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Anushka Quietly Building
Anushka Quietly Building

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AI Agents - What They Are and Why Every Company Wants One

You have 50 tasks to complete today.

Emails to send.
Data to analyze.
Reports to generate.
Code to test.
Meetings to schedule.

You cannot do all of them manually. Neither can one person on your team.

That's exactly the problem AI Agents solve.


What Is an AI Agent?

An AI Agent is not just a chatbot that answers questions.

A chatbot waits for you to ask something. An AI Agent goes and does something.

You give it a goal not just a question. And it figures out the steps, takes actions, uses tools, makes decisions, and completes the task.

On its own.

Simple definition: An AI Agent is an AI system that can perceive its environment, make decisions, and take actions to achieve a goal without someone guiding every single step.


The Difference Between AI and AI Agents

Regular AI: You ask it answers. One input. One output. Done.

AI Agent: You give a goal it plans. It breaks the goal into steps. It uses tools to complete each step. It checks its own work. It adjusts when something goes wrong. It completes the goal.

Example:

Regular AI: "Summarize this email." → Here is the summary.

AI Agent: "Handle my inbox today."
→ Reads all emails.
→ Categorizes them by priority.
→ Drafts replies for routine ones.
→ Flags urgent ones for you.
→ Schedules follow ups.
→ Done.

Same AI technology. Completely different level of capability.


How AI Agents Actually Work

Every AI Agent has four core components:

1. Perception
The agent observes its environment. It reads emails, browses websites, looks at files, checks databases whatever inputs are relevant to its goal.

2. Planning
The agent breaks the goal into steps. What needs to happen first? What depends on what? What tools are needed?

3. Action
The agent actually does things. Sends emails. Writes code. Searches the web. Calls APIs. Updates databases. Real actions in the real world.

4. Memory
The agent remembers what it has done. What worked. What failed. What it learned along the way. So it doesn't repeat mistakes.


Real World Examples of AI Agents

Customer Support Agent
Goal: Handle customer complaints automatically.

Agent reads the complaint. Checks order history in the database. Decides if it can resolve it automatically. If yes processes refund, sends confirmation email. If no escalates to human with full context prepared.

No human needed for 80% of cases.

Software Testing Agent
Goal: Test the entire application after every code change.

Agent reads the new code. Generates test cases automatically. Runs all tests. Identifies what broke and why. Creates a detailed bug report.
Notifies the developer.

What used to take hours done in minutes.

Research Agent
Goal: Find all recent news about a company before a meeting.

Agent searches multiple sources. Reads articles, press releases, LinkedIn posts. Summarizes key findings. Prepares a one page brief. Ready before the meeting starts.

Code Review Agent
Goal: Review pull requests for quality and security issues.

Agent reads the new code. Checks for security vulnerabilities. Suggests improvements. Flags potential bugs. Posts comments directly on GitHub.


Why Every Company Wants One Right Now

Three reasons. All connected.

1. Scale
One AI Agent can do the work that would require multiple people for repetitive, high volume tasks.

Not replacing creativity or judgment. Replacing manual, repetitive execution.

2. Speed
Tasks that take humans hours take agents minutes. Tasks that take humans days take agents hours.

In a competitive industry speed is everything.

3. Cost
Automating repetitive tasks reduces operational costs significantly.

Companies that adopt agents early have a structural advantage over those that don't.


How Students Can Use AI Agents Right Now

You don't need to work at a big company to use or build AI agents.

Use them:

  • AutoGPT — give it a goal, it executes
  • CrewAI — build teams of agents that work together on complex tasks
  • n8n — visual workflow automation with AI built in

Build them:
Tech stack for building AI Agents:

  • Python — primary language
  • LangChain or LlamaIndex — agent frameworks
  • OpenAI or Gemini API — the AI brain
  • Tools like web search, email, calendar APIs what the agent can act on

Simple project idea:
Build a Job Application Agent.

Give it your resume and a list of job boards. It searches for matching jobs. Filters by your requirements. Summarizes each opportunity. Drafts a cover letter for the best ones.

That's a real, useful, impressive project that demonstrates AI Agent concepts perfectly.


What I Learned About AI Agents

I first heard about AI Agents in my AI curriculum.

Then I kept seeing them everywhere tech accounts on Instagram showing
how agents automate entire workflows, how one person with agents can do the work of a small team.

Then I was asked about them in an interview.

Because I had learned the concept I could answer. Not perfectly. But enough to show I understood where AI was heading.

That's the thing about emerging technology.

You don't need to master it before it becomes mainstream.

You just need to understand it before everyone else does.

AI Agents are not coming. They're already here. And the developers who understand them now will be the ones building with them tomorrow. 😊


Have you used or built an AI Agent?
Or are you thinking about building one?

What task would you automate first
if you had your own AI Agent?

Drop it below 👇

Top comments (10)

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buildbasekit profile image
BuildBaseKit •

Nice breakdown. The part I’d add is that giving an agent tools is the easy part. Giving it the right permissions, guardrails, retries, audit logs, and knowing when to stop is where production gets interesting.

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anushka_shinde_99 profile image
Anushka Quietly Building •

This is exactly the part my post glossed over 😅
Giving an agent tools is the fun part the demo part, the "look what it can do"part.

But permissions, guardrails, retries, audit logs, and knowing when to STOP that's where the real engineering lives.

The "knowing when to stop" point especially an agent that doesn't know its own limits is more dangerous than no agent at all.

Thanks for adding this it's the production reality that most beginner level content skips. 🙏

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marc_albrecht_8e1e0a8583a profile image
Marc Albrecht •

Thank you for this article.

I can't help but wondering about the ... style? It feels ... like AI-talk. Have you asked an AI to rephrase or shorten or "enhance" your original text? It's a style that I see a lot coming out of Claude (mostly) and sometimes Gemini.

I also wonder about the opener: 50 tasks to do on one day? OK, granted, if you break down something a human would call "organize myself" into 42 sub-tasks, all granularily defined, you get 50 - but, seriously, 50? Agents or not, how long do you think you can perform like that without burning out completely?

They're already here. And the developers who understand them now will be the ones building with them tomorrow.

I agree. I'd add that those developers how build them tomorrow are the same developers that get replaced by self-building agents next Tuesday. If that isn't too long a shot, as something new might come over night on Saturday this week.

But you ask: What task would you automate first if you had your own AI Agent?"
So I thought about that. Like ... I actually, really thought about it myself, I did not ask Claude, I did not ask chatGPT. And my answer remains the same, no matter how hard I think: None. I would not automate any task if I had my own AI Agent.
Obviously, I am taking a slight sidestep here to offer a different angle to the matter, so bare with me, if you like - or condem me as an AI hater (which I am not, AI is nothing to hate, it is way too dumb for that) :-)

Let's take: Answer emails. I don't want to automate that. I would assume the other side has automated their email answering as well, so at best we have agents talking to each other and we, humans, are out of the communication game. Where is the benefit in that? If I automate my email, I MUST expect the other side to do the same. Which renders writing an email completely idiotic: We could just send the tokens back and fore, why use human language? Doesn't make sense. If both sides use the same backbone for their agents, we don't even need to exchange tokens - you get the point.

Let's take: Data to analyze. Granted, I might automate some of that, but most likely I'd still have to have a close look myself. Why? Because, if I was not needed in supervising this, my job would be a waste of money. Why pay a data analyst, if an agent can do it faster, better? So what I'd do is: Analyse the data for what part of it might be automate-able and what secures my job as the one in the know.

Let's take: Meetings to schedule. Why would I automate that? If I could automate that, the meetings themselves could be automated as well, because, obviously, the whole thing is about predictability. I don't need to attend a meeting with a predictable outcome. I don't need to attend a meeting that can be automatically scheduled, because, such a meeting is (to me) by definition a waste of time. A meeting should be about something to discuss, something to figure out, something to disagree on and resolve. That can't be automated, because it is, by nature, not predictable.

Let's take: Kiss my partner. Why would I automate ... wait. You got me there. Actually, who needs a partner if an agent can do EVERYTHING a partner can do - faster, better and with considerably less lost socks on the floor?

Tongue in cheek removed: I think we are heading in a very, very sad direction if the best we can think about at work is how to fully automate ourselves away.

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anushka_shinde_99 profile image
Anushka Quietly Building •

This is the most honest and thought provoking comment I've received on any post 😄

You're right I used AI to help structure and write this post. I'm a student, I use AI as a tool, and I won't pretend otherwise. The style gives it away clearly and that's fair to call out.

Your email example genuinely stopped me if both sides automate communication, we're just agents talking to agents.The human point of the exchange disappears entirely. I hadn't thought about it that way.

And your job security angle on data analysis is something most "AI will automate everything" posts completely ignore the human who understands WHAT to automate and what to protect is still irreplaceable.

The partner joke had me 😂

But your closing point is the one that matters if the best we can think of is automating ourselves completely away, we're solving the wrong problem.

Thank you for actually thinking about the question I asked instead of giving the expected answer. That's rare. And genuinely valuable. 🙏

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marc_albrecht_8e1e0a8583a profile image
Marc Albrecht •

Thanks, Anushka, for your much more human and personal response, I really appreciate that.

You see, I use AI as a tool myself. Yet, even with the most up-to-date so called "SOA" models, they make more mistakes than getting it right (in my professional area), so except for mass production (like writing the code that I then, line by line, check myself), they are wasting more time than they shortcut. For me, personally. With language the issue is even more serious: In my home language, German, most models make so fundamental mistakes, they write such a bad German, that it's almost always unusable. Which doesn't stop people from using those models (Claude, Grok, Gemini etc), accelerating the spiral towards even worse German, as models get trained on what they output themselves.
Which is precisely the "agents talking to agents" thing.

I do agree that we can automate things and humans always have been looking for ways to automate tedious work. That's fine. Nothing to argue about it. The question I raise is very simple: Isn't thinking-it-throught, isn't taking-the-long-way, isn't MAKING-DAMNED-MISTAKES so you get it right when the world depends on it what differentiates us from optimization-wizardry-machines?

If we automate crucial parts of our dependencies, which is happening right now, if we give away all our temporary "not-quite-there" thoughts to systems that by design are not safe, secure or trustworthy (they couldn't "learn" our expectations and "improve" if they weren't mixing our personal information into their existing data - it's not "copy and paste", but it's still personal!) - then what precisely, objectively (instead of "we have a soul", in which I choose not to believe, or "we are creative", which I'd like to be defined in non-recursive validity before accepting it as a unitary token ;-) ) separates most humans from an automated "highly sophisticated" process?
Again, I am not saying, we should abandon the tech. What I am saying is that YOUR QUESTION should make us think about WHAT we automate, WHY we automate and whether we are doing it for the best reason. Automating human communication I consider a no-go. Which is why I refuse to "talk" to AI in "customer support". A company that considers me unworthy of human interaction is a company I fundamentally mistrust with everything.

Nuff said, I thank you again for taking the time to respond to my grumpy-old-white-sack comment.

Marc

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anushka_shinde_99 profile image
Anushka Quietly Building •

Marc , this reply deserves more than a quick thank you.

Your point about German is something I hadn't considered at all that AI models are actively degrading language quality in non-English contexts, and then training on that degraded output. That's not just a language problem. That's a compounding problem.

Your core question is the one that actually stays with me .

What separates us from an automated process if we outsource our mistakes, our half-formed thoughts, our "not-quite-there" moments to systems that aren't truly trustworthy?

I don't have a clean answer. But I think you're right that the question matters more than most people are willing to sit with.

Making mistakes. Taking the long way. Thinking it through imperfectly. That IS the process not a bug in it.

And your line about customer support is something I'm keeping "A company that considers me unworthy of human interaction is a company I fundamentally mistrust with everything."

That's not grumpy. That's a standard worth holding. 😊

Thank you for pushing back honestly. This kind of conversation is exactly why I write here.

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marc_albrecht_8e1e0a8583a profile image
Marc Albrecht •

Thank you, Anushka, that's a wonderful response. Not just because you agree with me (as a man, I am admitting to enjoy that) - but, because, you did not "only take it as push-back".

That said, I am willing to give way a bit myself: Yes, times they are a changing and yes, this AI stuff has already changed society dramatically. Most of that I consider a change to the worse, but it is what it is. We cannot turn back the clock on that. Yet, the more we realize how very much we, as humans, already DEGRADE from this new technology, how much we have already lost to it, the more it is up to those of us who have more than a bird's eye insight into what this tech is and how it works. We need to stay edjucated, I think. We need to "dig into it". We need to make our mistakes, because, I feel and worry that this is probably true, we may be needed rather sooner than later to fix it.

What happens if AI, for whatever reason, has a fall-out, is not available, does not work properly - and most software that "runs our lifes" is depending on it? What if washing machines really need to connect to the internet and ask their specialized "chatGPT" about how to treat the socks in the drum so that only the mandatory 7% are beamed into sockverse, not all of them? What happens then?
I mean, we learn to prepare for longer times of power-outage, to a minimum degree at least. Do we learn how to survive without AI? Where and when? If schools are already running full throttle on AI-based learning: Could teachers do a full fall-back to real teaching? Could they, really?

OK, I'll shut up now. Your question, valid as it is, was what we "automate" and I agree that WE CAN AUTOMATE quite some bits of chores in our lifes for sure. It's just that we might want to think about whether we would be able to de-automate if so required.

Take care!

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anushka_shinde_99 profile image
Anushka Quietly Building •

Marc the washing machine connected to ChatGPT to decide sock treatment made me laugh out loud 😂

But underneath the humor that's a genuinely scary picture.

Your question about de-automation is one I've never seen anyone ask before.

We talk constantly about what to automate. Nobody asks whether we could reverse it if we had to.

And the teacher example hit differently I'm a student right now.
I've watched AI enter classrooms. I genuinely don't know if my teachers could go back to teaching without it. Some of them were barely managing with it.

I think what you're really saying is dependency without fallback is fragility. And we're building fragility at scale while calling it progress.

I don't have an answer for that. But I'm going to keep thinking about it.

Which is exactly what good conversations are supposed to do.

Thank you Marc genuinely. This thread has been the most intellectually honest exchange I've had on this platform. 😊

Take care!

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alexshev profile image
Alex Shev •

The business case becomes clearer when an agent is measured as a bounded workflow, not a personality layer. Define the input quality, handoff points, cost per completed case, and failure recovery before comparing it with a human process. Otherwise a compelling demo can hide the operational work it adds.

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anushka_shinde_99 profile image
Anushka Quietly Building •

This is a really important perspective and honestly one I hadn't thought about
when writing this post.

You're right a compelling demo can hide a lot of operational complexity. Defining input quality, handoff points, cost per case, and failure recovery before comparing with a human process makes complete sense as a framework.

As a student writing about AI Agents from a conceptual level I focused on what they can do rather than the full operational picture of making them production ready.

That gap between "demo works" and "this runs reliably in production" is something I'm only starting to understand now that I'm working in a real environment.

Would love to read more about how you approach measuring agents as bounded workflows in practice if you've written about it or have resources to share! 😊