How do I install the A2a Sdk skill?

Run npx skillmds@latest add diegosouzapw/a2a-sdk in your terminal (requires Node.js), paste this page's agent-chat prompt into Claude, Cursor, or any MCP-connected agent, or download the SKILL.md file and copy it into your agent's skills directory.

Is A2a Sdk safe to use?

This skill has not completed SkillMD's automated safety review yet. Independent scanners report: SkillSpector: PASS, Skill Scanner: PASS. Capability flags: docs only. SkillMD never runs a skill's scripts for you; review the SKILL.md before installing.

Which AI agents work with A2a Sdk?

This skill is tagged as working with Claude Code, Claude.ai, OpenAI Codex. SKILL.md is an open format, so most agents that read a skills directory can load it too.

Is A2a Sdk free to use?

Yes. Installing skills from SkillMD is free, and the skill stays under its author's original license.

Who published A2a Sdk?

diegosouzapw (@diegosouzapw) published this skill. Their other Agent Skills are listed on their SkillMD profile.

A2a Sdk by diegosouzapw — Agent Skill

Name: A2a Sdk
Rating: 4.2 (5 reviews)
Author: diegosouzapw

A2a Sdk

Comprehensive Agent2Agent (A2A) JavaScript SDK skill for building A2A-compliant agents and clients. Use when implementing or integrating @a2a-js/sdk, creating A2A servers/clients, using JSON-RPC/REST/gRPC transports, streaming task updates, handling tasks/artifacts, authentication, or push notifications.

diegosouzapw Updated Sep 8, 2026 54 repo stars

File contents

A2A JavaScript SDK Skill

Overview

Use this skill to implement A2A-compliant servers and clients with @a2a-js/sdk, including tasks, streaming, authentication, and transport selection. Follow A2A protocol v0.3.0.

Core Workflows

Select transport: JSON-RPC (default), REST, or gRPC.
Define an AgentCard and AgentExecutor for server implementations.
Use ClientFactory for client creation and message exchange.
Add task handling and artifacts for long-running operations.
Use streaming when real-time updates are required.
Add authentication or push notifications when needed.

Bundled Resources

README.md: Quick overview and basic usage patterns.
REFERENCE.md: Full API reference and advanced features.
HELPERS.md: Helper utilities and common patterns.
templates/server/basic-server.ts: Minimal server template.
templates/server/task-server.ts: Task-based server template.
templates/client/basic-client.ts: Minimal client template.
templates/client/streaming-client.ts: Streaming client template.
examples/authentication.md: Authentication server/client examples.
examples/streaming.md: Streaming server/client examples.

Implementation Guidance

Keep AgentCard fields aligned with protocol v0.3.0.
Prefer direct message responses for simple requests.
Use tasks for long-running work and publish status updates and artifacts.
Use streaming for real-time task progress updates.
Include authentication via custom user builders or authenticated transports when required.

Frequently asked questions