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Introduction: From Theory to Code

From Theory to Code

Time to build your first MCP server

You understand the architecture. You know what tools, resources, and prompts are. Now it is time to write actual code.

20
Lines of TypeScript
12
Lines of Python
1
Working server

What You Will Build

In this section, we will go from zero to a working MCP server. You will choose your language (TypeScript or Python), set up the project, register tools, and connect it to Claude Code.

Set up a new MCP server project from scratch
Register tools with proper schemas and descriptions
Build a practical data reader server with search and statistics
Connect your server to Claude Code via .mcp.json
Test everything with the MCP inspector before going live

Goal

By the end of this section, you will have a functional MCP server running on your machine that Claude can talk to. Let us start coding!

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