a2a-sdk

Create A2A-compliant agents and clients using the JavaScript SDK.

Updated Jan 28, 2026

Search Tags:#task management #javascript #communication #sdk #agent #a2a

Ready to run

npx skills add https://github.com/xuziqiang98/my-skills --skill a2a-sdk

💬 Prompt for ChatGPT / Claude Chat▼

Please help me install this Agent Skill.
Skill: a2a-sdk
Source: https://github.com/xuziqiang98/my-skills/tree/main/a2a-sdk
Command: npx skills add https://github.com/xuziqiang98/my-skills --skill a2a-sdk

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill includes scripts (resource) and references (resource) and assets (resource) components.

What problem does it solve?

This Skill simplifies the development of A2A-compliant agents and clients, enabling seamless communication and task management between agents.

Core Features & Use Cases

Agent/Client Development: Build A2A servers and clients using the @a2a-js/sdk.
Transport Flexibility: Supports JSON-RPC, REST, and gRPC protocols.
Task Management: Handle long-running tasks, stream updates, and manage artifacts.
Use Case: Develop an agent that processes user requests, manages tasks, and streams real-time progress updates back to the client.

Quick Start

Use the a2a-sdk skill to create a basic A2A agent server.

Frequently Asked Questions about a2a-sdk

High-intent search queries and answers about installing and using this skill.

FAQPage Schema

How do I build A2A-compliant agents and clients using JavaScript?▼

Build A2A-compliant agents and clients using the @a2a-js/sdk JavaScript library to facilitate seamless communication and task management between agents. It supports JSON-RPC, REST, and gRPC transports for agent-to-agent communication.

What is the best way to manage long-running tasks and stream updates between A2A agents?▼

Manage long-running tasks and stream real-time progress updates between A2A agents by utilizing the task management and streaming features within the @a2a-js/sdk. It handles task lifecycle, artifact management, and push notifications.

Does the JavaScript A2A SDK support gRPC and REST protocols for agent communication?▼

The JavaScript A2A SDK supports gRPC and REST protocols, alongside JSON-RPC, providing flexible transport options for agent-to-agent communication. This allows you to choose the best protocol for your client and server architecture.

Can I handle authentication and push notifications with the A2A JavaScript SDK?▼

Handle authentication and push notifications directly with the A2A JavaScript SDK. It includes built-in support for securing agent-to-agent communication and sending asynchronous push notifications for task updates.

When do I need to use the @a2a-js/sdk for agent-to-agent communication?▼

Use the @a2a-js/sdk when you need to develop A2A servers and clients that require seamless communication, task management, and artifact handling. It is essential for enabling structured, multi-protocol agent-to-agent interactions in JavaScript.