Building A LinkedIn Content Creation Agency Using Google’s Agent Development Kit

A hands-on tutorial on creating a helpful multi-agent AI system using Google’s ADK with Sequential and Parallel agents monitored by Guardrails, combining tools from LangChain and CrewAI

Image generated with Google ImageFX

Google recently introduced its Agent Development Kit (ADK), which is an easy-to-use modular framework for developing, evaluating and deploying AI agents.

Here’s a lesson in which we will use this framework to build a multi-agent system that can research a given topic and return an SEO-optimized LinkedIn post on it, together with a creative visual to post alongside.

This tutorial is based on the philosophy of learning by doing. Therefore, I will skip the theory behind how AI agents work and jump straight to coding.

By the end of it, you will have a LinkedIn content creation multi-agent system that will do the following:

1. Two agents will search for content about a given topic on Google (using an in-built tool) and DuckDuckGo (a tool from Langchain) in parallel

2. Their results will be refined and combined by another AI agent

3. A writer agent will use these results to write a LinkedIn post (with a hook, key insights and a clear call-to-action)

4. An SEO optimization ag…