sandbox-fastmcp

⚡ Sandbox for learning the FastMCP framework 🔌

Quick Start

Install

pip install fastmcp

Create a server

# server.py
from fastmcp import FastMCP

mcp = FastMCP("My MCP Server")

@mcp.tool
def letter_counter(text: str, letter: str) -> str:
    """Count how many times a letter appears in the given text."""
    return f"The letter '{letter}' appears {text.count(letter)} times in the text."

if __name__ == "__main__":
    mcp.run()

Run

python server.py

Or with the FastMCP CLI:

fastmcp run server.py:mcp

For HTTP transport:

fastmcp run server.py:mcp --transport http --port 8000

License

MIT