Evaluate any business like Warren Buffett using a 3-stage framework distilled from 49 years of shareholder letters.
Supports three modes: quick (gates only), standard (full evaluation), deep (with original letter evidence).
Use when: analyzing a company, evaluating a business idea, comparing investment opportunities,
screening multiple companies, or when phrases like "is this a good business", "moat", "evaluate", "analyze" appear.
2026-03-24