Python Mcp Server Sample

What is Python Mcp Server Sample?

Python Mcp Server Sample is a minimal example MCP server built using the FastMCP class from the MCP Python SDK. It demonstrates how to create a simple tool (adding two integers) and run the server over the stdio transport. The project is intended for developers learning to build and register MCP servers with clients like Cline.

How to use Python Mcp Server Sample?

Install uv, then create a new Python project with uv init mcp-server-demo, install the MCP CLI SDK (uv add "mcp[cli]"), and write the provided server code in server.py. To run, use the command uv run server.py from the project directory, or register the server in Cline’s MCP configuration by specifying the uv command with the --directory and run arguments.

Key features of Python Mcp Server Sample

• Built with FastMCP for quick server setup.
• Includes a single add tool that sums two integers.
• Runs with debug mode enabled for development.
• Uses stdio transport for local communication.
• Designed for integration with the Cline MCP client.

Use cases of Python Mcp Server Sample

• Learning how to structure a basic MCP server with Python.
• Testing MCP tool registration and execution in Cline.
• Prototyping simple computational tools for AI assistants.

FAQ from Python Mcp Server Sample

What is FastMCP?

FastMCP is a simplified API from the MCP Python SDK that allows creating an MCP server with minimal boilerplate, using decorators to define tools.

How do I install the required dependencies?

Use uv add "mcp[cli]" after initializing the project with uv init. The [cli] extra includes the MCP command‑line interface.

Which transport does the server use?

The server runs in stdio transport mode by calling mcp.run(transport="stdio").

Where do I configure the server for Cline?

Edit the Cline project’s MCP JSON file (e.g., .vscode/mcp.json) and add an entry under mcpServers with the command uv and arguments pointing to the project directory and server.py.

What tools does this server provide?

It provides one tool named add that takes two integers a and b and returns their sum.