curl --request GET \
  --url http://localhost:5300/api/v1/pipelines/{pipeline_uuid}/extensions \
  --header 'X-API-Key: <api-key>'

{
  "code": 0,
  "data": {
    "enable_all_plugins": true,
    "enable_all_mcp_servers": true,
    "bound_plugins": [
      "<string>"
    ],
    "available_plugins": [
      {}
    ],
    "bound_mcp_servers": [
      "<string>"
    ],
    "available_mcp_servers": [
      {}
    ]
  }
}