The agent had permissions. The logic was sound. The action matched its training.
But something went wrong.
You ran the incident review and hit a wall. The postmortem template asks: What errored? What logs triggered? What access did it have? None of those questions have answers because nothing technically failed. The agent made a decision. It was confident. It was wrong.
The real answer sits somewhere between what the agent knew and what it assumed. You couldn't tell which was which.
A human operator makes a mistake. The system logs it. You investigate the log. You find the error. You fix the code.
An agent decides on incomplete information. No error fires. No permission denies. The agent just acts.
Postmortem templates don't have a field for this. They ask about technical failures, not design gaps. They ask what broke, not what was never defined in the first place.
Your template was built for systems where failure means something went wrong. With agents, failure often means nothing was specified to begin with.
The agent behaves exactly as trained. It takes the information in front of it and makes the best decision possible with that information.
You assumed it would ask for what it needed.
It assumed it had enough.
Neither of you wrote down what enough meant.
That gap is not a random failure. It is a design failure. And design failures don't show up in logs. They show up in fallout that nobody can fully explain.
The agent didn't know something existed because you never told it what it needed to know before it was allowed to decide.
A context specification is simple. It's a list.
Write down the minimum set of inputs the agent must have resolved before it is permitted to act. Not inputs it should have. Inputs it must have.
If any of those inputs are missing or unresolved, the agent stops. It doesn't infer. It doesn't guess. It escalates or waits.
Make incomplete context a hard stop, not a gap the agent fills on its own.
This is not complexity. This is clarity.
An agent approving a transaction needs the account status, the transaction amount, and the account holder's current spending limit. If any of those three are missing or stale, it doesn't approve. Period.
An agent responding to a customer request needs to know whether the customer is on a contract, what the contract says, and whether the request falls within scope. If any of those are unavailable, it doesn't respond. It escalates.
Write this down before the agent goes live.
Ownership becomes clear. Someone owns keeping the context specification current as the operation changes. Not ownership of the agent. Ownership of the specification.
Visibility shifts. You stop asking "why did the agent do that?" after incidents and start asking "what context was the agent missing?" before deployment. Incomplete context becomes a catchable condition, not a postmortem mystery.
Decision rights change. The agent doesn't decide whether it has enough information. You decide that, ahead of time, in writing. The agent executes against your specification.
When something breaks, the postmortem has teeth. Either the agent violated the specification (fix the agent) or the specification was incomplete (fix the specification). There is no third option of "the agent had the right permissions but acted on assumption."
You probably read Debugging Agent Failures When There's No Stack Trace and learned how to log what an agent knew at decision time so you could investigate after something went wrong.
This is different. This is about specifying what an agent must know before it is allowed to decide, so the failure condition gets caught before the agent acts.
One is recovery. This is prevention.
Acrein Group builds and runs agentic operations across its own portfolio. The pattern it keeps seeing is not bad agents or bad permissions.
It's agents deployed without a defined context floor.
The operator assumed the agent would ask for what it needed.
The agent assumed it had enough.
Nobody wrote down what enough meant.
Then something broke and nobody could explain why.
The next time your agent acts on incomplete context, you'll know exactly why. Because you'll have defined what complete context looks like, made it explicit, and made missing inputs a guard rail instead of a mystery.
Acrein Group designs and runs agentic operations across its portfolio. Context specification is where it starts.
The right conversation at the right moment changes everything. Let's have it.
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