What Is Human In The Loop?
Human in the loop: Human in the loop (HITL) means a person stays involved at set points in an AI system’s work, reviewing, correcting or approving before results take effect. IBM describes the goal as getting the speed of automation without giving up human judgment and accountability.
What It Looks Like With An Agent
The agent does the work up to the point of no return, then stops. It drafts the reply but doesn’t send it. It fills in the payment form but doesn’t press Pay. You see what it plans to do and approve, edit or reject it.
Which Actions Should Wait
OWASP’s security guidance for AI apps says a person should approve high-impact actions, and uses posting to social media as its example. A practical line for a small business: anything that leaves the building (emails, posts, messages), anything that moves money, and anything you can’t undo (deleting, cancelling).
Avoiding Approval Overload
If you approve everything, you’ll soon click yes without reading. Let the agent read, sort, look things up and draft freely, and save approvals for the few actions that matter. Reviewing a batch of drafts in one sitting is faster than one at a time.
Where The Law Comes In
The EU AI Act requires that people overseeing high-risk AI systems can override them and stop them. Most everyday office uses aren’t “high-risk” in that legal sense, but the habit is sound for any business.
Side By Side
| Area | Usually fine to let run | Usually worth approving |
|---|---|---|
| Read, label and draft replies | Send | |
| Money | Look up invoices, prepare a payment | Pay, send money back or transfer |
| Records | Add notes, update fields | Delete or merge |
| Public posts | Draft a post or a review reply | Publish |
| Calendar | Suggest times, hold a slot | Send invites to customers |
Worth Remembering
- The agent works up to the point of no return, then waits for you.
- Approve what leaves your business, moves money or can’t be undone.
- Approving everything leads to rubber-stamping; keep the list short.
- Security groups like OWASP recommend it for high-impact actions.
In Octopus Prime
In Octopus Prime, sending, publishing, deleting and moving money wait for your OK by default. You can step in or take over the agent’s browser at any point, and one button stops every agent.
From $10/month 30 days free No credit card
Questions
Doesn’t approving things defeat the point of an agent?
Only if you approve everything. Approve the few actions that leave your business or can’t be undone, and let the rest run.
What’s the difference between “in the loop” and “on the loop”?
“In the loop” means the AI waits for a person at set steps. “On the loop” means it runs by itself while a person watches and can step in.
Is human in the loop required by law?
For certain high-risk AI uses in the EU, human oversight is required. For everyday office tasks it’s good practice rather than a legal rule; this isn’t legal advice.
Can the agent learn from my edits?
It depends on the tool. At minimum, save your corrections as written instructions the agent reads next time.
AI agents that work in your apps. On computers you own.
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