96% were photographs of paper. The exact diagnosis was recoverable on one claim in ten. The whole book cost under $25 to read. What a real claims corpus teaches you about automating one.
A confirm prompt is not a feedback loop. It asks a human to predict the result of an edit they cannot see. Here is what replaced it, and the day we found out the agent had been working blind the whole time.
The Model Context Protocol turned your server into an OAuth resource server, and that one reclassification moved the setup work off the user. They paste a URL, sign in the way they already do, click Authorize. Here is the handshake, what it costs to build, and the five things that silently break it.
It arrives with an external scan already attached, and every yes commits you to producing a document. Here is what the auditor checks, the controls that actually move the answer, and what to fix before you reply.
These two get compared because they cost about the same. They are not alternatives. One supplies decisions, the other supplies hands, and buying the wrong one is expensive in a way that takes about six months to become visible.
What custom software actually costs, how a project runs week by week, and the signs that custom is the wrong answer. With real price ranges instead of "it depends".
Tutorials stop at the first passing test. The work starts after that: tests that fail one run in three for no reason, screenshots nobody compares, a suite that logs in fifty times. Here is what we learned industrialising all of it.







