Building agents

6,118 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 Code6,606Data and AI3,688Backend and APIs3,494Languages3,401Planning3,209Git and workflow3,151Code review2,736Memory and context2,361Testing2,351DevOps and cloud2,300Writing and docs2,296Research2,295

Any agent Claude CodeCodexOpenCodeGitHub CopilotGemini CLICursorWindsurfKiro

ProjectStarsConfiguresFilesAlways loaded
bendrucker/claude-code-agents-md agents.md Claude Code plugin for AGENTS.md 6 Claude Code 2 241 tok
rjroy/vibe-garden rjroy.github.io Claude Code plugins: Compass Rose (GitHub Projects), Lore Development (project context), N 6 Claude Code, GitHub Copilot 3 1,181 tok
mzored/init-deep AI documentation generator for Claude Code, Cursor, Copilot, Gemini CLI, Codex, Windsurf, 6 Claude Code, Codex, GitHub Copilot, Gemini CLI, OpenCode 4 3,843 tok
LEO001020/codex-loop-orchestra A control loop that turns Codex subagents into a continuously refilled engineering team—wi 6 Claude Code, Codex, OpenCode 1 2,189 tok
GeckoVision/gecko-surf docs.geckovision.tech The knowledge graph for APIs your agent can trust. Maps any API — even messy, paywalled, o 6 Claude Code, Codex, OpenCode 2 538 tok
brainOS-HQ/brain-os brainos-hq.com Local-first MCP memory server for operational project state: decisions, blockers, plans, p 6 Claude Code, Codex, GitHub Copilot, OpenCode 3 4,217 tok
peter-gy/anywidget-mcp peter-gy.github.io 🧩 Turn Python AnyWidgets into interactive, composable MCP Apps 6 Claude Code, Codex, OpenCode 2 2,878 tok
louisbrulenaudet/bodyboard Canonical instructions for coding assistants from a single AGENTS.md ✨ 6 Claude Code, Codex, GitHub Copilot, Gemini CLI, OpenCode 4 3,604 tok
wmt-mobile/localnest wmt-mobile.github.io Local-only MCP server for secure project context retrieval across cloned repositories. 6 Claude Code 10 2,913 tok
neskuchny/sima_atlas tessent.ai Visual contract-first development for AI coding agents — graph of contracts between you an 6 Claude Code, Codex, OpenCode 3 1,827 tok
Traves-Theberge/opencode-mcp MCP server that exposes OpenCode as a tool/subagent for IDEs and AI clients 6 Claude Code, Codex, GitHub Copilot, Cursor, OpenCode 5 1,998 tok
vlad-ryzhkov/ai-context-engineering-for-qa AI Context Engineering for QA 6 Claude Code, Codex, OpenCode 27 1,237 tok
owenob1/prompt-improver Turn vague agent prompts into precise, verifiable XML specs — then execute them. Headless 6 Claude Code, Codex, OpenCode 2 1,923 tok
srbryers/slope SLOPE — Sprint Lifecycle & Operational Performance Engine. Golf-metaphor sprint scoring fo 6 Claude Code, Codex, Cursor, OpenCode 11 4,052 tok
aegntic/cognitive-os aegntic.github.io Cognitive OS v3.0 — Universal AI agent operating system specification. 16-section cognitiv 6 Claude Code, Codex, Cursor, Gemini CLI, OpenCode 4 8,074 tok
233i/agent-skills Production-grade engineering skills for AI coding agents. 6 Claude Code, Codex, OpenCode 2 1,381 tok
morooka-akira/aicm 6 Claude Code, Codex, GitHub Copilot, Gemini CLI, OpenCode 10 9,770 tok
ast-ashulga/as.migrate.c2c Convert Claude Code's cosystem into semantically equivalent Cursor files 6 Claude Code 3 875 tok
GMIG/laborant-skills Laborant is an agent skills that allows you to design and check evaluations for LLM, agent 6 Claude Code, Codex 2
nirelbaz/promptpit Portable AI agent stacks. Collect, install, and share across Claude Code, Cursor, and more 6 Claude Code 10 1,711 tok
leonoronhas/prd-to-skill Turn any PRD into an AI coding assistant instruction file — in one command. 6 Claude Code 1
linhai0872/agno-agent-starter Production-grade AI Agent orchestration scaffold based on Agno + AgentOS. Supports 8 model 6 Claude Code, Codex, OpenCode 2 2,360 tok
rijuvashisht/Magneto landing-fsmpg96k6-rijuvashisht-1233s-projects.vercel.app The modern AI developer's platform - Build Applications bring any agent, any model, any sy 6 Claude Code, GitHub Copilot 5 214 tok
kehoej/contextception Deterministic context intelligence for code 6 Claude Code, Codex, OpenCode 2 1,617 tok
radif-ru/ai-multi-agent-system radif.ru A local multi-agent system running on self-hosted LLMs (Ollama). 3 channels (Telegram/cons 6 Claude Code, Codex, GitHub Copilot, Gemini CLI, OpenCode 16 2,319 tok
KiBiz-Systems/kibuild-mcp Standalone MCP server for Claris FileMaker schema analysis — 32 tools for script navigatio 6 Claude Code 3 964 tok
trustmybot/plugin trustmybot.dev TMB Plugin — Claude Code native multi-agent workflow. Free forever. 6 Claude Code, Gemini CLI 2 1,027 tok
legacybridge-tech/claude-plugins 6 Claude Code 1 351 tok
anjiacm/agent-kit Production-ready Agent Runtime for Claude Code — Dashboard visualization, Team mode, Plugi 6 Claude Code 1 1,832 tok
shiiman/claude-code-plugins 6 Claude Code, Codex, GitHub Copilot, OpenCode 9 4,554 tok
Xakki/ai-agents-skills Claude Code plugin with skills for agentic development — kanban, scheduled autonomous runs 6 Claude Code, Codex, OpenCode 1 733 tok
rafadorado/qrspiv Claude Code plugin — 7-phase structured development: Question → Research → Design → Outlin 6 Claude Code 1 617 tok
killvxk/malskills-zh Offensive security skills plugin for Claude Code - 120 skills for authorized pentesting, C 6 Claude Code, Codex, OpenCode 2 1,216 tok
Vvlladd/qrspi-orchestrator Multi-agent orchestration plugin for Claude Code — 6-phase pipeline with human-in-the-loop 6 Claude Code 1 1,908 tok
timmx7/acheron-mcp-server MCP server bridging context between Claude Chat, Code, and Cowork 6 Claude Code 1 2,957 tok
mahmoudimus/simba mahmoudimus.com Simba - Remember! Remember Who You ARE! A state-of-the-art unified memory + reasoning plug 6 Claude Code 1 1,888 tok
dkships/substack-publisher-mcp publisher-api.substack.com MCP server for Substack's official Publisher API — query posts, analytics, and subscribers 6 Claude Code, Codex, OpenCode 2 1,436 tok
bringfire/rook-release Rook public release: Windows installer, Claude Code plugin, and documentation. 6 Claude Code 9
levi-qiao/sherlock-claude An AI-powered code analysis platform built on [Claude Agent SDK](https://github.com/anthro 6 Claude Code 1 2,041 tok
simonwong/writing-skills writing skills 6 Claude Code, Codex, OpenCode 3 606 tok
utilitydelta/mcp-graph-engine A graph-based memory and reasoning tool for LLMs (MCP) 6 Claude Code 11
pickleton89/cbioportal-mcp A FastMCP server for cBioPortal API with async support for improved performance 6 Claude Code 1 2,195 tok
gabrielekarra/openclaw-mcp-bridge 6 Claude Code 1 894 tok
weppa-cloud/material3-mcp-server MCP server for Material 3 design system - provides AI agents with access to components, de 6 Claude Code 6
glassBead-tc/widescreen-research bidirectional MCP server orchestrating an army of research drones on Cloud Run in GCP 6 Claude Code 42 2,046 tok
Graph-tl/graph Agent-native persistent task graph. MCP server for agent planning and execution across ses 6 Claude Code 3 1,011 tok
chadru/assessor-lookup-public API-first county assessor record lookup, MLS discrepancy checks, and a local MCP server fo 6 Claude Code, Codex, OpenCode 9 7,714 tok
TCoder920/open-legal-compliance-mcp Model Context Protocol server for legal compliance analysis using free/open government API 6 Claude Code, Cursor 4
guardianer9-debug/cst-studio-orchestrator-mcp Unified MCP automation layer for CST Studio Suite antennas, RF/EM, PCB/SI, schematics, and 6 Claude Code 1 1,414 tok
ArieGoldkin/claude-forge Claude Forge — a suite of domain-agnostic Claude Code plugins sharing hook infrastructure 6 Claude Code 1 13,964 tok