missive | 4 | Claude Code | 1 | 924 tok |
| Fupete/design-system-italia-mcp fupete.github.io Filo è un server MCP sperimentale e non ufficiale per il Design system .italia | Filo is a | 4 | Claude Code | 1 | 9,706 tok |
| jcafazzo/fhir-mcp Enhanced FHIR MCP server with data quality assessment and comprehensive healthcare data ac | 4 | Claude Code | 1 | 524 tok |
| jmagly/hound-mcp MCP server for Hound code search - expose regex-based code search to Claude Code and AI ag | 4 | Claude Code, Codex, OpenCode | 2 | 314 tok |
| mjbommar/kernel-lore-mcp pypi.org MCP + REST server exposing fast search over Linux kernel mailing list archives (lore.kerne | 4 | Claude Code | 1 | 4,948 tok |
| huber/fronius-mcp-server | 4 | Claude Code | 1 | 2,083 tok |
| IndelibleVivi/mcp-app-production-fieldlab Executable, evidence-bounded MCP App production field lab | 4 | Codex, OpenCode | 1 | 1,217 tok |
| badchars/steganography-mcp npmjs.com 128-tool MCP server for steganography analysis — LSB detection, chi-square steganalysis, R | 4 | Claude Code | 1 | 422 tok |