Struct A2aClient 

pub struct A2aClient { /* private fields */ }

Client for communicating with A2A-compatible agents.

Implementations

impl A2aClient

pub fn new(auth_token: Option<String>) -> Self

Create a new A2A client with an optional global fallback auth token.

pub async fn set_agent_token(&self, base_url: &str, token: String)

Set an authentication token for a specific agent base URL.

pub async fn discover(&self, base_url: &str) -> Result<AgentCard>

Discover an agent by fetching its card from /.well-known/agent.json.

pub async fn get_agent(&self, base_url: &str) -> Result<AgentCard>

Get a cached agent card, or discover if not cached.

pub async fn send_task( &self, agent_url: &str, task: &TaskRequest, options: Option<SendTaskOptions>, ) -> Result<TaskResponse>

Send a task to an agent, optionally applying a timeout from SendTaskOptions.

pub async fn get_task( &self, agent_url: &str, task_id: &str, ) -> Result<TaskResponse>

Get the status of a task.

pub async fn cancel_task( &self, agent_url: &str, task_id: &str, ) -> Result<TaskStatusUpdate>

Cancel a running task.

pub async fn cached_agents(&self) -> Vec<AgentCard>

List all cached agents.

pub async fn clear_cache(&self)

Clear the agent cache.