What Building an AI Contract Review Tool Taught Me About Trust, Tone, and Starting Narrow

When people first hear about an AI tool for reviewing work contracts, the reaction is usually something like: “That sounds straightforward. Upload a contract, extract the text, ask the model to explain it.” In practice, it’s not straightforward at all. Building WorkContractReview.com has taught me that contract review is one of those product categories that looks simple from the outside, but gets complicated the moment you try to make it reliable for real users. A contract is not just text. It is risk, context, ambiguity, and user anxiety packed into a PDF. And that changes everything. The first lesson: start with one contract type One of the biggest mistakes you can make when building an AI product is assuming that similar-looking tasks are actually the same task. At first glance, employment contracts, freelance agreements, NDAs, consulting agreements, and offer letters all feel close enough that a single generalized workflow should handle them. That assumption breaks fast. Each docum