DEV Community

John Wakaba
John Wakaba

Posted on

AI AGENTS AND HOW TO BUILD THEM

AI AGENTS

AI Agents have a potential that is transformative encompassing benefits and challenges however, they can be leveraged for innovation and efficiency in projects.

AI Agents have evolved from simple rule based systems to sophisticated autonomous entities that can learn, adapt and make complex decisions.

Currently AI Agenst are now essential tools within the data realm cutting across basic projects to production and deployed systems.

DEFINITION

AI Agents are anything that can perceive its environment through sensors and act upon that environment through actuators.

They are computer systems designed to perceive their environment, make decisions and take actions to achieve specific goals.

Digital entities that can sense, think, act in their own unique way.

Agents Workflow

The Environment is the system it interacts with and gathers information from.

Circular Workflow

Workflow is circular in an AI Agent, it is like a loop.

Examples

AGENT ENVIRONMENT
GAME AGENT Game
SELF DRIVING CAR AGENT Road system and its adjacent areas
ROBOT AGENT Physical work
TRAVEL BOOKING AI AGENT Travel booking system the AI agent uses to complete the task

How it works

Agent gathers information and feedback from its environment using its sensors.

  • A robotic agent might use cameras, microphone to gather information and feedback from its environments.

  • For a Software agent the sensor input could be text, voice, images or data obtained from an API

Agent affects its environment through Actuators.

  • Robot actuators might include motors, movements or grippers for handling objects.

  • Software agent actuators might involve action like *browsing the webs, modifying files in the file system or executing commands in a system to accomplish a task. *

The actions an AI Agent can perform is augmented by the tools it has acces to.

AI Agent operates in the Sense, think, act loop

Senses so that is the perception, then thinks which is reasoning, decision and learning then acts then repeats

Sense Think Act Loop

The loop pattern is what makes the Agentic workflow different from the non-Agentic workflow

Non-Agentic V Agentic Workflow

Agentic Workflow leads to a better output.

KEY CHARACTERISTICS OF AI AGENTS

AI Agents distinguish themselves by having unified capabilities of perception, reasoning and action to achieve specific goals.

They are an evolution from passive AI systems.

  1. Autonomy and Decision Making

They operate independently, making decisions without constant human supervision. Once properly configured, these agents can function autonomously, handling both routine tasks and unexpected situations.

  1. Learning and Adaptability

AI Agents effectiveness stems froom its abi;ity to learn and adapt over time.

AI Agents can:

  • Analyze patterns in data to improve their decision making.
  • Adjust their behavior based on feedback from their environmet.
  • Optimize their performance over time through various learning mechanisms.
  • Handling new scenarios by applying learned knowledge to unfamiliar situations.

TYPES OF AI AGENTS

Reactive Agents

They are the simplest form of AI Agents.

They are digital reflexes that follow pre-programmed rules to respond to specific situations.

Operate on a basic principle whereby they perceive and react without maintaining any internal state or memory of past actions.

An example is spam detection systems that make immediate decisions based on predefined rules

Deliberative Agents

They are more sophisticated agents that maintain an internal state and can plan ahead.

An example is inventory management agent that can predict future demand based on historical data, seasonal trends and upcoming events to optimize stock levels.

Hybrid Agents

They can handle both immediate responses and long term planning.

AGENT TYPE USE CASE
REACTIVE AGENTS Simple games, basic automation
DELIBERATIVE AGENTS Complex Simulations, Strategic planning
HYBRID AGENTS Adaptive systems requiring both speed and planning

APPLICATION OF AI AGENTS

AI Agents impact stretches across industries, revolutionizing how we approach complex tasks and decision making processes.

HEALTHCARE

  1. Personalized Medicine
  2. Diagnostic Support
  3. Patient Mnitoring

FINANCE

  1. Algorithmic Trading
  2. Fraud Detection
  3. Risk Assessment

Manufacturing

  1. Quality Control
  2. Supply Chain
  3. Predictive Maintenance

SMART HOME

  1. Energy Management
  2. Security Systems
  3. Climate Control

Benefits of AI Agents

Benefits such as cost saving to enhanced decision making capabilities often extend beyond the initial implementation goals, creating unexpected positive outcomes.

BENEFIT EXPLANATION EXAMPLE
Efficiency and Productivity AI agents improve operational workflows by automating repetitive tasks and processing information at machine speed Customer service teams currently handle greater volumes of inquiries by deploying AI Agents to address common questions, letting human agents focus on complex cases
Data Driven Insights AI Agents excel at uncovering patterns in massive datasets that humans might miss Healthcare AI agents detected subtle patterns in patient data that helped identify at risk individuals before symptoms appeared

Challenges in implementing AI Agents |

  • Ethical Considerations: The increasing autonomy of AI agents raises important ethical questions.

  • Security and Privacy: Owing to AI agents handling more sensitive information protecting data becomes increasingly important.

Key Considerations to include:

  • Implementing robust data encryption

  • Managing access controls effectively

  • Protecting against potential security breaches

BUILDING AN AI AGENT

There are two main ways to building an AI agent. The best choice depends on your background and what you are hoping to create.

  1. Low code/ No code tools

This approach is perfect for people who do not have much pro experience but intend to build something powerful.

Platforms such as n8n, FlowiseAI, bubble, Replit help design AI agents visually.

The approach is fast, user friendly and great for a quick setup.

However there are tradeoffs such as:

  • Subscription fees

  • Frustrating errors due to lack of full control visibility of what's going on.

  • Harder to customize deeply when relying on a prebuilt system.

  1. Code your agent from scratch

This approach encompasses flexibility, it is not tied to a platforms limitations and pricing.

You get to understand how everything works under the hood.

There are great python frameworks available that make the process easier.

  • Langchain: Most well known for building LLM based apps.

  • CrewAI: Great for simulating collaborative agents with specific roles.

  • Microsoft Autogen: A framework for building AI agents and facilitating cooperation among multiple agents to solve tasks.

  • LLama Index: Ideal if your agent is too work with alot of documents and extract context intelligently

  • OPENAPI Agent SDK: Enables you to build agentic AI apps in a lightweight, easy-to-use package with very few abstractions

Future Trends and Conclusion

AI agents are transforming the way humans interact with technology by enabling autonomous decision-making, problem-solving, and seamless task execution. As they continue to evolve, AI agents hold the potential to drive innovation across industries, fostering greater efficiency, collaboration, and intelligence in everyday systems.

AI Agents are becoming central to the IOT ecosystem therefore creating smarter and more responsive environments hence enabling devices to communicate and coordianate actions automatically. improving efficiency and user experience.

Top comments (1)

Collapse
 
iamisaackn profile image
Isaac Kinyanjui Ngugi

Very educative