Crate a2a_rust 

Rust SDK for the A2A Protocol v1.0.

This crate provides a protocol-accurate type layer plus optional server and client implementations behind feature flags.

Re-exports

pub use crate::client::A2AClient;

pub use crate::client::A2AClientConfig;

pub use crate::client::A2AClientStream;

pub use crate::client::AgentCardDiscovery;

pub use crate::client::AgentCardDiscoveryConfig;

pub use crate::error::A2AError;

pub use crate::store::InMemoryTaskStore;

pub use crate::store::TaskStore;

pub use crate::types::*;

Modules

client

HTTP client for discovering and calling remote A2A agents.

error

Transport-neutral error type shared across the crate.

jsonrpc

JSON-RPC 2.0 envelope types and A2A method/code constants.

server

Axum-based server framework for exposing an A2A agent.

store

Task persistence traits and the in-memory store implementation.

types

Protocol request, response, and resource types. Core A2A protocol types.