5,330 projects whose own agent configuration covers building agents. These are not mods to install — they are how the maintainers of these repositories tell an agent what to do, and what to avoid.
All projects Claude Code6,881Git and workflow3,605Data and AI3,580Backend and APIs3,556Languages3,486Planning3,323Code review2,893Testing2,681Writing and docs2,477DevOps and cloud2,477Memory and context2,375Research2,318
Any agent Claude CodeCodexOpenCodeGitHub CopilotGemini CLICursorWindsurfKiro
| Project | Stars | Configures | Files | Always loaded |
|---|---|---|---|---|
| Blazity/nextjs-migration-plugin Pixel-perfect, multi-page Next.js migration via phased, stateful Claude Code agents. | 2 | Claude Code, Codex, OpenCode | 17 | 1,810 tok |
| Simon-Hwang/gg-plugins a minimal version made from everything-claude-code for go/python project | 2 | Claude Code, Codex, OpenCode | 4 | 790 tok |
| bgreenwell/claude-forge CLI tool for scaffolding and managing Claude Code marketplaces and plugins | 2 | Codex, OpenCode | 1 | 570 tok |
| drag88/claude-dev-framework Development framework for building Claude Code plugins, agents, and skills | 2 | Claude Code, Codex, OpenCode | 2 | 2,521 tok |
| semaphor-analytics/agent-plugin Semaphor agent plugin for building governed React data apps with Codex and Claude Code | 2 | Codex, OpenCode | 1 | 417 tok |
| HiAgencia/hi-claude The first thing you should say to Claude in every new project - best practices plugin for | 2 | Claude Code, Codex, OpenCode | 1 | 1,629 tok |
| ToshikiImagawa/unity-claude-code-tools Claude Code plugin for Unity development - automated build validation and test execution a | 2 | Claude Code, Codex, OpenCode | 2 | 4,524 tok |
| devs-30/skill-gate A Claude Code plugin that gates selected skills behind a confirmation prompt. | 2 | Claude Code, Codex, OpenCode | 2 | 521 tok |
| andyrids/icm-spec Claude Code plugin for spec-driven development alongside Interpretable Context Methodology | 2 | Claude Code, Codex, OpenCode | 2 | 833 tok |
| Im-Hal-9K/capacities-mcp Capacities×MCP | 2 | Claude Code, Codex, OpenCode | 4 | 1,660 tok |
| cameronsjo/mouse-mcp MCP server providing Disney parks data to Claude - attractions, dining, height requirement | 2 | Codex, OpenCode | 1 | 155 tok |
| duvoai/cua-mcp-server Agentic MCP server for CUA Cloud - delegate desktop automation tasks to autonomous vision- | 2 | Claude Code, Codex, OpenCode | 3 | 3,466 tok |
| mdemyanov/gramax-docportal-mcp MCP server for Gramax documentation portal — search, read articles, browse catalogs | 2 | Claude Code, Codex, OpenCode | 2 | 1,879 tok |
| paulieb89/uk-property-mcp | 2 | Claude Code, Codex, OpenCode | 5 | 1,272 tok |
| bojanrajkovic/mcp-paprika | 2 | Claude Code, Codex, OpenCode | 4 | 2,918 tok |
| Tehnolabs/pixelforge-mcp AI-powered image generation, editing, and analysis MCP server using Google's Gemini models | 2 | Claude Code, Codex, OpenCode | 2 | 4,372 tok |
| sandraschi/plexmcp Talk to your Plex library from Claude — FastMCP server + Tauri desktop app + web UI for br | 2 | Claude Code, Codex, Cursor, OpenCode | 6 | 2,715 tok |
| sorryorc/mcp-codex-worker sorryorc.github.io Make Codex stop eating giant diffs: delegate heavy Claude Code loops to cheap gateways and | 2 | Claude Code, Codex, OpenCode | 16 | 389 tok |
| draekien-industries/membank Memory for your LLM | 2 | Claude Code, Codex, OpenCode | 7 | 2,057 tok |
| Cloud-Temple/mcp-tools Serveur MCP — Bibliothèque centrale d'outils exécutables pour agents IA Cloud Temple | 2 | Claude Code, Codex, OpenCode | 2 | 279 tok |
| elephant-xyz/elephant-mcp elephant-mcp-two.vercel.app | 2 | Codex, Cursor, OpenCode | 2 | 1,807 tok |
| Wulnut/lark_agent feishu project api mcp and agent. | 2 | Claude Code, Codex, OpenCode | 12 | 3,387 tok |
| 0xEkho/Ruckus-vSZ-MCP RUCKUS vSZ MCP | 2 | Claude Code, Codex, GitHub Copilot, OpenCode | 6 | 2,782 tok |
| comicchang/iitc-mcp IITC MCP Bridge — bridge between Ingress Intel (IITC) and Model Context Protocol agents | 2 | Claude Code, Codex, Gemini CLI, OpenCode | 3 | 674 tok |
| Lermont/yamcp MCP for working with Yandex Direct | 2 | Codex, OpenCode | 1 | 2,469 tok |
| colinds/forkable-mcp Unofficial MCP server for Forkable | 2 | Codex, OpenCode | 1 | 4,139 tok |
| jrb00013/mailnotmilk Shared agent mailbox MCP — Cursor, Claude Code, and friends post/read/reply across session | 2 | Claude Code, Codex, Gemini CLI, OpenCode | 5 | 342 tok |
| duncanmcclean/freeagent-mcp Local, read-only MCP server for FreeAgent. Built on Laravel. | 2 | Claude Code, Codex, OpenCode | 7 | 4,092 tok |
| dataelement/dsh-plugin-coaligne coaligne.com CoAligne for DeepSeek Harness: shared team project context over MCP, plus the coaligne-wor | 2 | Codex, OpenCode | 8 | 278 tok |
| Huleinpylo/kali-agents-mcp | 2 | Claude Code, Codex, OpenCode | 9 | 3,290 tok |
| cyanheads/openfec-mcp-server npmjs.com Access FEC campaign finance data on candidates, money trails, and election filings via MCP | 2 | Claude Code, Codex, OpenCode | 2 | 16,662 tok |
| chaunsin/agent-skills Some practical agent skills for AI coding agents (Claude Code, Cursor, Copilot, Codex, etc | 2 | Claude Code, Codex, OpenCode | 2 | 1,002 tok |
| gabrielrojasnyc/anatomy-of-a-knowledge-base Runnable teaching implementation of the Cerebras knowledge-base architecture: one embeddin | 2 | Claude Code, Codex, OpenCode | 2 | 1,176 tok |
| cyanheads/smithsonian-mcp-server npmjs.com Search 14.5M Smithsonian Open Access objects across 20+ museums via MCP, and retrieve CC0 | 2 | Claude Code, Codex, OpenCode | 2 | 17,600 tok |
| ilteoood/harness | 2 | Claude Code, Codex, OpenCode | 2 | 1,256 tok |
| Wolfe-Jam/mcp-better AAIF-verified modern MCP setup optimised to 2026-07-28 (BETTER textbook). Rust · rmcp 3.0 | 2 | Codex, OpenCode | 1 | 794 tok |
| chrischall/resy-mcp | 2 | Claude Code, Codex, OpenCode | 2 | 5,269 tok |
| cyanheads/epa-mcp-server npmjs.com Access EPA environmental data — facility compliance (ECHO), toxic releases (TRI), Superfun | 2 | Claude Code, Codex, OpenCode | 2 | 15,902 tok |
| cyanheads/fema-mcp-server npmjs.com Query FEMA disaster declarations, public assistance grants, housing aid, and NFIP flood in | 2 | Claude Code, Codex, OpenCode | 2 | 14,662 tok |
| linxule/durable-thinking Persistent Sequential Thinking MCP server on Cloudflare Workers + Durable Objects — though | 2 | Claude Code, Codex, OpenCode | 2 | 892 tok |
| sandraschi/overte-mcp Overte (classic Vircadia-lineage) MCP server + dashboard for domain admin and entity orche | 2 | Claude Code, Codex, Cursor, OpenCode, Windsurf | 4 | 1,180 tok |
| vantioai/vantio-open-core vantio.ai Vantio Optics open core: free, local-first observe-only visibility into AI agent egress (C | 2 | Codex, OpenCode | 1 | 2,437 tok |
| SenMuShare/senmu-buildos AI-native BuildOS for Codex, Claude Code, Doubao, WorkBuddy and ZCode: product discovery, | 2 | Codex, OpenCode | 1 | 488 tok |
| grobinson3108/mcp-server-saas-gateway One MCP server, N REST APIs. TypeScript template for building gateway-style MCP servers th | 2 | Codex, OpenCode | 1 | 329 tok |
| Hoja-Solutions/agent-stdlib A standard library for building agents. | 2 | Claude Code, Codex, OpenCode | 1 | 969 tok |
| equinor/fusion-skills Fusion repo for agent skills | 2 | Claude Code, Codex, GitHub Copilot, OpenCode | 11 | 5,529 tok |
| Fandhe-AI/agent-cli-skills | 2 | Claude Code, Codex, OpenCode | 10 | 15,820 tok |
| gzb1128/opencode-plugin A CLI tool that brings the Claude Code plugin marketplace ecosystem to OpenCode — install, | 2 | Codex, OpenCode | 1 | 1,775 tok |
| ventusff/claude-model-guard 🚨 Claude Code statusline plugin that catches silent model downgrades — theme-proof full-w | 2 | Claude Code, Codex, OpenCode | 2 | 2,167 tok |
| raravel/Agent4Discord Remote Claude Code sessions through Discord — self-hosted bot with streaming, permissions, | 2 | Claude Code, Codex, OpenCode | 2 | 195 tok |