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MCP-Host-CLI

by liujilongObject

Development/ToolsNode.jsHTTP APIServer ManagementCLI

MCP-Host-CLI is a Node.js-based Model Context Protocol (MCP) host application for connecting and managing multiple MCP servers. It provides a unified HTTP API to interact with multiple MCP servers, access tools, and resources.

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What is MCP-Host-CLI?

MCP-Host-CLI is a Node.js application that acts as a host for multiple MCP servers. It provides a centralized interface for clients to interact with these servers through HTTP API calls.

How to use MCP-Host-CLI?

  1. Install via npm: npx mcp-host-cli or clone the repository and build locally. 2. Configure MCP servers in mcp_servers.config.json. 3. Run the application. 4. Use the provided HTTP API endpoints to access tools and resources from the connected MCP servers.

Key features of MCP-Host-CLI

  • Connects and manages multiple MCP servers

  • Supports STDIO and SSE transport

  • Provides a unified HTTP API

  • Manages server configurations via JSON file

Use cases of MCP-Host-CLI

  • Testing MCP servers

  • Running MCP servers

  • Centralized management of multiple MCP servers

  • Providing a unified interface for accessing tools and resources

FAQ from MCP-Host-CLI

What is the default port the server runs on?

The server defaults to port 17925.

What is the configuration file name?

The configuration file is named mcp_servers.config.json and should be placed in the current working directory.

What are the environment requirements for STDIO MCP Servers?

Connecting to STDIO MCP servers requires npx or uvx. npx depends on Node.js (>=18), and uvx depends on Python (uv).

How do I update the server connections without restarting the host?

Call the /api/connections/update API endpoint. The Host will then read the configuration file and update the server connections.

What license is MCP-Host-CLI released under?

MCP-Host-CLI is released under the MIT license.