1,769 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 agents8,442Claude Code6,875Data and AI3,584Git and workflow3,574Backend and APIs3,550Languages3,468Planning3,315Code review2,876Testing2,653DevOps and cloud2,462Writing and docs2,461Memory and context2,373Research2,315Frontend2,301Security2,167Project management1,944
All Claude Code32,436 Codex24,692 OpenCode23,614 GitHub Copilot3,700 Gemini CLI2,016 Cursor1,769 Windsurf202 Kiro113
| Project | Stars | Configures | Files | Always loaded |
|---|---|---|---|---|
| kazuph/mcp-screenshot Repository for MCP screenshot functionality | 23 | Cursor | 1 | 26,805 tok |
| fleXRPL/cursor-rules-dynamic A powerful VSCode extension for dynamic management and analysis of .cursorrules files in C | 23 | Cursor | 1 | 1,066 tok |
| lelele-cloud/ai-comic-drama One-click AI-generated animated dramas | 23 | Claude Code, Codex, Cursor, OpenCode | 4 | 143 tok |
| AgentSystemLabs/launch-pad | 23 | Claude Code, Cursor | 3 | 8,258 tok |
| ertra/pm-brain-for-cursor AI for Product Managers | 23 | Claude Code, Codex, Cursor, OpenCode | 18 | 1,590 tok |
| sandraschi/ocr-mcp FastMCP server providing advanced OCR capabilities with current state-of-the-art models (D | 23 | Claude Code, Codex, GitHub Copilot, Cursor, OpenCode, Windsurf | 8 | 822 tok |
| smekai/taskplanner | 23 | Claude Code, Codex, Cursor, OpenCode | 4 | 4,696 tok |
| Hereon-InstituteMS/OASiS OASiS — an open-source agentic framework for verified multi-physics, multi-code simulation | 23 | GitHub Copilot, Cursor | 2 | 1,572 tok |
| marcusquinn/amazon-order-history-csv-download-mcp Download Amazon Order History As Orders & Items CSV files, plus simplified CSV file versio | 23 | Claude Code, Codex, Cursor, OpenCode, Windsurf | 5 | 1,353 tok |
| archmaxai/archmax archmax.ai A semantic layer for your data: archmax describes it, you sharpen it, agents query it. | 22 | Claude Code, Codex, Cursor, OpenCode | 10 | 1,013 tok |
| MercurieVV/ScalaSemantic mercurievv.github.io MCP server for deep semantic analysis of Scala via SemanticDB — exact find-usages, class h | 22 | Claude Code, Codex, Cursor, OpenCode | 16 | 2,627 tok |
| hev/vibecheck vibescheck.io Fast and intuitive evals on any LLM | 22 | Claude Code, Cursor | 2 | 3 tok |
| JBorgia/signaltree A powerful, type-safe, modular signal-based state management solution for Angular applicat | 22 | Codex, GitHub Copilot, Cursor, OpenCode | 6 | 12,445 tok |
| conradkoh/raggrep Local semantic search and retrieval | 22 | Claude Code, Codex, Cursor, OpenCode | 4 | 2,202 tok |
| gemvc/gemvc gemvc.de A lightweight, server-agnostic PHP framework (Swoole/Nginx/Apache) designed for building h | 22 | Cursor | 2 | 1,588 tok |
| rqzrqh/matchengine_rust A simple memory-matchengine written in rust. | 22 | Cursor | 1 | — |
| carlrannaberg/cclint Linter for Claude Code project files | 22 | Claude Code, Codex, GitHub Copilot, Cursor, Gemini CLI, OpenCode | 18 | 4,110 tok |
| Kabi10/cursor-rules npmjs.com Detect your stack and auto-generate AI editor rules - AGENTS.md (Cursor, Copilot, Codex, C | 22 | Cursor | 1 | 396 tok |
| Horosheff/aura-designer | 22 | Claude Code, Cursor | 4 | — |
| cpuguy96/StepCOVNet Deep Learning to Create StepMania SM FIles | 22 | Claude Code, Codex, Cursor, OpenCode | 12 | 1,611 tok |
| heymegabyte/claude-skills claude.megabyte.space 14-category autonomous product-building OS for 32+ AI coding tools. One-line prompts → dep | 22 | Claude Code, Codex, GitHub Copilot, Cursor, Gemini CLI, OpenCode, Windsurf | 7 | 4,490 tok |
| Horosheff/excalibur-blog-cloud-public A Cursor automation plugin for blogging: an SEO/GEO pipeline using subagents, visuals, QA, | 22 | Claude Code, Codex, Cursor, OpenCode | 24 | 1,751 tok |
| star-ga/mind-mem mindlang.dev Persistent AI memory for Claude Code, OpenClaw, and any MCP-compatible agent. BM25F + vect | 22 | Claude Code, Codex, GitHub Copilot, Cursor, OpenCode, Windsurf | 6 | 5,997 tok |
| TexasFortress-AI/rs_filesystem MCP Filesystem tools written in Rust | 22 | Cursor | 1 | 560 tok |
| Clarity-Digital-Twin/brain-go-brrr A brain-computer interface project focused on EEG signal processing and neural representat | 21 | Claude Code, Codex, Cursor, OpenCode | 3 | 17,809 tok |
| ilang-ai/Mem-Forever ilang.ai Every AI tool forgets you after every session. This repo doesn't. Ever. Zero install, zero | 21 | Claude Code, Codex, GitHub Copilot, Cursor, Gemini CLI, OpenCode | 5 | 18,215 tok |
| taazkareem/twitter-mcp-server A repository for the Twitter MCP server | 21 | Cursor | 1 | 176 tok |
| sordi-ai/skill-everything Git-versioned agent memory: agents that never make the same mistake twice. Anthropic-Skill | 21 | Claude Code, Codex, Cursor, Gemini CLI, OpenCode | 4 | 4,060 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 |
| 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 |
| 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 |
| shipkit-io/bones bones.sh Shipkit (bones), a starter kit for building React/Next.js sites fast. | 21 | Claude Code, Codex, Cursor, Gemini CLI, OpenCode | 4 | 6,569 tok |
| mahmoudilyan/marmoui marmoui.com The AI agentic designer — open-source React design system + MCP that lets Claude, Codex, C | 20 | Claude Code, Codex, Cursor, OpenCode | 3 | 3,396 tok |
| 1EchA/context-sync-mcp Cross-device context sync for coding agents via MCP + Git | | 20 | Cursor | 1 | 184 tok |
| R44VC0RP/cursor.link cursor.link gists but for cursor rules, easy to share | 20 | Claude Code, Cursor | 1 | — |
| chuanmingliu/mcp-webresearch MCP web research server (give Claude real-time info from the web) | 20 | Cursor | 1 | 62 tok |
| hereisSwapnil/memwiki A persistent memory protocol for AI coding agents that gives projects a shared, markdown b | 20 | Claude Code, Codex, GitHub Copilot, Cursor, OpenCode | 4 | 680 tok |
| SkeneTechnologies/plg-skills | 20 | Codex, GitHub Copilot, Cursor, OpenCode | 3 | 596 tok |
| grafana/grafana-cube-datasource grafana.com A Grafana data source plugin that brings semantic layer analytics via Cube. Define metrics | 20 | Codex, Cursor, OpenCode | 2 | 997 tok |
| ashlrai/phantom-secrets phm.dev Stop AI coding agents from leaking your API keys. Local proxy + MCP that swaps real secret | 20 | Claude Code, Codex, GitHub Copilot, Cursor, OpenCode | 4 | 7,546 tok |
| fall-out-bug/sdp Structured protocol for AI-assisted development. Discovery → Delivery → Evidence. | 19 | Claude Code, Codex, Cursor, OpenCode | 7 | 1,314 tok |
| turlockmike/chess-mcp A MCP Server with various chess functionality | 19 | Cursor | 1 | 75 tok |
| mustel-py/mustel mustel.vercel.app Non-AI static analysis layer for AI coding agents - Ruff, Bandit & pip-audit unified into | 19 | Cursor, Windsurf | 2 | 158 tok |
| DangQuangSE/team-development-skills | 19 | Claude Code, Codex, Cursor | 76 | — |
| vibeforge1111/xmcp the most comprehensive mcp for X | 19 | Claude Code, Cursor | 2 | 1,896 tok |
| gmf520/openspec-agents A state-machine-based multi-agent collaborative development framework. Driven by a main or | 19 | Claude Code, Codex, Cursor | 40 | — |
| aixiaoxiang/xx-skills Use AI Agents effectively to turn ideas into launched products — for beginners, with 16 sk | 19 | Claude Code, Codex, Cursor, OpenCode | 3 | 2,921 tok |
| paulasilvatech/specky getspecky.ai Agentic Spec-Driven Development — 13 agents, 58 MCP tools, 10-phase enforced pipeline. Fro | 19 | Claude Code, Cursor | 27 | — |
| thecombatwombat/replicant-mcp Android MCP server - production-grade, token-optimized, accessibility-first | 19 | Claude Code, Codex, Cursor, OpenCode | 12 | 527 tok |
| asasugar/SuperSpec asasugar.github.io Spec-driven development (SDD) for AI-powered coding assistants | 19 | Claude Code, Codex, Cursor, OpenCode | 20 | 2,431 tok |