FastMCP Fundamentals

Your First MCP Server

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LearnStep 1 of 4

Building the Server

Learning Objectives

•Create a working MCP server
•Add tools to your server
•Run and test the server

Lesson Outline

LearnStep 1/4

Building the Server

Creating Your First MCP Server

Complete Example

python

Understanding the Code

FastMCP(name, version): Creates the server with metadata
@mcp.tool: Registers a function as an MCP tool
Type hints: Used to generate JSON schemas automatically
Docstrings: Become the tool description for AI
mcp.run(): Starts the server (default: STDIO transport)