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POST
/
v2
/
x402
/
discovery
/
mcp
Handle MCP JSON-RPC request
curl --request POST \
  --url https://api.cdp.coinbase.com/platform/v2/x402/discovery/mcp \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "jsonrpc": "2.0",
  "method": "tools/list",
  "id": 1,
  "params": {}
}
'
import requests

url = "https://api.cdp.coinbase.com/platform/v2/x402/discovery/mcp"

payload = {
"jsonrpc": "2.0",
"method": "tools/list",
"id": 1,
"params": {}
}
headers = {
"Authorization": "Bearer <token>",
"Content-Type": "application/json"
}

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

print(response.text)
const options = {
method: 'POST',
headers: {Authorization: 'Bearer <token>', 'Content-Type': 'application/json'},
body: JSON.stringify({jsonrpc: '2.0', method: 'tools/list', id: 1, params: {}})
};

fetch('https://api.cdp.coinbase.com/platform/v2/x402/discovery/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_URL => "https://api.cdp.coinbase.com/platform/v2/x402/discovery/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' => '2.0',
'method' => 'tools/list',
'id' => 1,
'params' => [

]
]),
CURLOPT_HTTPHEADER => [
"Authorization: Bearer <token>",
"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 := "https://api.cdp.coinbase.com/platform/v2/x402/discovery/mcp"

payload := strings.NewReader("{\n \"jsonrpc\": \"2.0\",\n \"method\": \"tools/list\",\n \"id\": 1,\n \"params\": {}\n}")

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

req.Header.Add("Authorization", "Bearer <token>")
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("https://api.cdp.coinbase.com/platform/v2/x402/discovery/mcp")
.header("Authorization", "Bearer <token>")
.header("Content-Type", "application/json")
.body("{\n \"jsonrpc\": \"2.0\",\n \"method\": \"tools/list\",\n \"id\": 1,\n \"params\": {}\n}")
.asString();
require 'uri'
require 'net/http'

url = URI("https://api.cdp.coinbase.com/platform/v2/x402/discovery/mcp")

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

request = Net::HTTP::Post.new(url)
request["Authorization"] = 'Bearer <token>'
request["Content-Type"] = 'application/json'
request.body = "{\n \"jsonrpc\": \"2.0\",\n \"method\": \"tools/list\",\n \"id\": 1,\n \"params\": {}\n}"

response = http.request(request)
puts response.read_body
{
  "jsonrpc": "2.0",
  "id": 1,
  "result": {
    "tools": []
  },
  "error": {
    "code": -32600,
    "message": "Invalid Request",
    "data": {}
  }
}
{
"errorType": "invalid_request",
"errorMessage": "Invalid JSON-RPC request. Please check the request format."
}
{
"errorType": "internal_server_error",
"errorMessage": "An internal server error occurred. Please try again later."
}

Body

application/json

A JSON-RPC 2.0 request for the Model Context Protocol.

jsonrpc
enum<string>
required

JSON-RPC version, must be "2.0".

Available options:
2.0
Example:

"2.0"

method
string
required

The MCP method to invoke.

Example:

"tools/list"

id

Request identifier.

Example:

1

params
object

Optional parameters for the method.

Example:
{}

Response

MCP response.

A JSON-RPC 2.0 response for the Model Context Protocol.

jsonrpc
enum<string>
required

JSON-RPC version.

Available options:
2.0
Example:

"2.0"

id

Request identifier (matches the request ID, null for notifications).

Example:

1

result
object

The result of the method call (present on success).

Example:
{ "tools": [] }
error
object

JSON-RPC 2.0 error object.

Example:
{
"code": -32600,
"message": "Invalid Request",
"data": {}
}