Canceling the Agent Won't Give You the Old Process Back
Phil Bolton · July 20, 2026 · 3 min read
A founder I work with pulled the plug on her AP automation agent last quarter. Fourteen months in, the vendor bill had drifted up at every renewal, the touchless rate had stalled around 70%, and the board wanted the line item gone. She budgeted the cancellation as a savings. Turn it off, drop the subscription, move on. Three weeks later she was paying a temp agency to code invoices by hand and calling me to ask where her process went.
She'd made a reasonable decision on bad math. The cost of running the agent was on a screen in front of her. What it would cost to no longer have it wasn't on any screen at all.
Cancellation is the base case now
Gartner expects more than 40% of agentic AI projects to be scrapped by the end of 2027, blaming rising cost, murky value, and thin controls. Set aside whether that exact figure holds. Treat it as the base rate. If you're running three agents, plan for one of them not to make it. Cancellation isn't the rare failure you guard against. It's an ordinary outcome, and you should be planning for it the day you sign, not the day you quit.
You didn't pause the old way. You deleted it.
When you deployed the agent, you didn't keep the two AP clerks running beside it for safety. You reassigned them. That was the point. The reassignment was the savings that justified the whole project. So when the agent goes, there's no bench to fall back on. The people are gone or buried in other work. Fourteen months of coding logic lived inside the tool and got written down nowhere. Your documented process is now a login screen you've stopped paying for.
A human who resigns leaves two weeks of handoff and a filing cabinet. A canceled agent leaves an API key that stops working and an export you may not have known to pull.
Deploying an agent is reversible only if you keep the thing it replaced alive. Almost nobody does, because keeping it alive is exactly the cost the automation was sold to remove.
Build the exit before you sign
Before the pilot starts, ask what turning it off actually looks like. Can you export every decision rule, vendor mapping, and historical record in a form your own team can read without the vendor's help? Who runs this work the Monday after cancellation, and have they touched it in a year? What does ninety days of manual coverage cost while you rebuild or re-shop? Put a number on each answer now, while you're calm, not later when a renewal invoice is forcing the call.
None of this is an argument against automating. It's an argument against automating something you can't afford to lose. Run the pilot. Just don't let the process underneath it vanish so completely that switching off the agent costs more than the agent ever did.
The vendor's easy to cancel. The operation you rebuilt around it while it ran is the part that doesn't come back on.

Phil Bolton
Founder & Principal at Manitou Advisory
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