package main  import (     "fmt"     mcp_golang "github.com/metoro-io/mcp-golang"     "github.com/metoro-io/mcp-golang/transport/stdio"     "io"     "net/http" )  type WeatherArguments struct {     Longitude float64 `json:"longitude" jsonschema:"required,description=The longitude of the location to get the weather for"`     Latitude  float64 `json:"latitude" jsonschema:"required,description=The latitude of the location to get the weather for"` }  // This is explained in the docs at https://mcpgolang.com/tools func main() {     done := make(chan struct{})     server := mcp_golang.NewServer(stdio.NewStdioServerTransport())     err := server.RegisterTool("get_weather", "Get the weather forecast for temperature, wind speed and relative humidity", func(arguments WeatherArguments) (*mcp_golang.ToolResponse, error) {         url := fmt.Sprintf("https://api.open-meteo.com/v1/forecast?latitude=%f&longitude=%f&current=temperature_2m,wind_speed_10m&hourly=temperature_2m,relative_humidity_2m,wind_speed_10m", arguments.Latitude, arguments.Longitude)         resp, err := http.Get(url)         if err != nil {             return nil, err         }         defer resp.Body.Close()         output, err := io.ReadAll(resp.Body)         if err != nil {             return nil, err         }         return mcp_golang.NewToolReponse(mcp_golang.NewTextContent(string(output))), nil     })     err = server.Serve()     if err != nil {         panic(err)     }     <-done }