AgentBrew – Portable toolbelt for your AI agents

AgentBrew launched as a centralized Model Context Protocol multiplexer that lets AI developers configure tools once and use them across multiple agents including Claude Code, Gemini CLI, and Cursor. The open-source tool solves fragmentation by acting as a universal hub that supports lazy loading, auto-discovery, and migration from existing configurations. Developers can install, manage, and share tools across agents through a single command-line interface.

The Universal Hub for AI Agents. AgentBrew is a centralized Model Context Protocol MCP multiplexer. It allows you to configure your tools once and use them across all your AI agents Claude Code, Gemini CLI, Cursor, etc. . AI developers today face a fragmentation problem: every agent Claude Code, Gemini CLI, Cursor, etc. has its own way of managing MCP servers, tools, and skills. Setting up your favorite tools in one agent doesn't mean you have them in another. AgentBrew solves this by acting as a Universal "USB Hub" for MCP. You install your tools once in AgentBrew, and all your agents can instantly access that same consistent set of capabilities. If you switch agents, your entire "brew" of tools and skills comes with you. Lazy Loading: Servers only start when a tool is actually called. Auto-Discovery: Automatically detects MCP servers in Node.js, Python, and Markdown projects. Universal Migration: Import your existing configurations from Gemini, Claude Code, and Cursor. Instruction Index: Automatically exposes GEMINI.md and CLAUDE.md files as resources for your agents. Clone and enter the repo git clone https://github.com/patchen0518/AgentBrew.git cd AgentBrew Install and build npm install npm run build Link globally npm link Install a tool from a Git URL agentbrew install <github-url Migrate from Gemini, Claude, or Cursor agentbrew migrate Manually link a local command Internal use or custom scripts List all tools, prompts, and resources agentbrew list Enable/Disable a package agentbrew enable <package-name agentbrew disable <package-name Uninstall a package agentbrew uninstall <package-name Update a specific package or all packages agentbrew update <package-name agentbrew update --all Refresh capability cache required after manual file changes agentbrew refresh Point your AI agent to launch agentbrew as its MCP server. Gemini CLI: gemini mcp add agentbrew agentbrew Claude Code: /plugin add agentbrew agentbrew Cursor: Add a new "command" type MCP server in settings with command agentbrew . For agents that use a configuration file like Claude Desktop or other MCP clients , add AgentBrew to your config JSON: File Paths: Claude Desktop macOS : ~/Library/Application Support/Claude/claude desktop config.json Claude Desktop Windows : %APPDATA%\Claude\claude desktop config.json Configuration: { "mcpServers": { "agentbrew": { "command": "agentbrew" } } } AgentBrew uses an mcp-manifest.json cache in each package directory to enable instant startup. The Router acts as a dynamic proxy, spawning child MCP processes on-demand and routing requests using a prefix name convention. MIT