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Google Cloud Releases 8-Minute Tutorial for Building a First AI Agent

July 2, 2026 at 18:45 EDT

AI Agents
Software Dev & Coding
Open Source

Google Cloud Tech has published a YouTube tutorial showing how to build an AI agent from scratch in about eight and a half minutes using the open-source Agent Development Kit (ADK). The clip walks through assembling a blog-writing agent in Python while teaching the basics of autonomous behavior such as reasoning, planning and self-correction. The video runs about 8 minutes 29 seconds and covers theory, code implementation and testing in one pass.

Google Cloud Tech · Agent Development Kit

Build Your First AI Agent in 8 Minutes

A step-by-step tutorial builds a self-correcting, multi-agent Blog Writing system in Python — a Planner and Writer coordinated by a Root Agent, with validation checks that auto-retry on failure.

8:29

Video runtime — theory to working code

Agents / components in the system

3×

Loop Agent retries on validation failure

The Self-Correcting Loop

A topic flows through generation and validation; failures loop back until the check passes (up to 3 tries).

Planner Agent

Generates the outline → blog_outline

→

Writer Agent

Writes the body → blog_post

→

Validation Check

Pass → output · Fail → loop back (max 3×)

The Root Agent (Blogger) calls each sub-agent as a tool, passing data through shared state.

WHAT DEVELOPERS LIKE

Free intro that balances theory and code
Can be tried immediately via ADK Web UI
Cloud integration with Vertex AI, scaling & governance

PRACTICAL CAVEATS

Skips complex production scaling
Little on tool-integration friction
Retry limit & shared-state management need real-world tuning

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