Struct A2aClient 

pub struct A2aClient { /* private fields */ }

A2A client for communicating with remote A2A agents

Implementations

impl A2aClient

pub fn new(agent_card: AgentCard) -> Self

Create a new A2A client from an agent card

pub async fn resolve_agent_card(base_url: &str) -> Result<AgentCard>

Resolve an agent card from a URL (fetch from /.well-known/agent.json)

pub async fn from_url(base_url: &str) -> Result<Self>

Create a client by resolving an agent card from a URL

pub fn agent_card(&self) -> &AgentCard

Get the agent card

pub async fn send_message(&self, message: Message) -> Result<JsonRpcResponse>

Send a message to the remote agent (blocking/non-streaming)

pub async fn send_streaming_message( &self, message: Message, ) -> Result<Pin<Box<dyn Stream<Item = Result<UpdateEvent>> + Send>>>

Send a message and receive streaming events via SSE