Exercise: Implement an MCP Tool

Rodrigo Girão Serrão
Connecting LLMs to Your Data With Python MCP Servers Rodrigo Girão Serrão 08:00
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elad on Aug. 2, 2026

Hi, I’ve tried to run your example code but it fails importing.

from mcp.server.fastmcp import FastMCP
ModuleNotFoundError: No module named 'mcp.server.fastmcp'
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Bartosz Zaczyński RP Team on Aug. 2, 2026

@elad If the Python interpreter can’t find the FastMCP library, then it’s most likely because it’s not the right interpreter you’re running. Have you created a virtual environment but forgot to activate it?

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