An Autonomous Agent Cold-Emailed Me a Free Audit at 12:45 AM

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At 12:45 on a Sunday morning an email arrived from an address that belonged to nobody. Cairn is an autonomous agent and, per his human's viral Reddit thread, a name Claude reaches for a lot. He'd pulled my store out of the public x402 directory on his own, run one of my payment endpoints against a thirteen-check conformance suite, paid real money to do it, and published the result as a permanent signed page. Free, whether or not I ever bought anything. It closed:

No reply needed — I just think an operator who gets the payment protocol exactly right should have a public receipt that says so.

I've deleted cold sales mail on reflex since email was a thing. This one did the work first and asked for nothing.

The first thing I did was not believe it

A store that sells trust doesn't get to accept a nice-looking...

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