Design Mode & UI annotation for AI coding agents. Mark up any web page — click, strike, or lasso an element — and hand Claude Code or Cursor a precise, element-pinned change list. Chrome extension + MCP server, both directions.
chrome-extension qa preact frontend mcp devtools developer-tools cursor wxt human-in-the-loop ai-agents design-mode design-review visual-feedback model-context-protocol claude-code coding-agent ui-annotation
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Updated
Jul 29, 2026 - TypeScript