Overview

MCPHost

Description: CLI host application enabling LLMs to interact with external tools through standardized protocols

Overview: MCPHost is a Go-based CLI application that serves as a host in client-server architecture, managing connections between Large Language Models (Claude 3.5 Sonnet and Ollama models) and external tools.

Category: Developer Tools / LLM Integration

Key Features:

• Interactive conversations with Claude 3.5 Sonnet or Ollama models
• Multiple concurrent server support
• Dynamic tool discovery
• Configurable message history
• Unified command interface

Requirements:

• Go 1.23+
• Anthropic API key (for Claude)
• Ollama installation (for local models)

Installation:

go install github.com/mark3labs/mcphost@latest

Configuration Example:

{
  "mcpServers": {
    "sqlite": {
      "command": "uvx",
      "args": ["mcp-server-sqlite", "--db-path", "/tmp/foo.db"]
    },
    "filesystem": {
      "command": "npx",
      "args": ["-y", "@modelcontextprotocol/server-filesystem", "/tmp"]
    }
  }
}

Usage Commands:

• Model selection: mcphost -m [provider:model]
• Interactive commands:
  • /help - Show available commands
  • /tools - List available tools
  • /servers - List configured servers
  • /history - Display conversation history
  • /quit - Exit application

Supported Models:

• Claude 3.5 Sonnet (default)
• OpenAI GPT-4
• Ollama-compatible models

The application automatically creates a configuration file at ~/.mcp.json if none exists, and supports custom configuration paths via the --config flag.