A2aClient class final

An A2A client: discovers agents, sends messages, streams responses, and manages task lifecycles — all over injectable package:http.

Constructors

A2aClient({required String baseUrl, String? token, Client? client})

Properties

baseUrl → String

final

card → Future<AgentCard>

Fetches and caches the Agent Card from /.well-known/agent.json.

no setter

hashCode → int

The hash code for this object.

no setter, inherited

runtimeType → Type

A representation of the runtime type of the object.

no setter, inherited

token → String?

final

Methods

cancelTask(String taskId) → Future<A2aTask>

Cancels a task.

close() → void

getTask(String taskId) → Future<A2aTask>

Gets the current state of a task.

noSuchMethod(Invocation invocation) → dynamic

Invoked when a nonexistent method or property is accessed.

inherited

sendMessage(String text, {Map<String, dynamic>? metadata}) → Future<A2aTask>

Sends a message to the agent (non-streaming). Returns the task. metadata rides the message envelope (the A2A wire's standard message metadata — the fa-mail gateway marks fabric mail with it).

streamMessage(String text) → Stream<A2aTask>

Streams a message via SSE. Yields task state updates as they arrive.

toString() → String

A string representation of this object.

inherited

Operators

operator ==(Object other) → bool

The equality operator.

inherited