When an aircraft accident happens, investigators do not ask the pilot to remember what happened. They rely on the flight recorder. As AI agents become increasingly autonomous, accessing sensitive data, calling tools, delegating to other agents, and acting on our behalf, they are going to need the equivalent.

This idea is starting to gain traction. Researchers and security teams are exploring hash chained, tamper evident audit trails that can answer questions ordinary logs cannot. Because when something goes wrong, “check the logs” is not enough. Logs are invaluable, but depending on how they are managed, they can be modified, deleted, or may not capture the full chain of decisions. That is different from independently verifiable evidence.

So the more interesting question is no longer whether AI agents need a flight recorder. It is what makes one trustworthy. A few things matter most.

External anchoring

If one organisation controls the entire record, it also controls the evidence. Verification should extend beyond a single operator.

Delegation provenance

Not just what an agent did, but who authorised it, on whose behalf, and whether delegated permissions stayed within the user's original consent across every hop.

Evidence over assertions

It should be possible to independently verify what data was accessed, which tools were called, what actions were taken, and why.

With regulations placing greater emphasis on AI governance, traceability, and record keeping, building these capabilities before they are mandated could become a competitive advantage, not just a compliance exercise.

Connecting AI to data is becoming easy. Proving what happened after access may become the harder engineering problem.

If you are running AI agents in production today, how are you making their actions provable, not just observable?

The image above is the diagram published with the note. It sets out a recorder that captures identity, data, purpose, time, action, and delegation, and a path from the user through a control layer, the agent, and delegation, with authority passed within limits.

The views expressed are the author's own and do not represent those of any employer or affiliated organisation.