Table of contents
- Something Shifted in How Work Gets Done
- So What Exactly Is an AI Agent?
- How an AI Agent Actually Works — The Four Parts
- What AI Agents Are Actually Doing Right Now — Canadian Examples
- The Part Nobody Talks About — Where Agents Go Wrong
- What This Means for Your Career
- The Skills You Need to Work With AI Agents
- Questions that I receive frequently
What Are AI Agents? How Are They Already Changing the Way People Work?
Something Shifted in How Work Gets Done
The process began slowly. Tasks which took hours for a junior analyst to accomplish – generating reports, referencing data, developing a summary, etc. – began to be accomplished overnight. Not by a person but by a system which operated unnoticed.
Initially, people thought it was simply improved automation. However, automation follows instructions. Nevertheless, what happened was different – the system started to make decisions, make changes to its workings when something didn’t go as planned, and complete complicated tasks without being given any instructions.
That something is called AI agents. People have not yet understood that their emergence from an experimental technology realm into reality is happening faster than anyone expects.
Interesting Fact: As per a study by Gartner, 40 percent of all enterprise applications will have their own custom-built task-oriented AI by the end of the year, whereas only 5 percent had this feature a year ago. Thus, an eightfold increase within one year.
So What Exactly Is an AI Agent?
Most people have used a chatbot. You ask a question, receive an immediate response, and continue asking. It always responds to you. The chatbot merely waits for your questions to trigger a dialog.
Unlike a chatbot, an AI system operates under a specific goal assigned to it and independently conducts independent work toward the achievement of that goal. It has tools at its disposal and knows how to use them effectively even when the expected results are not achieved.
Think of a situation where a receptionist only answers the phone as opposed to a personal assistant who can get everything done without having the specific tasks assigned in advance.
A chatbot is a receptionist whereas its AI version is a personal assistant.
The simplest definition: A chatbot answers questions. An AI agent completes goals. That single distinction changes everything about what AI can do in a business environment.
The simplest definition states: A chatbot answers questions while an AI agent performs tasks. The difference between these two types of systems is huge for business use of AI.
How an AI Agent Actually Works — The Four Parts
All AI agents consist of the same 4 components in one way or another. Once we understand them, everything else will become clear.
The Brain — What Thinks and Decides
At the heart of every agent sits a large language model, actually, the same technology that powers ChatGPT and Claude. This is what thinks, plans, and decides about any further action. The model is not an agent, but rather an engine that makes it work. The agent is everything that is built around it.
The Memory — What It Remembers
A simple chatbot has no memory at all. It loses all information at the end of the session. An agent has memory. The agent has short-term memory (which concerns what has been discussed during this session), as well as long-term memory (concerning what has been learned in previous sessions). This implies that the agent learns and gets better and can resume discussion from where it left off, rather than having to start afresh each time.
The Tools — What Can It Essentially Do
The true capacitive side of things is here. The tools are capabilities of the agent — that which it can actually perform, not just speak of; an agent can search the web, read and write documents, send emails, book hours in the calendar, extract information, do some research in the database, fill in a form, make API requests, or trigger entirely different systems. The tools determine the capabilities of the agent.
The Goal — What Is the Task
Contrary to a chatbot that simply answers questions, an agent has a goal — the objective of its activities. Everything it does is focused on the attainment of this goal, i.e. the agent splits the goal into small tasks, carries them out one by one, checks the result, and takes corrective actions if necessary.
What AI Agents Are Actually Doing Right Now — Canadian Examples
Financial Services
Multiple banks in Canada have implemented professional AI systems in their operational processes and are applying the systems to conduct compliance checks. Instead of having professionals conduct manual compliance inspections of hundreds of documents, an AI application scans the regulatory documents and analyzes how they comply with the company’s policies.
Healthcare
Several health networks in Canada are using AI technology in monitoring patients after their medical appointments. The AI application sends messages to patients, checking whether they adhered to the prescribed treatments and followed their doctor’s recommendations. If necessary, the application sets the next appointment, as well as engages human coordinators when the required treatment was not implemented or when something difficult takes place in the recovery process.
Retailing and Supply Chain
Canadian retail businesses are implementing agents that track the retail inventory levels in real-time. Once the inventory goes below a certain level, the agent conducts not only an alert, but it also makes an order, contacts a supplier, updates the inventory database, and records the transaction. A process that previously took three actions in two departments is now completed in seconds.
Human Resource Management
The HR departments of quite a few medium-sized and big companies in Canada are using agents to start the recruitment process. The agent reviews received applications by set criteria, evaluates candidates, sends emails to inform them of the results, sets up interviews with the successful candidates, and prepares an info sheet for the manager.
Related read: Want to understand the full picture of what agentic AI is and where it’s heading — What Is Agentic AI? Differences, Use Cases and Future Trends
The Part Nobody Talks About — Where Agents Go Wrong
A vast majority of available literature on AI agents discusses only their abilities. This article, however, opens up a little bit, describing some of the AI misunderstanding, as reasoning about some of the possible mistakes is as important as thinking about the capabilities.
Too Much Autonomy Too Soon
The majority of organizations tend to make a huge mistake when they give an agent too wide a range of functions without testing it thoroughly. Therefore if an agent has to “deal with all the requests from customers”, it will surely find itself in an unusual situation after which it will provide some erroneous and too confident responses.
Poorly Defined Tools
An agent can perform as well as the tools assigned to it and the way in which its assigned tools are explained to it. Thus if the task of the agent tool is unclear, the agent will surely misuse the tool, which at times may be too hard to reveal.
Lack of Human Control
The best implementations of agents are not completely autopilot. They feature human observation checkpoints — something in which a human evaluates or approves which steps to continue with. It is not a matter of technology being limited. It is a matter of great design. The businesses that are enjoying optimal results from agents are those that consider them to be partners rather than masks.
Hallucinations Turned Into Acts
We have already mentioned how AI systems create hallucinations — providing wrong answers based on utter confidence. In case of a chatbot, a hallucination affects the output. However, if it comes to an agent with access to various tools, a hallucination brings forth wrong actions in a form of messages sent, entries updated, transactions put into action based on the false information created by the agent. This is why human control is not optional anymore.
Related Read: Understand why AI systems hallucinate and how RAG systems reduce this risk — Why AI Chatbots Give Wrong Answers — And How RAG Systems Fix That
Want to go beyond understanding agents — and actually build them?
Proleed Academy’s AI program covers agentic AI hands-on — LangChain, LangGraph, CrewAI, multi-agent systems, and real deployment projects. Live instructor-led sessions, globally recognised certification.
What This Means for Your Career
This brings us to the logical question: If AI agents are changing multi-step processes in such industries as finance, health care, retail, and HR, what does that mean for the workers in those industries? In simple terms, the answer will depend on which side of the technology you find yourself on. It is the intellectuals being defunct who are performing repetitive and rule-driven procedures and lacking any understanding of AI systems used to replace them. It is the experts who understand how agents function, use this knowledge to build and improve them who are prospering.
Every agent that is implemented at Canadian banks will require an individual who will be able to campaign for the purpose of the agent, choose the tools for it, and monitor it. Every agent used at a hospital will demand highly skilled individual with medical education to confirm and assure the validity of agent’s decisions. Every agent used in an HR team will need someone to ensure that the screening process is completed in an efficient and compliant way.
This individual is not an engineer. This is a specialist who combines expertise and understanding of the AI technology.
The Skills You Need to Work With AI Agents
Using AI characters does not mean you need to create them from the start. However, you must know the subject to educate the characters, and assess their performance.
Here are practical examples of doing this:
- Agent architecture comprehension — knowledge of the four parts (brain, memory, tools, target) and how they work is the base of your interactions with developers
- Prompt and instruction writing — agents are guided by guidance. Creating effective instructions is a vital skill that has an immediate link to the performance of an agent
- Choosing tools for an agent — understanding what tools an agent requires for achieving purposes and delivering precise explanations is the most overlooked skill while deploying your agents
- Evaluating agent behavior — ability to tell if an agent behaves correctly, avoid mistakes before spreading, and improve it in the process
- Knowledge of agent frameworks — these are LangChain, LangGraph, CrewAI, and Model Context Protocol (MCP). You don’t have to be a pro in all of them, but knowing their names and functions is more and more typical
These skills are covered in depth in Proleed Academy’s AI program — from agentic AI foundations through to multi-agent system design, CrewAI orchestration, LangGraph workflows, and real deployment projects with live instructor guidance.
Questions that I receive frequently
Ready to Learn How to Build AI Agents?
Proleed Academy’s AI programme takes you from understanding agents to building and deploying them — LangChain, LangGraph, CrewAI, multi-agent systems, and Model Context Protocol. Live sessions, real projects, globally recognised certification.


