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What is an AI Agent? A Plain-English Guide for Contractors

Yuli Shao

Member of Technical Staff

Every software company is talking about "AI agents" right now. If you run a contracting business, you've probably wondered what that actually means, and whether it's something you need.

Here's the short version, in plain English: what an agent is, how it works, how you stay in charge, and why it matters for the way you run your business.

What is an AI agent?

A chatbot gives you answers. An agent gets things done.

Ask a basic chatbot how to follow up on an estimate, and it'll give you some advice or draft a message for you to send. Useful, but the work is still on you.

Give an agent the same job, and it can find your open estimates, check each customer's history, and prepare the follow-ups for you. Think of it as a digital crew member that takes action, not one that just makes suggestions.

How do you give it work?

You don't need perfect prompts. Just start talking.

Tell your agent what you need, the same way you'd tell a crew member. If something's unclear, it can ask a few questions before it gets to work. A conversation might go like this:

You: "Help me follow up on old estimates."
Agent: "Sure! How old? And would you like to approve the messages first?"
You: "Over a week. Let me review before sending."

Start with the goal. Your agent helps you figure out the rest.

How does it know your business?

A good crew member needs to know how your business runs, and so does an agent.

Think of your company's binder: your pricebook, customer records, service areas, and past conversations. With access to that information, an agent can look up what it needs instead of making you explain everything from scratch.

It can also remember your preferences, like keeping customer messages short and friendly. And if an important detail is missing, it can ask you.

How does it get things done?

You don't have to walk it through every step. Your agent can work out the steps on its own and use the right tools to finish the job.

For those estimate follow-ups, it can:

  1. Find estimates that are waiting for a response.

  2. Check previous conversations with each customer.

  3. Figure out who needs a follow-up.

  4. Prepare the messages using your business software.

Like any crew member, it needs the right information, tools, and instructions to do the job well.

How do you stay in control?

You set the rules. Your agent gets to work.

  • Set a routine: "Check open estimates every Friday."

  • Set a rule: "Never offer a discount without asking me."

Your agent can handle recurring work automatically and bring anything that needs your approval to you. You can review it, make changes, or give the green light.

You're still the boss.

Why should contractors care?

More gets done, even while you're busy doing the actual work.

  • Admin on the go. Handle business tasks without heading back to the office.

  • Repeat work on autopilot. Keep up with estimates, invoices, and customer follow-ups.

  • Fewer things fall through the cracks. Stay on top of customers and opportunities that might otherwise get forgotten.

You don't need to become an AI expert. Start with one job you'd gladly hand off.




Build your legacy Onsite

Onsite is a software and AI company reimagining how the trades run. We’re building a future where contractors can spend more time on the work that matters — fixing, building, and maintaining the world around us, while trades-informed agents handle the rest.

© Onsite

2026

Build your legacy Onsite

Onsite is a software and AI company reimagining how the trades run. We’re building a future where contractors can spend more time on the work that matters — fixing, building, and maintaining the world around us, while trades-informed agents handle the rest.

© Onsite

2026

Build your legacy Onsite

Onsite is a software and AI company reimagining how the trades run. We’re building a future where contractors can spend more time on the work that matters — fixing, building, and maintaining the world around us, while trades-informed agents handle the rest.

© Onsite

2026