Claude Chrome MCP: two root causes of missed clicks and how to fix them

Short summary

Claude's Chrome MCP browser automation misses clicks for exactly two reasons: viewport width hasn't settled after page load (causing coordinate drift), and double_click fires too slowly (becoming two single clicks). The fix is to wait for innerWidth to stabilize, use element references instead of coordinates on HTML pages, and replace double_click with two rapid left_clicks via browser_batch. Includes diagnostic snippets and a symptom-to-cause lookup table.

• •Viewport width takes 2-3 seconds to settle after load, causing coordinate-based clicks to drift right
• •double_click action fires too slowly — replace with two rapid left_clicks via browser_batch
• •Use element references (find/read_page) instead of coordinates on HTML pages to survive layout shifts

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