Multi Modal Web Page Understanding Via Accessibility Trees And Visual Analysis

via “accessibility-tree-based page state extraction”

Automate browsers and run web tests via Playwright MCP.

Unique: Uses Playwright's native accessibility tree API instead of screenshot + vision model pipeline, eliminating vision model latency and cost while providing precise element selectors and semantic structure that vision models cannot reliably extract

vs others: Faster and cheaper than screenshot-based browser automation (e.g., Claude with vision) because it avoids vision model inference entirely, while providing more precise element targeting than regex or heuristic-based selectors