app.refcat/refcat

up checked 2026-11-11T00:38:05.148Z

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Publisher-provided title

Refcat

Publisher-provided description

Search 1M real UI flows and 3.3M screens from shipped apps, sites, emails and games.

Summary by lookupd

Search and browse a catalog of real app, website, email and game UI flows and screens for design reference.

Install

Claude Code, remote (streamable-http)

claude mcp add --transport http refcat https://mcp.refcat.app/mcp

Codex, remote (streamable-http)

codex mcp add refcat --url https://mcp.refcat.app/mcp

Cursor, remote (streamable-http) → .cursor/mcp.json

{
  "mcpServers": {
    "refcat": {
      "url": "https://mcp.refcat.app/mcp"
    }
  }
}

Other clients: docs. Or tell your agent: Set up lookupd for me: read https://lookupd.com/agent.md and follow it.

Tools (18 tools)

Publisher-provided text

• list_facets The filter vocabulary with real counts (number of flows): platform, flowIntents, uiComponents, pageType and screenPatterns. Call this before filtering search_sc
• get_screen One catalog screen with its image and structure. Returns an image block (look at it for color, typography and spacing) and JSON with app, flow, platform, pageTy
• search_screens_by_image Find catalog screens that look like your images (base64, e.g. a screenshot of the app you are building). Then call get_screen on the matches to compare. Free pl
• search_screens Search individual UI screens by description, app name or site ('paywall with annual plan first', 'Spotify', 'linear.app'). Returns metadata per screen; set incl
• search_flows Search whole flows (ordered screen sequences) by intent, app or description. Then get_flow for the steps.
• search_emails Search real product emails (welcome, receipts, onboarding, re-engagement…) by description or brand. Each result is one email with its desktop and/or mobile imag
• get_email_html The original HTML of one email from search_emails (tables, font fallbacks, dark mode included). Adapt it to the user's brand instead of writing email HTML from
• search_apps Find apps in the catalog by name, website or theme ('nubank', 'linear.app', 'meditation').
• get_app Metadata for one app in the catalog. Accepts an appId or a slug like 'spotify'. get_app_flows lists its flows.
• get_app_flows The flows of one app (onboarding, checkout, settings…) in order, with capture date. Accepts an appId or slug. Big apps have hundreds of flows: page with offset.
• similar_apps Apps like this one, ranked from the app's own flow themes. Accepts an appId or slug.
• get_flow One flow with every step in order. Compact by default: each step has screenDocId (for get_screen), pageType, patterns, components and keyTexts. include 'element
• get_flow_history Earlier captures of the same flow (how it changed over time): capture date, screen count and up to 3 preview images each.
• similar_screens Screens that look like a given screen. Visual, not keyword — no quota. includeImages returns the top matches as images (max 4).
• list_categories The catalog's category rail for a platform, with the key list_apps filters by. Emails, games, store listings and ads have their own rails.
• list_apps Apps in the catalog, optionally filtered by category key (from list_categories) or platform. Platform `email` lists brands with email galleries.
• list_projects The caller's projects, newest first.
• get_project One project with its screens, positions and connections.

Details

• Version: 1.0.0
• Transports: streamable-http
• Uptime (7 days): 100%
• Median latency: 1132 ms
• First indexed: 2026-11-01T17:17:12.726Z
• Last seen in registry: 2026-11-01T17:17:12.726Z
• Website: https://refcat.app/en/guides/mcp

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• Last crawl: 2026-11-11T15:38:39.561Z
• API base: https://api.lookupd.com
• MCP URL: https://api.lookupd.com/mcp