Zipcode Search MCP Server

from mcp.server.fastmcp import FastMCP import httpx mcp = FastMCP( name="zipcode-search", description="A Model Context Protocol server for Japanese postal code address lookup" ) @mcp.tool() def search_zipcode(zipcode: str) -> dict: """Search for address by Japanese postal code Args: zipcode: 7-digit postal code (e.g., "1000001") Returns: dict: Address information with "address" key """ try: with httpx.Client() as client: response = client.get(f"https://zipcloud.ibsnet.co.jp/api/search?zipcode={zipcode}") response.raise_for_status() data = response.json() if data.get("results"): result = data["results"][0] address = f"{result['address1']}{result['address2']}{result['address3']}" return {"address": address} return {"address": "Address not found"} except Exception as e: return {"address": f"Error occurred: {str(e)}"} if __name__ == "__main__": mcp.run()