UTCP MCP

A universal, all-in-one MCP server that brings the full power of the Universal Tool Calling Protocol (UTCP) to the MCP ecosystem. No installation required - works via npx.

What is UTCP?

The Universal Tool Calling Protocol (UTCP) allows you to:

• Connect to any API via HTTP, OpenAPI specs, or custom formats
• Use command-line tools with automatic argument parsing
• Process text and files with built-in utilities
• Chain and combine multiple tools seamlessly

With this MCP bridge, all your UTCP tools become available in Claude Desktop and other MCP clients.

Features

• ✅ Zero installation - Works via npx
• ✅ Universal compatibility - Works with any MCP client
• ✅ Dynamic configuration - Update tools without restarting
• ✅ Environment isolation - Each project can have its own config
• ✅ Comprehensive tool management - Register, search, call, and inspect tools
• ✅ Web interface available - Includes web UI for advanced management

Configuration

Create a .utcp_config.json file to configure your tools and services:

{
    "load_variables_from": [
      {
        "variable_loader_type": "dotenv",
        "env_file_path": ".env"
      }
    ],
    "manual_call_templates": [
      {
          "name": "openlibrary",
          "call_template_type": "http",
          "http_method": "GET", 
          "url": "https://openlibrary.org/static/openapi.json",
          "content_type": "application/json"
      }
    ],
    "post_processing": [
      {
          "tool_post_processor_type": "filter_dict",
          "only_include_keys": ["name", "description"],
          "only_include_tools": ["openlibrary.*"]
      }
    ],
    "tool_repository": {
      "tool_repository_type": "in_memory"
    },
    "tool_search_strategy": {
      "tool_search_strategy_type": "tag_and_description_word_match"
    }
}

Available Tools

The bridge exposes these MCP tools for managing your UTCP ecosystem:

• register_manual - Register new UTCP manuals/APIs
• deregister_manual - Remove registered manuals
• call_tool - Execute any registered UTCP tool
• search_tools - Find tools by description
• list_tools - List all registered tool names
• get_required_keys_for_tool - Get required environment variables
• tool_info - Get complete tool information and schema