A2A JavaScript/TypeScript SDK Development Guide

Build standards-compliant agent-to-agent applications using the @a2a-js/sdk. This guide covers server agents, clients, task management, streaming, and all three transport bindings.

Quick Reference

# Install the SDK
npm install @a2a-js/sdk

# For Express server integration
npm install express

# For gRPC support (Node.js only)
npm install @grpc/grpc-js @bufbuild/protobuf