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metamcp

by metatool-ai·★ 2,328·Score 55

MetaMCP is a unified MCP proxy that aggregates multiple MCP servers into one with middleware support.

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Overview

MetaMCP acts as both an MCP server and proxy, allowing developers to dynamically combine multiple MCP servers into unified endpoints. It provides features like namespace management, middleware support, authentication through API keys or OAuth, and tool customization. The project is actively maintained with Docker support and comprehensive documentation. Its architecture allows for traffic management, rate limiting, and future extensions for tool logging and error tracing.

Try asking AI

After installing, here are 5 things you can ask your AI assistant:

you:Grouping multiple MCP servers into a single namespace with a public endpoint
you:Remixing MCP servers by selecting specific tools for specific use cases
you:Enhanced debugging and inspection of MCP server configurations
you:What MCP versions does MetaMCP support?
you:How does authentication work with MetaMCP?

When to choose this

Choose MetaMCP when you need to manage multiple MCP servers in a unified infrastructure with authentication, tool overrides, and middleware capabilities.

When NOT to choose this

Avoid MetaMCP for simple use cases with just one MCP server or if you require direct tool access without aggregation layer overhead.

Comparable tools

mcp-server-aggregatormcp-hubmcp-router

Installation

Installation

  1. **Docker Compose (Recommended)**:
git clone https://github.com/metatool-ai/metamcp.git
cd metamcp
cp example.env .env
docker compose up -d
  1. **Local Development**:
pnpm install
pnpm dev

Claude Desktop Configuration

Add to claude_desktop_config.json:

{
  "mcpServers": {
    "metamcp": {
      "command": "docker",
      "args": ["run", "--rm", "metatool-ai/metamcp"]
    }
  }
}

FAQ

What MCP versions does MetaMCP support?
MetaMCP supports MCP with Tools, Resources, and Prompts. It has tested OAuth-enabled MCP servers for the 03-26 version.
How does authentication work with MetaMCP?
MetaMCP supports both API-Key authentication (in header or query param) and standard OAuth according to MCP Spec 2025-06-18.

On Hacker News

Recent discussion from the developer community.

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Last updated · Auto-generated from public README + GitHub signals.