MCP Template

@adamwulf

Repository Homepage

Basic information

About MCP Template

A barebones MCP server implementation in Swift using loopwork-ai's mcp-swift-sdk.

#swift #mcp #cursor #claude

MCP Template config

Add this server to your MCP-compatible client using the configuration below.

{
  "mcpServers": {
    "mcp-template": {
      "command": "npx",
      "args": [
        "@modelcontextprotocol/inspector",
        "<absolute_path_to_your_executable>",
        "run"
      ]
    }
  }
}

MCP Template tools

Tool list not available yet

This listing does not currently have a tool list to display. This does not mean the server has no tools; check its documentation for supported capabilities.

Fetch the live tool list by running this server in a temporary sandbox using the button above.

Overview

What is MCP Template?

MCP Template is a barebones foundation for building Model Context Protocol (MCP) servers using Swift. It demonstrates minimal integration with the mcp-swift-sdk and is intended for macOS applications and command line tools.

How to use MCP Template?

Add the package to your Package.swift dependencies, then import EasyMCP to register tools and start the server. The included command-line executable mcpexample offers a hello command for a basic demo and a run command to start a full MCP server with stdio transport. For debugging, use the MCP Inspector by running npx @modelcontextprotocol/inspector <path_to_executable> run.

Key features of MCP Template

Basic Swift package structure for MCP server projects
Command line "hello world" example tool
Command line stdio transport for MCP interaction via run command
Planned: App Store safe stdio and SSE server support
Simple tool registration with async closures and error handling

Use cases of MCP Template

Starting point for implementing custom MCP servers in Swift
Learning the basics of MCP integration with mcp-swift-sdk
Building command-line tools that communicate via MCP protocol
Prototyping MCP resources and tools for macOS applications
Foundation for debugging MCP implementations with the MCP Inspector

Frequently asked questions

What is the purpose of MCP Template?

It serves as a reference implementation and template that can be forked or cloned to jumpstart your own MCP server development, showing how to use `mcp-swift-sdk` in a minimal way.

What dependencies does MCP Template require?

It requires `swift-argument-parser` 1.3.0+ and a custom fork of `mcp-swift-sdk` (branch "feature/wait-for-complete").

What transport protocols does MCP Template support?

Currently it supports stdio transport for MCP interaction. SSE (Server-Sent Events) support is planned but not yet implemented.

What are the current limitations of MCP Template?

It is a barebones example with only a "hello world" tool; SSE server and App Store safe stdio communication are not yet available. It targets macOS and uses a custom SDK fork.

How can I debug my MCP server built with this template?

Build the executable in Xcode, locate it via Product → Show Build Folder, then run the MCP Inspector with `npx @modelcontextprotocol/inspector <path> run`. Attach the debugger in Xcode to step through breakpoints.

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