In year two of freelancing I signed a client contract without fully reading the IP clause. It assigned 'all work product, ideas, and concepts discussed in relation to the project' to the client. Twelve months later I went to reuse a workflow I'd built independently and realized it was — technically — theirs. Nothing came of it, but the cold sweat was real. That contract turned me into a person with a genuinely unhealthy interest in indemnification clauses, and a hard rule: never sign anything I haven't triaged first.
The trouble with that rule is triage itself. A $2,000 gig with a two-page agreement does not justify a $500 lawyer review — the legal fee would eat a quarter of the project. A $40,000 retainer absolutely does. But for everything in between, I needed a fast, cheap way to know which clauses deserve real attention and which ones are just legal background radiation I can safely skim. That gap is the exact job this prompt does, and it's the most-used prompt in my entire library.
Why Claude Sonnet 4.6, and why the four buckets
I run every contract through the Contract Red-Flag Spotter for Faster, Cheaper Lawyer Review prompt with Claude Sonnet 4.6 before I even read it myself. Sonnet is fast, cheap enough to run on a $1,500 contract without flinching, and genuinely strong at long-context reading — it holds the whole agreement in view and cross-references clauses against each other instead of judging each one in isolation. That last part matters more than it sounds: a limitation-of-liability clause means something completely different depending on what the indemnification clause says three pages later, and Sonnet actually connects them.
The output sorts everything into High Priority, Medium, Standard/Acceptable, and Missing Clauses. Everyone assumes the red flags are the valuable part. Honestly, the 'Standard / Acceptable' bucket saves me the most time day to day — it tells me which five pages I can read at a jog because they're boilerplate that's already been checked. Permission to skim, backed by an actual analysis, is weirdly liberating.
The bucket nobody expects to love: Missing Clauses
You can read a contract a hundred times and never notice what isn't there. That's the cleverest part of the prompt, and the part I'd happily pay for on its own. On a $15,000 build, the Missing Clauses section pointed out there was no limitation-of-liability clause at all — meaning my exposure was, in theory, unlimited. I asked for one in negotiation and got it without a fight. On a different contract it flagged that there was no dispute-resolution mechanism short of litigation, so I added a simple mediation-first clause. Neither of those is something a 'spot the scary words' approach would ever catch, because the danger was an absence, not a presence on the page.
- Caught a missing limitation-of-liability clause on a $15K contract and added one before signing
- Flagged a broad IP-assignment clause I'd skimmed right past on my own first read
- The Missing Clauses bucket has twice prompted me to add dispute-resolution language I'd have forgotten
- I now send my lawyer flagged sections and specific questions, never the whole blank document
- Average lawyer review time dropped from roughly 90 minutes to about 25 on a typical contract
How it changed the lawyer relationship
This is the real ROI, and it isn't about the AI at all — it's about what the AI lets my actual lawyer do. She now opens an email from me and sees a contract with three flagged clauses and three precise questions, not a 12-page PDF and a vague 'is this okay?' Her review is faster, more targeted, and cheaper, and I walk into the negotiation already understanding what I'm signing. Informed client plus efficient lawyer beats either one working alone, every single time. She's actually told me she wishes more of her clients showed up this prepared.
The guardrail that keeps it honest
The disclaimer that ends every output is the correct mental model: this is triage, not advice. The prompt never tells me to sign or not sign, and the rules explicitly forbid it from inventing issues — every flag has to quote real text from the contract, which is what keeps it grounded and keeps me from chasing imaginary ghosts. Early on I worried an AI would 'helpfully' manufacture problems just to seem useful. This one doesn't, because the prompt forces it to point at an actual excerpt for everything it raises.
If you sign more than a couple of contracts a year, grab the Contract Red-Flag Spotter for Faster, Cheaper Lawyer Review prompt on Prompt Dock and run it on your next agreement before you read a single word yourself. When I only need one terrifying paragraph decoded instead of a whole document, I drop down to my Plain-English Contract Clause Translator with Red-Flag Triage prompt — same family, smaller hammer. But for a full agreement, this is the one that earns its keep on contract one.