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MCP Academy · Lesson

Confirm It Loads & Lists Tools

Check that your tool shows up and is callable.

Does It Actually Work?

Your server runs, but how do you know it's healthy? Let's verify that it loads and that your tool shows up where clients can see it. 🔍

The Dev Command

The SDK ships a helper for this. Running mcp dev on your file launches the server with a visual inspector attached.

uv run mcp dev server.py

All lessons in this course

  1. Create a FastMCP Instance
  2. Add a Hello Tool
  3. Run the Server with stdio
  4. Confirm It Loads & Lists Tools
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