chore: import upstream snapshot with attribution

03-GettingStarted/samples/python/mcp_calculator_server.py

@@ -0,0 +1,43 @@
+#!/usr/bin/env python3
+"""
+Sample MCP Calculator Server implementation in Python.
+
+This module demonstrates how to create a simple MCP server with calculator tools
+that can perform basic arithmetic operations (add, subtract, multiply, divide).
+"""
+
+from mcp.server.fastmcp import FastMCP
+
+# Create a FastMCP server
+mcp = FastMCP("Calculator MCP Server")
+
+@mcp.tool()
+def add(a: float, b: float) -> float:
+    """Add two numbers together and return the result."""
+    return a + b
+
+@mcp.tool()
+def subtract(a: float, b: float) -> float:
+    """Subtract b from a and return the result."""
+    return a - b
+
+@mcp.tool()
+def multiply(a: float, b: float) -> float:
+    """Multiply two numbers together and return the result."""
+    return a * b
+
+@mcp.tool()
+def divide(a: float, b: float) -> float:
+    """
+    Divide a by b and return the result.
+    
+    Raises:
+        ValueError: If b is zero
+    """
+    if b == 0:
+        raise ValueError("Cannot divide by zero")
+    return a / b
+
+if __name__ == "__main__":
+    # Start the server
+    mcp.run()