curl --request POST \
  --url http://localhost:7700/mcp \
  --header 'Content-Type: application/json' \
  --data '
{
  "jsonrpc": "<string>",
  "id": 123,
  "method": "<string>",
  "params": {
    "_meta": {
      "io.modelcontextprotocol/protocolVersion": "<string>",
      "io.modelcontextprotocol/clientInfo": "<unknown>",
      "io.modelcontextprotocol/clientCapabilities": "<unknown>"
    },
    "name": "<string>",
    "arguments": "<unknown>"
  }
}
'

import requests

url = "http://localhost:7700/mcp"

payload = {
    "jsonrpc": "<string>",
    "id": 123,
    "method": "<string>",
    "params": {
        "_meta": {
            "io.modelcontextprotocol/protocolVersion": "<string>",
            "io.modelcontextprotocol/clientInfo": "<unknown>",
            "io.modelcontextprotocol/clientCapabilities": "<unknown>"
        },
        "name": "<string>",
        "arguments": "<unknown>"
    }
}
headers = {"Content-Type": "application/json"}

response = requests.post(url, json=payload, headers=headers)

print(response.text)

const options = {
  method: 'POST',
  headers: {'Content-Type': 'application/json'},
  body: JSON.stringify({
    jsonrpc: '<string>',
    id: 123,
    method: '<string>',
    params: {
      _meta: {
        'io.modelcontextprotocol/protocolVersion': '<string>',
        'io.modelcontextprotocol/clientInfo': '<unknown>',
        'io.modelcontextprotocol/clientCapabilities': '<unknown>'
      },
      name: '<string>',
      arguments: '<unknown>'
    }
  })
};

fetch('http://localhost:7700/mcp', options)
  .then(res => res.json())
  .then(res => console.log(res))
  .catch(err => console.error(err));

<?php

$curl = curl_init();

curl_setopt_array($curl, [
  CURLOPT_PORT => "7700",
  CURLOPT_URL => "http://localhost:7700/mcp",
  CURLOPT_RETURNTRANSFER => true,
  CURLOPT_ENCODING => "",
  CURLOPT_MAXREDIRS => 10,
  CURLOPT_TIMEOUT => 30,
  CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1,
  CURLOPT_CUSTOMREQUEST => "POST",
  CURLOPT_POSTFIELDS => json_encode([
    'jsonrpc' => '<string>',
    'id' => 123,
    'method' => '<string>',
    'params' => [
        '_meta' => [
                'io.modelcontextprotocol/protocolVersion' => '<string>',
                'io.modelcontextprotocol/clientInfo' => '<unknown>',
                'io.modelcontextprotocol/clientCapabilities' => '<unknown>'
        ],
        'name' => '<string>',
        'arguments' => '<unknown>'
    ]
  ]),
  CURLOPT_HTTPHEADER => [
    "Content-Type: application/json"
  ],
]);

$response = curl_exec($curl);
$err = curl_error($curl);

curl_close($curl);

if ($err) {
  echo "cURL Error #:" . $err;
} else {
  echo $response;
}

package main

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

func main() {

	url := "http://localhost:7700/mcp"

	payload := strings.NewReader("{\n  \"jsonrpc\": \"<string>\",\n  \"id\": 123,\n  \"method\": \"<string>\",\n  \"params\": {\n    \"_meta\": {\n      \"io.modelcontextprotocol/protocolVersion\": \"<string>\",\n      \"io.modelcontextprotocol/clientInfo\": \"<unknown>\",\n      \"io.modelcontextprotocol/clientCapabilities\": \"<unknown>\"\n    },\n    \"name\": \"<string>\",\n    \"arguments\": \"<unknown>\"\n  }\n}")

	req, _ := http.NewRequest("POST", url, payload)

	req.Header.Add("Content-Type", "application/json")

	res, _ := http.DefaultClient.Do(req)

	defer res.Body.Close()
	body, _ := io.ReadAll(res.Body)

	fmt.Println(string(body))

}

HttpResponse<String> response = Unirest.post("http://localhost:7700/mcp")
  .header("Content-Type", "application/json")
  .body("{\n  \"jsonrpc\": \"<string>\",\n  \"id\": 123,\n  \"method\": \"<string>\",\n  \"params\": {\n    \"_meta\": {\n      \"io.modelcontextprotocol/protocolVersion\": \"<string>\",\n      \"io.modelcontextprotocol/clientInfo\": \"<unknown>\",\n      \"io.modelcontextprotocol/clientCapabilities\": \"<unknown>\"\n    },\n    \"name\": \"<string>\",\n    \"arguments\": \"<unknown>\"\n  }\n}")
  .asString();

require 'uri'
require 'net/http'

url = URI("http://localhost:7700/mcp")

http = Net::HTTP.new(url.host, url.port)

request = Net::HTTP::Post.new(url)
request["Content-Type"] = 'application/json'
request.body = "{\n  \"jsonrpc\": \"<string>\",\n  \"id\": 123,\n  \"method\": \"<string>\",\n  \"params\": {\n    \"_meta\": {\n      \"io.modelcontextprotocol/protocolVersion\": \"<string>\",\n      \"io.modelcontextprotocol/clientInfo\": \"<unknown>\",\n      \"io.modelcontextprotocol/clientCapabilities\": \"<unknown>\"\n    },\n    \"name\": \"<string>\",\n    \"arguments\": \"<unknown>\"\n  }\n}"

response = http.request(request)
puts response.read_body

{
  "jsonrpc": "2.0",
  "id": 42,
  "result": {
    "resultType": "complete",
    "supportedVersions": [
      "2026-07-28"
    ],
    "capabilities": {
      "tools": {}
    },
    "_meta": {
      "io.modelcontextprotocol/serverInfo": {
        "name": "Meilisearch",
        "version": "1.52.0"
      }
    },
    "instructions": "This is a Meilisearch instance that is capable of returning documents based on a search query.",
    "ttlMs": 3600000,
    "cacheScope": "public"
  }
}

{
  "message": "The Authorization header is missing. It must use the bearer authorization method.",
  "code": "missing_authorization_header",
  "type": "auth",
  "link": "https://docs.meilisearch.com/errors#missing_authorization_header"
}