45,012 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 agents8,549Claude Code6,896Git and workflow3,630Data and AI3,579Backend and APIs3,559Languages3,491Planning3,321Code review2,909Testing2,691DevOps and cloud2,492Writing and docs2,490Memory and context2,374Research2,321Frontend2,311Security2,183Project management1,977
All Claude Code32,540 Codex24,898 OpenCode23,819 GitHub Copilot3,723 Gemini CLI2,039 Cursor1,772 Windsurf202 Kiro116
| Project | Stars | Configures | Files | Always loaded |
|---|---|---|---|---|
| lazyants/lexware-mcp-server | 8 | Claude Code | 1 | 1,803 tok |
| MidnightDarling/collate Chinese-language literature OCR proofreading and reading pipeline for historical researche | 8 | Claude Code, Codex, Gemini CLI, OpenCode | 2 | 9,613 tok |
| grostim/cloudcli-cron Scheduled Prompt is a local-first CloudCLI plugin for workspace-scoped scheduled prompts, | 8 | Codex, OpenCode | 1 | 46 tok |
| uselayout/cli layout.design Layout CLI + MCP server — design system context for AI coding agents | 8 | Claude Code | 3 | 266 tok |
| lukasmetzler/agenteval Lint, benchmark, and score your AI coding instructions. Stop guessing, start measuring. | 8 | Claude Code, GitHub Copilot | 3 | 1,534 tok |
| Abdssamie/promption Promption is a modern AI prompt manager built with Tauri, React, and TypeScript. | 8 | Codex, OpenCode | 1 | 3,395 tok |
| counterposition/pi Skills, extensions, and packages for the Pi coding agent | 8 | Claude Code, Codex, OpenCode | 2 | 269 tok |
| Xipher-Labs/walter-os Self-hostable AI-agent operations framework by Xipher Labs | 8 | Claude Code, Codex, OpenCode | 2 | 7,868 tok |
| cekura-ai/cekura-skills Claude Plug-Ins & Skills for Cekura | 8 | Claude Code, Gemini CLI | 2 | 16,191 tok |
| jnorthrup/TrikeShed my (++Bike)shed ideas | 8 | Codex, OpenCode | 1 | 267 tok |
| clawnify/greybeard Behavioral guidelines for AI coding agents — drop into CLAUDE.md / AGENTS.md to reduce com | 8 | Claude Code, Codex, GitHub Copilot, Gemini CLI, OpenCode | 4 | 15,123 tok |
| moberghr/mtk-agent-toolkit moberghr.github.io A Claude Code plugin that enforces your team's coding standards, security policies, and re | 8 | Claude Code, Codex, OpenCode | 43 | 2,333 tok |
| kint4/autoframe AI-native QA automation framework — Playwright + TypeScript + k6 + Allure with 14 built-in | 8 | Claude Code | 15 | 4,002 tok |
| leefowlercu/agent-kit My Codex / Claude Code Plugin Marketplace | 8 | Claude Code, Codex, OpenCode | 2 | 979 tok |
| L3DigitalNet/Claude-Code-Plugins Plugins for Claude Code | 8 | Claude Code, Codex, OpenCode | 4 | 2,068 tok |
| Data-Wise/himalaya-mcp data-wise.github.io Privacy-first email MCP server + Claude Code plugin wrapping himalaya CLI | 8 | Claude Code, Codex, OpenCode | 2 | 9,317 tok |
| anotherpanacea-eng/apodictic APODICTIC: AI Developmental Editing Plugin for Claude | 8 | Claude Code, Codex, OpenCode | 3 | 3,923 tok |
| cdeistopened/kdp-kings-wiki Ask KDP Kings — Claude Code plugin for Amazon self-publishing. 12 skills, 15 framework gui | 8 | Claude Code | 1 | 1,406 tok |
| chicken-noodle-chris/tome Tome is a Claude Code plugin and a CLI tool with skills and scripts to create an llm-wiki | 8 | Claude Code | 1 | 409 tok |
| BENZEMA216/music-analyzer Claude Code plugin — analyze audio files, extract musical features, generate Dreamina prom | 8 | Claude Code | 10 | 632 tok |
| TheDecipherist/classmcp classmcp.com MCP server for AI-assisted CSS development. 77% token savings with semantic class patterns | 8 | Claude Code | 1 | 720 tok |
| solana-mobile/solana-mobile-skills Agent skills for Solana Mobile development (Claude Code, Codex, OpenCode, Cursor, Gemini, | 8 | Codex, OpenCode | 1 | 1,160 tok |
| epodivilov/garmin-connect-mcp MCP server for Garmin connect | 8 | Claude Code | 7 | 1,600 tok |
| essentialproject/essential-view-builder-mcp This MCP (Model Context Protocol) server provides tools and resources for building high-qu | 8 | Claude Code, Codex, Gemini CLI, OpenCode | 3 | 373 tok |
| Aaronjacobs000/sophos-central-mcp | 8 | Claude Code | 1 | 1,304 tok |
| sportsanalytics-world/OPTA_api_docs MCP Server for OPTA API Documentation - Automatically discover and test football API endpo | 8 | Cursor | 1 | 195 tok |
| s-morgan-jeffries/omnifocus-mcp MCP server for OmniFocus integration - enables Claude and other MCP clients to interact wi | 8 | Claude Code | 10 | — |
| uyu423/requarks-wiki-mcp npmjs.com MCP server for Wiki.js knowledge-base read/write operations | 8 | Claude Code, Codex, OpenCode | 3 | 2,856 tok |
| moonx010/hive-memory npmjs.com Cross-project memory for AI coding agents. MCP server that maintains context, decisions, a | 8 | Claude Code, Codex | 5 | 2,134 tok |
| thebtf/netcoredbg-mcp | 8 | Claude Code, Codex, OpenCode | 2 | 3,643 tok |
| Remskill/Cortex Cortex: Open-Source AI Memory for your Codebase. Works with Claude CLI and others. It inde | 8 | Claude Code | 1 | 1,401 tok |
| jazzsequence/5eMCP | 8 | Claude Code, Codex, OpenCode | 2 | 3,626 tok |
| koshimazaki/UE-AUDIO-MCP Game audio systems generation via MCP. Wwise + MetaSounds + Blueprint — complete audio wor | 8 | Claude Code, Codex, OpenCode | 8 | 213 tok |
| u33pk/mitmproxy-mcp | 8 | Claude Code, Codex, OpenCode | 2 | 4,470 tok |
| agatho/trinitycore-mcp Model Context Protocol server for TrinityCore development | 8 | Claude Code | 5 | — |
| GangGreenTemperTatum/fbdl-mcp facebook.com MCP Server for Meta Hackers, use agents to create FBDL scripts. FBDL is a tool designed to | 8 | Claude Code, Codex, OpenCode | 5 | 3,464 tok |
| gdigora/yandex-mail-mcp MCP server for Yandex Mail - read, search, and send emails via IMAP/SMTP | 8 | Claude Code | 2 | 428 tok |
| gpulga/ableton-dj-mcp MCP server for AI-assisted electronic music production in Ableton Live | 8 | Claude Code, Codex, OpenCode | 2 | 1,499 tok |
| pgmnemo/pgmnemo pgmnemo.com Multi-agent memory substrate for PostgreSQL — provenance-gated, vector-hybrid recall | 8 | Codex, OpenCode | 1 | 8,496 tok |
| Rahulk644/Appflowy-MCP-Server Open-source MCP server for AppFlowy Cloud — let AI agents read, build, and edit your works | 8 | Codex, OpenCode | 1 | 886 tok |
| tough-tongue/toughtongue-skills toughtongueai.com Agent skills and MCP server for Tough Tongue AI. Create voice-agent scenarios, refine them | 8 | Claude Code, Codex, OpenCode | 1 | 2,770 tok |
| jordanburke/joplin-mcp-server | 8 | Claude Code | 1 | 1,061 tok |
| JustinBeckwith/pylon-mcp MCP server for Pylon customer support platform | 8 | Codex, OpenCode | 1 | 299 tok |
| MetriLLM/metrillm metrillm.dev Benchmark local LLM models: speed, quality, and hardware fitness scoring. CLI, MCP server, | 8 | Claude Code, Codex, OpenCode | 2 | 2,834 tok |
| rhinocap/raven-mcp Design intelligence MCP server — principles, patterns, tokens, and strategy for AI-generat | 8 | Claude Code, Codex, OpenCode | 4 | 3,365 tok |
| Aero25x/ASO-Copilot persocia.com Self-hosted App Store Optimization tracker with keyword rank tracking, competitor spying, | 8 | Claude Code, Codex, OpenCode | 2 | 79 tok |
| gregario/dnd-oracle D&D 5e SRD MCP server — monster search, spell lookup, encounter building, and character to | 8 | Claude Code | 9 | 264 tok |
| up2itnow0822/agentpay-mcp npmjs.com Non-custodial x402 MCP payment layer for AI agents — the open-source alternative to Vercel | 8 | Codex, Cursor, OpenCode | 2 | 1,841 tok |
| yBookoff/thebrain-mcp npmjs.com MCP server for TheBrain 15 — semantic operations over the local API: meaning-based search, | 8 | Claude Code | 1 | 2,857 tok |
| plmbr/nui nui.plmbr.dev nui is a self-hosted agent runtime. Define agents declaratively in ADL, run them on any ha | 8 | Claude Code | 1 | 3,068 tok |