mcp-installer - A MCP Server to install MCP Servers

What is mcp-installer?

It is an MCP server that automatically installs other MCP servers for you. By adding it to Claude, you can ask Claude to install MCP servers hosted on npm or PyPi without manual configuration.

How to use mcp-installer?

Add the server configuration to claude_desktop_config.json using npx and the package @anaisbetts/mcp-installer. Then ask Claude prompts like “Hey Claude, install the MCP server named mcp-server-fetch” to install a server.

Key features of mcp-installer

• Installs MCP servers from npm or PyPi.
• Works through natural language prompts in Claude.
• Supports custom arguments for installed servers.
• Allows setting environment variables during install.
• Automates the manual server setup process.

Use cases of mcp-installer

• Quickly add an npm-hosted MCP server via Claude.
• Install a PyPi-hosted MCP server with specific arguments.
• Install a locally developed MCP server.
• Configure environment variables during server installation.

FAQ from mcp-installer

What dependencies are required?

Requires npx for Node-based servers and uv for Python-based servers to be installed.

How do I install mcp-installer?

Add the configuration entry to claude_desktop_config.json with "command": "npx" and "args": ["@anaisbetts/mcp-installer"].

Can I install servers from sources other than npm or PyPi?

The README only mentions npm and PyPi, but includes an example that installs from a local file path.

How do I pass arguments or environment variables to the installed server?

Specify them in the prompt as a list for arguments and key-value pairs for environment variables, as shown in the examples.

Where is the configuration file located?

On macOS at ~/Library/Application Support/Claude, on Windows at C:\Users\NAME\AppData\Roaming\Claude.