@type t() :: %Synaptic.MCP.Discovery{
  resources: [map()] | nil,
  resources_supported?: boolean(),
  server_info: map(),
  tools: [tool()],
  warnings: [term()]
}

@type tool() :: %{
  :name => String.t(),
  optional(:description) => String.t(),
  optional(:input_schema) => map(),
  optional(:annotations) => map()
}