Refcat

app.refcat/refcatVersion 1.0.0

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

Status

Responds804 msNov 14, 2026, 13:38 UTCAnswered our handshake without sign-in.

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Last checked: Nov 14, 2026, 13:38 UTC
Latency: 804 ms
Remotes responding: 1 of 1
Sign-in: API key
Hosting: Hosted outside the EU (detected)
Registry data as of: Nov 14, 2026, 21:12 UTC

Data from the official MCP Registry, checked by run.zero. How we check

Connect

Streamable HTTP

https://mcp.refcat.app/mcpResponds804 msNov 14, 2026, 13:38 UTC

No sign-in

Claude Code

claude mcp add --transport http refcat https://mcp.refcat.app/mcp --header 'Authorization: Bearer <YOUR_TOKEN>'

Replace <YOUR_TOKEN> before running.

Claude Desktop and claude.ai

Settings > Connectors > Add custom connector
Name: refcat
Remote MCP server URL: https://mcp.refcat.app/mcp
This server expects the header Authorization.

Cursor

{
  "mcpServers": {
    "refcat": {
      "url": "https://mcp.refcat.app/mcp",
      "headers": {
        "Authorization": "Bearer <YOUR_TOKEN>"
      }
    }
  }
}

Replace <YOUR_TOKEN> before running.

VS Code

code --add-mcp '{"name":"refcat","type":"http","url":"https://mcp.refcat.app/mcp","headers":{"Authorization":"Bearer <YOUR_TOKEN>"}}'

Replace <YOUR_TOKEN> before running.

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Tools

18 tools

Tools of Refcat
	Description		Read-only	Idempotent	Open world
`get_app`Metadata for one app in the catalog. Accepts an appId or a slug like 'spotify'. get_app_flows lists its flows.	Metadata for one app in the catalog. Accepts an appId or a slug like 'spotify'. get_app_flows lists its flows.	No	Yes	Yes	No
`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. Then get_flow for the steps of one.	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. Then get_flow for the steps of one.	No	Yes	Yes	No
`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 scratch. Pro, or this week's free flows.	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 scratch. Pro, or this week's free flows.	No	Yes	Yes	No
`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 'elements' adds OCR/hotspot boxes per step (large: tens of thousands of tokens for a long flow); 'connections' adds step links.	One flow with every step in order. Compact by default: each step has screenDocId (for get_screen), pageType, patterns, components and keyTexts. include 'elements' adds OCR/hotspot boxes per step (large: tens of thousands of tokens for a long flow); 'connections' adds step links.	No	Yes	Yes	No
`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.	Earlier captures of the same flow (how it changed over time): capture date, screen count and up to 3 preview images each.	No	Yes	Yes	No
`get_project`One project with its screens, positions and connections.	One project with its screens, positions and connections.	No	Yes	Yes	No
`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, pageType, screenPatterns, uiComponents, keyTexts, dimensions, capturedAt and `elements` (OCR text and hotspots with normalized bbox [x0,y0,x1,y1], sorted top to bottom: use them to reproduce hierarchy, order and positions). image 'small' is ~800px wide (~1-2k tokens), 'full' 1800px. Cite the app, flow and capture date when you build from it.	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, pageType, screenPatterns, uiComponents, keyTexts, dimensions, capturedAt and `elements` (OCR text and hotspots with normalized bbox [x0,y0,x1,y1], sorted top to bottom: use them to reproduce hierarchy, order and positions). image 'small' is ~800px wide (~1-2k tokens), 'full' 1800px. Cite the app, flow and capture date when you build from it.	No	Yes	Yes	No
`list_apps`Apps in the catalog, optionally filtered by category key (from list_categories) or platform. Platform `email` lists brands with email galleries.	Apps in the catalog, optionally filtered by category key (from list_categories) or platform. Platform `email` lists brands with email galleries.	No	Yes	Yes	No
`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.	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.	No	Yes	Yes	No
`list_facets`The filter vocabulary with real counts (number of flows): platform, flowIntents, uiComponents, pageType and screenPatterns. Call this before filtering search_screens or search_flows so filters are real values, not guesses. Optional query/filters narrow every count, flowIntents included.	The filter vocabulary with real counts (number of flows): platform, flowIntents, uiComponents, pageType and screenPatterns. Call this before filtering search_screens or search_flows so filters are real values, not guesses. Optional query/filters narrow every count, flowIntents included.	No	Yes	Yes	No
`list_projects`The caller's projects, newest first.	The caller's projects, newest first.	No	Yes	Yes	No
`search_apps`Find apps in the catalog by name, website or theme ('nubank', 'linear.app', 'meditation').	Find apps in the catalog by name, website or theme ('nubank', 'linear.app', 'meditation').	No	Yes	Yes	No
`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 image; when hasHtml is true, get_email_html returns the original HTML to adapt. Needs Pro.	Search real product emails (welcome, receipts, onboarding, re-engagement…) by description or brand. Each result is one email with its desktop and/or mobile image; when hasHtml is true, get_email_html returns the original HTML to adapt. Needs Pro.	No	Yes	Yes	No
`search_flows`Search whole flows (ordered screen sequences) by intent, app or description. Then get_flow for the steps.	Search whole flows (ordered screen sequences) by intent, app or description. Then get_flow for the steps.	No	Yes	Yes	No
`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 includeImages to also get the top screens as images (max 4, ~1-2k tokens each). Call get_screen for the full structure of one.	Search individual UI screens by description, app name or site ('paywall with annual plan first', 'Spotify', 'linear.app'). Returns metadata per screen; set includeImages to also get the top screens as images (max 4, ~1-2k tokens each). Call get_screen for the full structure of one.	No	Yes	Yes	No
`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 plans: up to 2 images and 12 results.	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 plans: up to 2 images and 12 results.	No	Yes	Yes	No
`similar_apps`Apps like this one, ranked from the app's own flow themes. Accepts an appId or slug.	Apps like this one, ranked from the app's own flow themes. Accepts an appId or slug.	No	Yes	Yes	No
`similar_screens`Screens that look like a given screen. Visual, not keyword — no quota. includeImages returns the top matches as images (max 4).	Screens that look like a given screen. Visual, not keyword — no quota. includeImages returns the top matches as images (max 4).	No	Yes	Yes	No

Details

Registry status: Active
Published: Nov 1, 2026
Updated: Nov 1, 2026
Website: https://refcat.app/en/guides/mcp⁠ (opens in a new tab)
Repository: Not given
Categories (suggested): Project management Communication Design and mediaSuggested categories are assigned automatically from the registry text and may be wrong. Verified operators can correct them.
GDPR: Not declared

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