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Capture any webpage as AI-agent context — annotations, screen frames, console & network. Local-first, MCP-native. Shadowmark gives AI coding agents the visual context they need. Click any element on any website to annotate it. Shadowmark captures CSS selectors, computed styles, accessibility data, and framework component details automatically — no code changes required. HOW IT WORKS 1. Click the floating toolbar on any page 2. Select elements and describe what you want changed 3. Hit "Copy for AI" and paste into your AI coding tool WHAT IT CAPTURES - CSS selectors and XPath for precise element targeting - Computed styles (colors, fonts, spacing, layout) - Framework component names, props, and state when available - ARIA roles and accessibility attributes - Developer notes per element FEATURES - Works on any website, including ones you don't own - Detects and extracts data from popular frontend frameworks - Shadow DOM isolation — zero CSS conflicts with the host page - Freeze animations to capture the exact UI state - Multi-element selection with numbered badges - One-click copy as structured Markdown or JSON to clipboard - No signup, no tracking, no data collection Free forever
Jun 21, 2026
rating_count is the Chrome Web Store ratings count, not a written-review count.
Media assets
Screenshots and videos on the listing.
Has promo video
Whether the listing includes at least one video.
Languages
Declared language locales.
Developer website
Listing exposes a developer website URL.
Contact email
Listing exposes a contact email.
Keyword in name
Case-insensitive substring match in the name.
Keyword in description
Case-insensitive substring match in the description.
Keyword occurrences in description
Count of case-insensitive occurrences in the description.
Category user-count percentile
Share of same-category extensions with fewer users (null if unknown).
These are transparent listing completeness / keyword signals, not a prediction of Chrome Web Store search ranking.