Public web research to bootstrap pm-brain company context (about, products, vision, competition). Use when /start needs company facts from a website URL. Writes the structured brief to .cache/start/brief.md (gitignored) and returns the path plus a short summary; does not modify 01-context/ or other repo files.
Competitive landscape research and market intelligence analysis. Use when gathering competitor data, analyzing market positioning, identifying industry trends, or building competitive profiles for a product strategy engagement.
Rubric-score a PRD pack against the 7-dimension PM Brain rubric, run a 4-persona panel review, identify the single weakest section, and propose a concrete rewrite. Read-only — does NOT modify the PRD. Use when critiquing 02-product-requirements.md and 03-success-metrics.md in a pm-brain feature hub.