32,539 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 agents8,544Claude Code6,892Git and workflow3,622Data and AI3,580Backend and APIs3,558Languages3,492Planning3,321Code review2,907Testing2,690DevOps and cloud2,489Writing and docs2,484Memory and context2,374Research2,321Frontend2,311Security2,178Project management1,971
All Claude Code32,539 Codex24,879 OpenCode23,799 GitHub Copilot3,723 Gemini CLI2,040 Cursor1,772 Windsurf202 Kiro116
| Project | Stars | Configures | Files | Always loaded |
|---|---|---|---|---|
| hallboys/MCP4Acumatica MCP Server for Acumatica ERP | 21 | Claude Code | 1 | 27,474 tok |
| AceDataCloud/SeedanceMCP Seedance by Ace Data Cloud: text-to-video, image-to-video and task results via MCP. | 21 | Claude Code, GitHub Copilot | 2 | 809 tok |
| zgbrenner/agentcounsel zgbrenner.github.io Open-source, AI-agnostic skills for legal teams. | 21 | Claude Code, Codex, Gemini CLI, OpenCode | 3 | 3,839 tok |
| denysdovhan/agents A collection of custom skills for my workflows with AI-agents | 21 | Claude Code, Codex, OpenCode | 2 | 528 tok |
| MarioZZJ/cc-notify-hooks mariozzj.github.io Agent response-waiting notification plugin (supports Claude Code, CodeX, DeepSeek Harness, | 21 | Claude Code, Codex, OpenCode | 2 | 2,577 tok |
| rejifald/StitchAPI stitchapi.dev The agent-native runtime where a typed, declarative stitch replaces fetch — for humans and | 21 | Claude Code | 3 | 738 tok |
| Sensorica/nondominium sensorica.co Nondominium built on REA + Valueflows + Holochain is a distributed multi-agent system for | 21 | Claude Code, Codex, Gemini CLI, OpenCode | 3 | 3 tok |
| Open-Harness/open-harness open-harness.github.io | 21 | Claude Code, Codex, OpenCode | 5 | 6,022 tok |
| techleadhd/blockworld Voxel renderer for AI Agents (MCP, skills) | 21 | Claude Code | 3 | — |
| drasticstatic/tradingview-mcp-jackson TradingView Desktop MCP — Fortuna trading system working copy. Upstream: LewisWJackson/tra | 21 | Claude Code, Codex, OpenCode | 2 | 4,579 tok |
| Synter-Media-AI/mcp-server synterai.com Open-source MCP server for AI agents (MIT): read across 43 ad platforms ($0.00/mo, 0% ad s | 21 | Claude Code, Codex, Gemini CLI, OpenCode | 3 | 2,570 tok |
| Repliers-io/mcp-server Open-source MCP server for the Repliers API. Lets developers build conversational and agen | 21 | Claude Code | 3 | 3,097 tok |
| hilyfux/knowledge-graph Stop AI Coding from forgetting. A knowledge graph–driven memory layer for LLMs (ChatGPT, | 21 | Claude Code, Codex, OpenCode | 2 | 1,190 tok |
| R-s0n/rs0n-bug-bounty-mcp-server An MCP (Model Context Protocol) server that gives Claude Code access to a comprehensive bu | 21 | Claude Code | 1 | 430 tok |
| mikhashev/law7 Law7 MCP Server and Core Engine -- Open up-to-date legal database for AI assistants | 21 | Claude Code | 1 | 3,170 tok |
| icerain-cmd/humanities-superpowers icerain-cmd.github.io Structured research skills and quality gates for humanities scholars using AI agents. | 21 | Claude Code, Codex, OpenCode | 2 | 524 tok |
| SigNoz/agent-skills signoz.io Agent skills for SigNoz | 21 | Claude Code, Codex, OpenCode | 2 | 28 tok |
| olaservo/skilljack-mcp MCP server that discovers and serves Agent Skills. | 21 | Claude Code | 1 | 6,332 tok |
| dshakes/distil dshakes.github.io Compression with a quality contract — cache-aware, causally-pruned LLM context compression | 21 | Claude Code | 1 | — |
| PonClick/marktplaats-mcp MCP server for searching Marktplaats.nl via AI assistants | 21 | Claude Code | 1 | 1,634 tok |
| HMAKT99/AKF akf.dev Trust metadata for AI agents — a stamp costs ~15 tokens, re-verifying costs 15,000. Agents | 21 | Claude Code, Codex, GitHub Copilot, Cursor, OpenCode, Windsurf | 5 | 1,886 tok |
| PromptOwl/ContextNest Structured, versioned context for AI agents. Context Nest organizes knowledge as markdown | 21 | Claude Code | 3 | 4,809 tok |
| hi-godot/cyberpunk-hud-demo Cyberpunk-style HUD demo for Godot 4. Built with Claude Code via the godot-ai MCP plugin. | 21 | Claude Code | 1 | 561 tok |
| devdotbo/perplexity-web-mcp CLI, MCP server, and API-compatible interface for Perplexity AI | 21 | Claude Code | 1 | 736 tok |
| Clientell-Ai/salesforce-skills Salesforce development skills for AI coding agents - Apex, Flows, LWC, SOQL, security, dep | 21 | Claude Code, Codex, OpenCode | 3 | 746 tok |
| git2968/Desktop-pet A desktop pet app supporting Live2D, the Codex Hatch-Pet model, AI conversations, persona | 21 | Claude Code | 1 | 522 tok |
| jikig-ai/soleur soleur.ai The Company-as-a-Service platform. Build, ship, and scale -- powered by AI teams. | 21 | Claude Code, Codex, OpenCode | 7 | 1,709 tok |
| juanklagos/spec-driven-development-template juanklagos.github.io Operational SDD framework with AI guidance, GitHub Spec Kit workflows, and MCP support. | 21 | Claude Code, Codex, GitHub Copilot, Cursor, Gemini CLI, OpenCode | 6 | 4,865 tok |
| zvec-ai/zvec-agent-skills zvec.org Official AI Agent skills for building with Zvec vector database | 21 | Claude Code | 1 | 804 tok |
| jurigis/avoid-ai-writing-multilingual Language-specific AI writing pattern detectors for Claude Code, ChatGPT, Cursor and other | 21 | Claude Code | 2 | 1,573 tok |
| krokoko/cairn AI readiness & verification toolkit — measure how ready your codebase is for autonomous AI | 21 | Claude Code, Codex, OpenCode | 2 | 362 tok |
| RandomSynergy17/Arcane-MCP-Server A comprehensive Model Context Protocol server that exposes the Arcane Docker Management AP | 21 | Claude Code | 1 | 1,135 tok |
| alexey-pelykh/lhremote lhremote.org CLI and MCP server for LinkedHelper automation — let AI assistants control LinkedIn outrea | 21 | Claude Code, GitHub Copilot | 3 | 6,838 tok |
| faze79/WPFVisualTreeMcp MCP server and CLI for WPF: inspect visual trees and bindings, capture scrollable content, | 21 | Claude Code | 1 | 5,111 tok |
| seoskillsai/seo-skills-ai seoskillsai.com SEO Skills AI: Universal AI SEO Agent & Technical Optimization Suite across Claude Code, A | 21 | Claude Code, Codex, Cursor, OpenCode, Windsurf | 4 | 2,614 tok |
| AlterLab-IEU/AlterLab-FC-Skills 🎓 72 production-grade Claude AI skills for communication students — PR & advertising, cin | 21 | Claude Code | 1 | 5,796 tok |
| dbcls/togomcp togomcp.rdfportal.org MCP server for life-science knowledge graphs | 21 | Claude Code | 7 | 5,251 tok |
| WingedGuardian/skyrimvr-claude-toolkit AI-assisted Skyrim modding environment for Claude Code. SE/AE/VR — ESP tools, safety hooks | 21 | Claude Code, Codex, OpenCode | 22 | 15,069 tok |
| khusdasz-cmd/aigc-dedup-tool AIGC reduction is an AI reduction engine specifically designed for Chinese academic papers | 21 | Claude Code | 1 | 4,063 tok |
| Certora/AutoProver | 21 | Claude Code | 3 | 955 tok |
| webdriverio/desktop-mobile Integration services for cross-platform testing with WebdriverIO | 21 | Claude Code, Codex, OpenCode | 2 | 1,296 tok |
| getmunin/munin getmunin.com The customer platform for the agentic era. MCP-first, open source, self-hostable. | 21 | Claude Code, Codex, OpenCode | 4 | 8,406 tok |
| phamcuong21478/rtl-skills Claude Code skills & agents that automate a full RTL/Verilog design flow - architecture, R | 21 | Claude Code | 1 | 2,183 tok |
| amondnet/yoonmoon A Claude Code plugin for Korean AI-written text polishing and detection — polishes AI-gene | 21 | Claude Code | 1 | — |
| abutun/etsy-seo-optimizer AI-powered Etsy shop SEO analysis and optimization skill for Claude Code, Cursor, Codex an | 21 | Claude Code | 1 | 706 tok |
| chefjefff/mckinsey-problem-solving The McKinsey 7-step problem solving framework (from Conn & McLean's Bulletproof Problem So | 21 | Claude Code | 1 | 893 tok |
| kcgdz/mcp-print pypi.org MCP server for professional print & color workflows — 2400+ Pantone colors, CMYK/RGB, ink | 21 | Claude Code | 1 | — |
| bakissation/mcp-google-multi berkati.xyz Multi-account Google MCP server for Claude Code: Gmail, Drive, Calendar, Sheets, Docs, Con | 21 | Claude Code | 1 | 6,159 tok |
| SnailSploit/Burp-MCP-Security-Analysis-Toolkit snailsploit.com Burp MCP Security Analysis Toolkit | 21 | Claude Code | 1 | 1,336 tok |
| playpip/pip-web playpip.io Poker without the casino. Texas Hold'em with friends or against AI. Play money only, no ad | 21 | Claude Code, Codex, OpenCode | 3 | 1,789 tok |