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ClauseLens

Contract review that thinks like a lawyer. Upload an original and a revised contract and get every change risk-scored and explained in plain English, powered by Claude.

Next.jsClaude AIshadcn/ui

Technologies

  • Next.js 14 (App Router)
  • React, TailwindCSS, shadcn/ui
  • Anthropic Claude for contract analysis
  • pdf-parse and mammoth.js for file parsing
  • Deployed on Vercel

Key Features

  • Detects every change between two contract versions
  • Risk scoring: Critical / Moderate / Minor
  • Plain-English explanations, no legal jargon
  • Recommendations: Reject / Negotiate / Acceptable
  • PDF, DOCX, and TXT support, no login required

Project Overview

Contract redlines are easy to miss in a wall of legal text. ClauseLens diffs an original and a revised contract, scores each change by risk, and explains what actually changed and why it matters, in plain language, not legalese.

Upload both versions, click analyze, and get back a structured risk report with a clear recommendation per change instead of a raw redline you have to interpret yourself.