“Give a person a task, and they’ll complete it once. Teach an AI agent the task, and it’ll execute it endlessly.”

Introduction

AI agents can communicate and collaborate to perform tasks efficiently. In this article, we will explore how to build multiple AI agents using Fetch.ai uAgents and establish communication between them. You can use this framework to integrate it with existing AI-agents available in agentverse.ai marketplace

Getting Started

When I first started learning about AI agents, I had many questions in mind. The concept seemed intriguing, but I wanted to understand its real-world applications, efficiency, and why companies were rapidly adopting it. Through my research and hands-on experimentation, I realized the true potential of AI agents and their ability to revolutionize automation, decision-making, and collaboration. To help others gain the same clarity, I have compiled answers to some of the most common questions about AI agents. I hope this section will provide insights and help you understand their significance

What is an AI Agent?

An AI agent is a software entity that can perceive its environment, process data, and make autonomous decisions. Unlike traditional programs, AI agents operate independently or collaborate to automate tasks like customer support, data analysis, and logistics.

Who is Using AI Agents?

Tech giants like Google, Microsoft, and OpenAI use AI agents for automation. Finance companies rely on them for fraud detection and trading. Healthcare providers use them for diagnostics, and logistics companies like Amazon and FedEx optimize deliveries with AI-powered automation.

Why Are Companies Moving to AI Agents?

Traditional systems need manual intervention and centralized control, leading to inefficiencies. AI agents make real-time decisions, scale dynamically, and reduce reliance on single points of failure. Their ability to process and adapt to data makes them far more efficient.

How Do AI Agents Communicate?

AI agents exchange messages using structured protocols. In Fetch.ai’s uAgents framework, each agent has a unique address and communicates securely. They use an event-driven model, responding to messages and integrating with APIs, databases, and blockchain networks.

What Services Can AI Agents Provide?

AI agents handle information retrieval, task automation, data analysis, and fraud detection. They also enable decentralized marketplaces, allowing direct peer-to-peer transactions without intermediaries. Their flexibility improves efficiency across industries.

The Future of AI Agents

AI agents will drive automation, reduce costs, and enhance AI ecosystems. Their integration with blockchain will improve security and transparency in digital transactions, making them essential for the future of AI-driven applications.

Industries Benefiting from AI Agents

Finance uses AI agents for trading and fraud detection, while healthcare applies them to diagnostics and drug discovery. Retail and e-commerce use AI agents for recommendations and customer support, while logistics and smart cities benefit from AI-driven automation.

Why Fetch.ai for AI Agents?

Fetch.ai offers a decentralized infrastructure with secure, scalable AI agent interactions. The uAgents framework simplifies development, while blockchain integration ensures trust. The Agentverse Marketplace provides ready-to-use AI services, speeding up deployment.

Other AI Agent Platforms

Google’s Dialogflow powers chatbots, OpenAI’s GPT agents handle automation, and IBM Watson Assistant supports enterprise AI. Microsoft Azure AI Agents and Rasa also provide virtual assistants for business applications.

AI Agents in Marketplaces

Marketplaces like Fetch.ai’s Agentverse.ai offer pre-built AI agents for integration. For example, the OpenAI Agent provides text generation and data analysis. Businesses can leverage these agents to enhance applications without complex AI development.

Let’s Learn How to Implement - Step by Step

We will create:
• MasterAgent: Sends messages to Slave Agents.
• SlaveAgent1 and SlaveAgent2: Receive messages from the MasterAgent.

The MasterAgent acts as the central coordinator, retrieving references to other agents, assigning tasks, consolidating results, and sending the final output back to the requesting client. It ensures smooth communication and workload distribution among agents.

Slave agents function as individual workers, executing tasks based on the MasterAgent’s instructions. In this example, we will create custom agents with specific logic. However, we can also leverage pre-built agents from marketplaces like the OpenAI Agent in Agentverse.ai and seamlessly integrate them into our applications.

Project Structure

first-ai-agent/
│── agents/
│   ├── master-agent.py
│   ├── slave-agent-1.py
│   ├── slave-agent-2.py
│── venv/
│── __pycache__/
│── .gitignore
│── LICENSE
│── README.md
│── requirements.txt
│── setup.sh

Installing Dependencies

Ensure you have Python installed. Then, set up a virtual environment and install Fetch.ai uAgents.

python -m venv venv
source venv/bin/activate  # On Windows: venv\Scripts\activate
pip install uagents

Source Code

Slave Agent 1 (slave-agent-1.py)

from uagents import Agent

slave1 = Agent(name="SlaveAgent1", port=8001)

@slave1.on_message()
def handle_message(ctx, sender, msg):
    ctx.logger.info(f"[SlaveAgent1] Received message from {sender}: {msg}")

    # Save agent address
    with open("SlaveAgent1_address.txt", "w") as f:
        f.write(slave1.address)

if __name__ == "__main__":
    slave1.run()

Slave Agent 2 (slave-agent-2.py)

from uagents import Agent

slave2 = Agent(name="SlaveAgent2", port=8002)

@slave2.on_message()
def handle_message(ctx, sender, msg):
    ctx.logger.info(f"[SlaveAgent2] Received message from {sender}: {msg}")

    # Save agent address
    with open("SlaveAgent2_address.txt", "w") as f:
        f.write(slave2.address)

if __name__ == "__main__":
    slave2.run()

Master Agent (master-agent.py)

from uagents import Agent

master = Agent(name="MasterAgent", port=8003)

# Read slave agent addresses
with open("SlaveAgent1_address.txt", "r") as f:
    slave1_address = f.read().strip()
with open("SlaveAgent2_address.txt", "r") as f:
    slave2_address = f.read().strip()

@master.on_event("start")
def send_messages(ctx):
    ctx.logger.info(f"[MasterAgent] Sending message to SlaveAgent1 ({slave1_address})")
    ctx.send(slave1_address, "Hello SlaveAgent1, this is MasterAgent!")

    ctx.logger.info(f"[MasterAgent] Sending message to SlaveAgent2 ({slave2_address})")
    ctx.send(slave2_address, "Hello SlaveAgent2, this is MasterAgent!")

if __name__ == "__main__":
    master.run()

Running the Agents

Start SlaveAgent1

python slave-agent-1.py

Start SlaveAgent2

python slave-agent-2.py

Start MasterAgent

python master-agent.py

Logs & Execution

Slave Agent 1 Logs

[SlaveAgent1]                         

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