Examples

Sample MCP server (HTTP)

examples/servers/math_server.py:

from fastmcp import FastMCP

mcp = FastMCP("Math")

@mcp.tool()
def add(a: int, b: int) -> int:
    return a + b

@mcp.tool()
def multiply(a: int, b: int) -> int:
    return a * b

if __name__ == "__main__":
    mcp.run(transport="http", host="127.0.0.1", port=8000, path="/mcp")

Run:

python examples/servers/math_server.py

Fancy console trace

examples/use_agent.py prints: - Discovered tools (table) - Each tool call (name + args) - Each tool result - Final LLM answer (panel)

Run:

python examples/use_agent.py