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a2a-agent-card

Generate and configure A2A Agent Cards defining identity, capabilities, skills, and authentication.

35|16|Updated Mar 4, 2026
Search Tags:#authentication#discovery#skills#capabilities#a2a#agent card
One-click install
npx skills add https://github.com/OrcaQubits/agentic-commerce-claude-plugins --skill a2a-agent-card
Or copy as Structured Prompt for Agent▼
Please help me install this Agent Skill.
Skill: a2a-agent-card
Source: https://github.com/OrcaQubits/agentic-commerce-claude-plugins/tree/main/a2a-multi-agent/skills/a2a-agent-card
Command: npx skills add https://github.com/OrcaQubits/agentic-commerce-claude-plugins --skill a2a-agent-card

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill includes references (resource) components.

What problem does it solve?

This Skill helps you define and configure Agent Cards, which are essential for agents to discover each other and understand their capabilities, authentication methods, and available skills in the A2A protocol.

Core Features & Use Cases

  • Agent Discovery: Enables agents to advertise their services and endpoints.
  • Capability Declaration: Clearly outlines what protocols and features an agent supports (e.g., streaming, push notifications).
  • Skill Cataloging: Lists and describes the specific tasks an agent can perform, including examples.
  • Authentication Specification: Details the security schemes required for interaction.
  • Use Case: When building a new agent, you'll use this Skill to generate its Agent Card, ensuring other agents can find and interact with it correctly.

Quick Start

Use the a2a-agent-card skill to create a new agent card for an agent that supports streaming and has a 'process_data' skill.

Frequently Asked Questions about a2a-agent-card

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

FAQPage Schema
What is an A2A Agent Card and how does it enable agent discovery?▼

An A2A Agent Card is the discovery and capability advertisement mechanism for agents, defining identity, supported protocol features, skills catalog, and authentication requirements for agent-to-agent communication.

How do I create an A2A Agent Card for an agent that supports streaming?▼

To create an A2A Agent Card, use this Skill to configure the agent's identity, declare streaming as a supported protocol feature, catalog available skills with descriptions and examples, and specify required authentication schemes.

Can I define custom authentication requirements in an A2A Agent Card?▼

Yes, A2A Agent Cards support authentication specification, allowing you to detail the exact security schemes required for other agents to securely interact with and discover your agent's endpoints.

What protocol features and capabilities can I declare in an A2A Agent Card?▼

A2A Agent Cards allow you to declare supported protocol features like streaming and push notifications, alongside a full catalog of specific skills with descriptions, examples, and input/output modes.

Do I need an A2A Agent Card for agent-to-agent integration within the A2A ecosystem?▼

Yes, an A2A Agent Card is essential for agent-to-agent communication and integration, serving as the advertisement mechanism that ensures other agents can find and interact with your agent correctly.

When should I generate an A2A Agent Card instead of manually configuring agent endpoints?▼

Generate an A2A Agent Card whenever building a new agent for the A2A protocol, as it standardizes capability declaration, skill cataloging, and authentication specification rather than relying on manual endpoint configuration.

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