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How-To Guides

Practical, hands-on guides to help you get started with the Agent2Agent (A2A) protocol.

🚀 Quick Start Guides

Quick Start

Get running in 10 minutes

Set up your first A2A system: - Start a registry - Run a cryptocurrency agent - Connect with a client - Send your first A2A messages

Prerequisites: Python 3.10+
Time: 10 minutes

Installation Guide

Set up your environment

Complete installation instructions: - Virtual environment setup - Dependency installation - IDE configuration - Troubleshooting common issues

Prerequisites: None
Time: 15 minutes

First Agent Tutorial

Build from scratch

Create a complete A2A agent: - Agent card creation - Registry registration - Capability implementation - Client interaction

Prerequisites: Installation complete
Time: 30-45 minutes

📚 Comprehensive Guides

Security & Best Practices

Security Checklist

Audit your A2A implementation

Comprehensive security review: - ✅ Authentication verification - ✅ Message validation checks - ✅ Session security audit - ✅ PII protection review - ✅ State management checks

For: Developers, Security Engineers
When: Before production deployment

Running Examples

Running Examples

Understand the example projects

How to use the three main examples: - Crypto Agent: Price queries and API integration - Credit Report Agent: File handling and PII protection - Task Collaboration: Multi-agent coordination

Each example shows progression: 1. ❌ Stage 1: Vulnerable baseline 2. ⚠️ Stage 2: Partial improvements 3. ✅ Stage 3+: Production-ready security

For: All levels
When: After Quick Start

Creating Content

Presentation Guide

Generate slides and documentation

Create presentations about A2A: - Slide generation from markdown - Documentation export - Diagram creation - Best practices for technical presentations

For: Technical writers, Presenters
When: Sharing A2A knowledge

🎯 Learning Paths

Choose your path based on your goals:

For Beginners

Goal: Understand A2A basics and get started

graph LR
    A[Installation] --> B[Quick Start]
    B --> C[First Agent]
    C --> D[Running Examples]
    D --> E[A2A Overview]

Recommended order: 1. Installation Guide 2. Quick Start 3. First Agent Tutorial 4. Running Examples 5. A2A Overview

Time: 2-3 hours

For Developers

Goal: Build secure A2A agents

graph LR
    A[Quick Start] --> B[A2A Overview]
    B --> C[Security Best Practices]
    C --> D[Running Examples]
    D --> E[Build Custom Agent]

Recommended order: 1. Quick Start 2. A2A Overview 3. Security Best Practices 4. Running Examples 5. First Agent Tutorial 6. Security Checklist

Time: 4-6 hours

For Security Professionals

Goal: Audit and secure agent systems

graph LR
    A[Threat Model] --> B[Security Checklist]
    B --> C[Code Walkthrough]
    C --> D[Running Examples]
    D --> E[Security Analysis]

Recommended order: 1. Threat Model 2. Security Checklist 3. Code Walkthrough 4. Running Examples 5. Stage 1 Security Analysis

Time: 6-8 hours

For Architects

Goal: Design multi-agent systems

graph LR
    A[A2A Overview] --> B[Discovery Patterns]
    B --> C[Communication Patterns]
    C --> D[Architecture Examples]
    D --> E[Security Integration]

Recommended order: 1. A2A Overview 2. Agent Registry 3. Protocol Messages 4. Task Collaboration Example 5. Security Best Practices

Time: 8-10 hours

🔧 By Technology

Python Development

Web Development

DevOps

📖 Additional Resources

Core Documentation

Example Projects

Tools & Utilities

💡 Guide Conventions

Difficulty Levels

  • 🔰 Beginner - No prior A2A knowledge required
  • 📚 Intermediate - Requires basic A2A understanding
  • 🎓 Advanced - Requires comprehensive A2A knowledge

Time Estimates

  • ⏱️ Quick - Under 15 minutes
  • ⏰ Standard - 15-60 minutes
  • 📅 Extended - 1+ hours

Prerequisites

Each guide clearly lists: - Required prior knowledge - Software dependencies - Hardware requirements - Time commitment

🎯 Quick Reference

Need Guide Time Level
Get started fast Quick Start 10 min 🔰
Set up environment Installation 15 min 🔰
Build first agent First Agent 45 min 📚
Understand examples Running Examples 30 min 📚
Security audit Security Checklist 60 min 🎓
Create presentations Presentation Guide 30 min 📚

📬 Getting Help

Documentation Issues

If you find errors or have suggestions: 1. Check the Documentation Index 2. Review related examples 3. Contact: robert@fischer3.net

Technical Issues

For code or implementation questions: 1. Review the Security Checklist 2. Check Troubleshooting 3. Examine relevant example code

Contributing

Want to improve these guides? - Submit corrections - Suggest new topics - Share use cases - Report unclear sections

🚀 Ready to Start?

New to A2A?
→ Start with Quick Start

Want hands-on practice?
→ Try First Agent Tutorial

Need to secure production code?
→ Use Security Checklist

Looking for examples?
→ See Running Examples

Next Steps

Choose your path:

Quick Start → Installation → First Agent →

Last Updated: December 2025
Maintainer: Robert Fischer
Email: robert@fischer3.net