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MCP Tool Server (

@planetf1

Repository

Basic information

Category

Other

Transports

stdio

Author

planetf1

About MCP Tool Server (

Simple mcp server for testing

MCP Tool Server ( config

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

{
  "mcpServers": {
    "mcp-server-planetf1": {
      "command": "python",
      "args": [
        "mcp_server.py",
        "[tools_paths...]",
        "[--log",
        "FILENAME]",
        "[--transport",
        "{stdio,sse}]",
        "[--port",
        "PORT]"
      ]
    }
  }
}

MCP Tool Server ( 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.

We auto-extract tools from the README. The maintainer can list them under a ## Tools heading to populate this section.

Overview

What is MCP Tool Server?

MCP Tool Server is an asynchronous Python server that exposes Python functions as "tools" over stdio or SSE transports using the FastMCP framework. It is intended for developers who want to make custom Python functions callable via the Model Context Protocol.

How to use MCP Tool Server?

Run python mcp_server.py with optional positional paths to tool files or directories, plus flags like --log FILENAME, --transport {stdio,sse}, and --port PORT. With no arguments, only the built-in echo and health tools are available.

Key features of MCP Tool Server

  • Supports stdio and SSE transports
  • Built-in echo and health tools
  • Dynamically loads custom tools from Python files or directories
  • Configurable console and file-based logging
  • Asynchronous design for concurrent operations

Use cases of MCP Tool Server

  • Expose a calculator function as a callable tool for an MCP client
  • Serve a collection of data‑processing utilities from a folder of Python files
  • Enable web clients to subscribe to tool outputs via SSE
  • Debug tool behavior with verbose file logging

Frequently asked questions

1

What transports does MCP Tool Server support?

It supports stdio (standard input/output) and SSE (Server-Sent Events, listens on `http://<host>:<port>/sse`). The default transport is stdio.

2

How do I add custom tools?

Provide paths to Python files or directories containing Python files as positional arguments. Each file must define exactly one function, which becomes a tool. Files starting with `_` are ignored.

3

What are the built-in tools?

The built-in tools are `echo` (returns its parameters) and `health` (returns "ready").

4

How do I enable detailed logging?

Use the `--log FILENAME` option. This writes DEBUG‑level logs for both the server and the MCP SDK to the specified file, while INFO‑level messages still appear on the console.

5

How do I shut down the server gracefully?

Press `Ctrl+C` to shut down the server.

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