curl --request POST \
     --url https://yoursite.com/mcp/my-weather-tools \
     --header 'content-type: application/json' \
     --header 'Mcp-Session-Id: your_session_id' \
     --data '
{
  "jsonrpc": "2.0",
  "id": 4,
  "method": "tools/call",
  "params": {
    "name": "get_weather",
    "arguments": {
      "city": "London"
    }
}
}
'

curl --request POST \
     --url https://yoursite.com/mcp/stripe-payments \
     --header 'content-type: application/json' \
     --header 'Mcp-Session-Id: your_session_id' \
     --data '
{
  "jsonrpc": "2.0",
  "id": 5,
  "method": "tools/call",
  "params": {
    "name": "create_customer",
    "arguments": {
      "email": "[email protected]",
      "name": "Jane Smith"
    }
}
}
'

package main

import (
	"fmt"
	"io"
	"net/http"
	"strings"
)

func main() {
	body := strings.NewReader(`{
  "jsonrpc": "2.0",
  "id": 4,
  "method": "tools/call",
  "params": {
    "name": "get_weather",
    "arguments": {
      "city": "London"
    }
}
}`)

	req, _ := http.NewRequest("POST", "https://yoursite.com/mcp/my-weather-tools", body)
	req.Header.Set("Content-Type", "application/json")

	client := &http.Client{}
	resp, _ := client.Do(req)
	defer resp.Body.Close()
	data, _ := io.ReadAll(resp.Body)
	fmt.Println(string(data))
}

import java.net.URI;
import java.net.http.HttpClient;
import java.net.http.HttpRequest;
import java.net.http.HttpResponse;

public class Main {
    public static void main(String[] args) throws Exception {
        String json = "{\n  \"jsonrpc\": \"2.0\",\n  \"id\": 4,\n  \"method\": \"tools/call\",\n  \"params\": {\n    \"name\": \"get_weather\",\n    \"arguments\": {\n      \"city\": \"London\"\n    }\n}\n}";

        HttpRequest request = HttpRequest.newBuilder()
            .uri(URI.create("https://yoursite.com/mcp/my-weather-tools"))
            .header("Content-Type", "application/json")
            .POST(HttpRequest.BodyPublishers.ofString(json))
            .build();

        HttpClient client = HttpClient.newHttpClient();
        HttpResponse<String> response = client.send(request, HttpResponse.BodyHandlers.ofString());
        System.out.println(response.body());
    }
}

require 'net/http'
require 'json'
require 'uri'

uri = URI('https://yoursite.com/mcp/my-weather-tools')
http = Net::HTTP.new(uri.host, uri.port)
http.use_ssl = uri.scheme == 'https'

request = Net::HTTP::Post.new(uri)
request['Content-Type'] = 'application/json'
request.body = '{
  "jsonrpc": "2.0",
  "id": 4,
  "method": "tools/call",
  "params": {
    "name": "get_weather",
    "arguments": {
      "city": "London"
    }
}
}'

response = http.request(request)
puts JSON.parse(response.body)

{
  "jsonrpc": "2.0",
  "id": 4,
  "result": {
    "content": [
      {
        "type": "text",
        "text": "{\"current_condition\":[{\"temp_C\":\"12\",\"temp_F\":\"54\",\"weatherDesc\":[{\"value\":\"Partly cloudy\"}],\"humidity\":\"72\",\"windspeedKmph\":\"15\"}]}"
      }
    ]
  }
}

{
  "jsonrpc": "2.0",
  "id": 5,
  "result": {
    "content": [
      {
        "type": "text",
        "text": "{\"id\":\"cus_abc123\",\"object\":\"customer\",\"email\":\"[email protected]\",\"name\":\"Jane Smith\",\"created\":1710755200}"
      }
    ]
  }
}

{
  "jsonrpc": "2.0",
  "id": 4,
  "result": {
    "content": [
      {
        "type": "text",
        "text": "Error: Upstream API returned 404 - City not found"
      }
    ],
    "isError": true
  }
}

{
  "jsonrpc": "2.0",
  "id": 4,
  "error": {
    "code": -32601,
    "message": "Method not found: tools/call"
  }
}