config {
  name: "envoy.filters.http.mcp"
  typed_config {
    type_url: "type.googleapis.com/envoy.extensions.filters.http.mcp.v3.Mcp"
  }
}
data {
  headers {
    headers {
      key: "content-type"
      value: "application/json"
    }
    headers {
      key: ":method"
      value: "POST"
    }
  }
  http_body {
    data: "{\"theme\": \"Children\"}"
  }
}
