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Jurriën Kerstholt

Agentic AI in Plain Language: From AI That Answers to AI That Acts

Most people use AI the way they use Google. You ask a question, you get an answer, you do something with it yourself. Convenient, but it only saves you time when you're actively at your screen.

Agentic AI is a different story. The difference lies in one word: doing. A chatbot waits for you to ask something. An agent is given a goal and gets to work autonomously, step by step, with real tools, until the goal is achieved. Compare it to the difference between a good intern who waits for assignments and an experienced employee whom you simply tell the end goal.

In this post, I explain what agentic AI is, its core components, and what you can concretely do with it. With seven examples from various parts of the workday.

What Exactly Is Agentic AI?

An AI agent is software that combines three things: a language model (the brain), tools (the hands), and a goal (the task). The agent thinks, chooses a tool, performs an action, observes the result, and continues until the the task is complete. This loop behavior is the crucial difference. Not a one-question-one-answer interaction, but a workflow that self-corrects.

Imagine: you ask a chatbot "what are my three most important emails today?" It can't do that because it doesn't have access to your inbox. Ask an agent with Gmail access, and it opens your inbox, scans the messages, assesses urgency, and provides you with a list with justification. And if you then say "send a short confirmation on the second one that I'll reply tomorrow," it will do that too.

The Four Ingredients of an Agent

Every agent, however simple or complex, has the same building blocks.

First, a language model that reasons and decides. That's the Claude, GPT, or Gemini under the hood.

Second, tools: concrete connections to systems. Think of your email, your CRM, your accounting software, a browser, a database. Without tools, an agent is useless.

Third, memory: the ability to maintain context between steps, and preferably also between sessions. An agent without memory starts from scratch every morning, and that shows.

Fourth, a goal with a loop: an instruction ("ensure all my received invoices are in the accounting system today") and the capability to keep working until that is true.

Only when these four things come together do you have agentic AI. A chatbot only has the first. A copilot like Microsoft Copilot is somewhere in between: it can suggest actions but usually waits for your click.

Seven Practical Examples

1. The Inbox Analyst

Every morning at quarter to eight, an agent scans your Gmail. It sorts new messages into four categories: action required from me, for information, can wait, noise. For the first category, it immediately drafts replies. You start your workday with ten ready-made drafts instead of a hundred unread emails.

2. The Lead Enrichet

A form comes in via your website. Within two minutes, an agent has checked that person's LinkedIn, scanned the company's website, written a brief, and added it to your CRM. Including two targeted conversation starters. You call prepared instead of cold.

3. The Content Multiplier

You publish a blog post. An agent automatically creates five LinkedIn posts from it, covering different angles (problem, contrary stance, example, question, summary), schedules them over two weeks, and prepares a short newsletter version in your email tool for review.

4. The Invoice Processor

A supplier emails an invoice to your administration address. The agent reads the PDF, extracts the data, links it to the correct purchase order, checks if the amounts are correct, and books it into your accounting package. If in doubt, it places it in a "human eye needed" bin with an explanation why.

5. The Competitor Monitor

Every Monday morning, an agent visits the websites of your five main competitors, compares them with the previous week, and sends you an email detailing what has changed in pricing, proposition, and blog content. Plus an interpretation: where is the market moving.

6. The Reporting Builder

Friday at four o'clock, an agent pulls data from Google Analytics, Meta Ads, and your CRM, compares it with the previous week and the quarterly goal, and prepares a one-page report. Not just numbers, but also three observations and a recommendation. Your Monday morning MT meeting starts with insights, not data digging.

7. The Product Launcher (e-commerce)

You add a new product to Shopify or WooCommerce with only basic data and a few photos. The agent writes the product description in your brand style, generates SEO title and meta description, adds alt-text to each image, chooses the correct categories and collections, and prepares three social posts to announce the launch. For webshops with regularly new SKUs, this shifts a workday per week to two minutes per product. A variation of this daily monitors your top-50 product pages, identifies which ones are underperforming in conversion, and suggests concrete adjustments based on what works for the top performers.

What all these examples share: these are tasks you currently do manually or not at all because they are too time-consuming. Agentic AI shifts that threshold.

Why This Is Only Now Truly Possible

Three things have come together in the last two years. Models can plan and reason better. Connections to systems (think of MCP, the protocol through which AI communicates with your tools) have become standard. And the cost per action has dropped to a fraction of what it once was. A year ago, an agent processing a hundred emails was a developer's experiment. Today, it's something an entrepreneur can set up themselves in an afternoon.

Where It Goes Wrong

I see three common mistakes made by companies starting with this. They give an agent too many tasks at once instead of one clear one. They let an agent work fully autonomously without checkpoints, and are then surprised when it does something foolish in week three. And they start with the most complex processes instead of boring, repetitive tasks where the benefit is immediately visible.

The correct order: choose one well-defined task where you know how much time it costs, build with a human-in-the-loop, and only scale up when it has been running stably for two weeks. Start with annoyances, not dreams.

How To Start Today

Grab a notepad and write down three tasks that cost you at least an hour this week and required little cognitive effort. That's where your first agent lies. Not in strategic issues, but in the inbox, reporting, lead follow-up. That's where agentic AI proves its value, and that's where you build the confidence to take the next step.

The biggest shift of the coming year is not in smarter models. It's in companies that stop using AI only to get answers and start using AI to get work done.

Prefer not to set it up yourself?

At High Performing Company, we do this for entrepreneurs, SMBs and larger organizations. We build agents with human checkpoints, logging on every action, and an onboarding period where a human supervises before the agent runs autonomously. No black box, but predictable execution.

Agentic AI: the process, how we work, management after go-live, business FAQ.

AI Agents: the technical structure, agent types with integrations, example stack, technical FAQ.

Schedule a 30-minute call where we together determine which task in your company yields the most benefit to automate first.