Refcat
Search 1M real UI flows and 3.3M screens from shipped apps, sites, emails and games.
What it does
Refcat is an MCP server, a connector that lets an AI assistant use it as a tool. It is hosted: an assistant connects to it over the internet, nothing to install.
No capability identified yet from its description.
Facts come from the Official MCP Registry, as declared by the publisher. Capabilities are matched automatically (low confidence). None of this is a test of the tool.
At a glance
How to connect
As declared in the Official MCP Registry · hosted endpoint tested by Electra Index 12h ago (live check)Hosted endpoint
https://mcp.refcat.app/mcpstreamable-http
Required: Authorization (get it from the publisher)
MCP settings (Claude Desktop, Cursor and other MCP clients)
{
"mcpServers": {
"refcat": {
"url": "https://mcp.refcat.app/mcp",
"headers": {
"Authorization": "<your Authorization>"
}
}
}
}Replace the values in <angle brackets>.
Live check
Electra Index connected to the hosted endpoint 12h agoONLINE Refcat answered an MCP connection on 01 Nov 2026 and introduced itself as refcat 1.0.0 (MCP protocol 2025-06-18).
18 tools offered to AI assistants
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/figet_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 `elementssearch_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.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). Callsearch_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 image; when hasHtml is true, get_email_html returns the original HTML to adapt. Needget_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.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. Then get_flow for the steps of one.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 'elements' adds OCR/hotspot boxes per step (large: tens of thousands of tokens for a lon
Show 6 more
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.
What "online" means: the server answered an MCP connection at the time of the check. It is not a guarantee of security, quality or continuous uptime. How we test: we open an MCP session and ask for the tool list, as an AI assistant would. We never run a tool and never send a key. Checked every few days. Method
Is this your server? Monitoring Pro: a check every 30 minutes and an email within the hour when it stops answering. Launch offer: $39.99 once, for life.
Facts & evidence
Each fact shows where it was seen and when.| Fact | Value | Evidence | Source | Last confirmed |
|---|---|---|---|---|
| Hosted endpoint | https://mcp.refcat.app/mcp | DECLARED | SRC-001 Official MCP Registry | 3h ago |
| Local install (package) | no | DECLARED | SRC-001 Official MCP Registry | 3h ago |
| Remote access (hosted) | yes | DECLARED | SRC-001 Official MCP Registry | 3h ago |
| Website | https://refcat.app/en/guides/mcp | DECLARED | SRC-001 Official MCP Registry | 3h ago |
| Registry status | active | DECLARED | SRC-001 Official MCP Registry | 3h ago |
| Version | 1.0.0 | DECLARED | SRC-001 Official MCP Registry | 3h ago |
| MCP server | yes | DECLARED | SRC-001 Official MCP Registry | 3h ago |
Change history
- NEW01 Nov 2026first seen in the index
Is this page accurate?
Flag it and our robot re-checks the official source. Reports never change a score.Is Refcat still online?
Free alerts · no account▲ 0Do you run Refcat? Know when it stops answering
For publishers · optionalIts hosted endpoint can be monitored. Monitoring Pro connects every 30 minutes like an AI assistant, emails you within the hour when it stops answering, keeps a 90-day availability history and adds your answer rate to your badge.
Monitoring never changes a score or a rank.
Are you the publisher of Refcat?
Free · show your listingAn independent listing builds trust with your buyers. Announce it, and add the badge to your website or README.
<a href="https://electraindex.com/mcp/refcat?utm_source=badge&utm_medium=share&utm_campaign=listing"><img src="https://electraindex.com/api/badge/refcat" alt="Listed on Electra Index"></a>Questions about Refcat
How do I connect Refcat?
Use the hosted endpoint https://mcp.refcat.app/mcp in your assistant's MCP settings. The exact settings are in "How to connect" above, as declared in the Official MCP Registry.
Does Refcat need an API key or token?
Yes. The registry entry lists a required value: Authorization. Get it from the publisher.
What tools does Refcat offer?
When Electra Index connected on 01 Nov 2026, it listed 18 tools: list_facets, get_screen, search_screens_by_image, search_screens, search_flows, search_emails, get_email_html, search_apps and more. The full list is in "Live check" above.
Is Refcat online?
Yes. Its hosted endpoint answered an MCP connection from Electra Index 12h ago.