A2A JavaScript/TypeScript SDK Development Guide Build standards-compliant agent-to-agent applications using the . This guide covers server agents, clients, task management, streaming, and all three transport bindings. Quick Reference Import paths: The SDK implements A2A Protocol Specification v0.3.0 . --- Architecture Overview An A2A application has two sides: 1. Server (Agent) — exposes capabilities via an Agent Card, handles incoming messages, manages tasks, and publishes events 2. Client (Consumer) — discovers agents, sends messages, tracks tasks, and consumes streaming updates The protoco…