### 1 · initialize
POST /mcp HTTP/1.1
Host: 127.0.0.1:8081
Accept: application/json, text/event-stream
Content-Type: application/json

{
  "jsonrpc": "2.0",
  "id": 1,
  "method": "initialize",
  "params": {
    "protocolVersion": "2026-07-28",
    "capabilities": {},
    "clientInfo": {
      "name": "m101",
      "version": "0"
    }
  }
}

HTTP/1.1 200 OK
Cache-Control: no-cache, no-transform
Connection: keep-alive
Content-Type: text/event-stream
Date: <http-date>
Transfer-Encoding: chunked

event: message
data: {"jsonrpc":"2.0","id":1,"result":{"capabilities":{"logging":{},"tools":{"listChanged":true}},"protocolVersion":"2025-11-25","serverInfo":{"name":"docker agent","version":"v1.149.0"}}}

### 2 · notifications/initialized
POST /mcp HTTP/1.1
Host: 127.0.0.1:8081
Accept: application/json, text/event-stream
Content-Type: application/json

{
  "jsonrpc": "2.0",
  "method": "notifications/initialized"
}

HTTP/1.1 202 Accepted
Date: <http-date>



### 3 · tools/list
POST /mcp HTTP/1.1
Host: 127.0.0.1:8081
Accept: application/json, text/event-stream
Content-Type: application/json

{
  "jsonrpc": "2.0",
  "id": 2,
  "method": "tools/list"
}

HTTP/1.1 200 OK
Cache-Control: no-cache, no-transform
Connection: keep-alive
Content-Type: text/event-stream
Date: <http-date>
Transfer-Encoding: chunked

event: message
data: {"jsonrpc":"2.0","id":2,"result":{"ttlMs":0,"cacheScope":"public","tools":[{"annotations":{"destructiveHint":false,"idempotentHint":true,"openWorldHint":false,"readOnlyHint":true,"title":"Answers every message with the word pong."},"description":"Answers every message with the word pong.","inputSchema":{"additionalProperties":false,"properties":{"message":{"description":"the message to send to the agent","type":"string"}},"required":["message"],"type":"object"},"name":"pong","outputSchema":{"additionalProperties":false,"properties":{"response":{"description":"the response from the agent","type":"string"}},"required":["response"],"type":"object"}}]}}

### 4 · tools/call
POST /mcp HTTP/1.1
Host: 127.0.0.1:8081
Accept: application/json, text/event-stream
Content-Type: application/json

{
  "jsonrpc": "2.0",
  "id": 3,
  "method": "tools/call",
  "params": {
    "name": "pong",
    "arguments": {
      "message": "ping"
    }
  }
}

HTTP/1.1 200 OK
Cache-Control: no-cache, no-transform
Connection: keep-alive
Content-Type: text/event-stream
Date: <http-date>
Transfer-Encoding: chunked

event: message
data: {"jsonrpc":"2.0","id":3,"result":{"content":[{"type":"text","text":"{\"response\":\"pong\"}"}],"structuredContent":{"response":"pong"}}}