"Super User" matching MCP connectors:

UXKINAOAuth

io.github.uxkin

Real UI references for coding agents: iOS app screens, user journeys and website design systems.

Draw diagrams, build HTML pages and write Markdown in a live editor the user sees.

Design a laser engraving for a WELANDA snus case, preview it and hand the user a checkout link.

Stunt DoubleBOAuth

io.stuntdouble

Deploy AI user personas to validate user journeys at scale. Find UX friction before real users do.

Search real web app screens, UI elements, and user flows. Requires Premium access and OAuth.

Search real SaaS app screens, UI components, apps, and user flows for design research. Read saved favorites and collections, create collections, and save screen references through a hosted MCP server. Uses browser OAuth and requires a paid Nicelydone account. Website: https://nicelydone.club. Documentation: https://nicelydone.club/mcp

Create and update saved Excalidraw diagrams through MCP. In MCP Apps hosts, view an interactive canvas, edit fullscreen, and save your work. OAuth with Google sign-in; English and Simplified Chinese. Website: https://draw.404040.net/

Draw40 is an independent diagram workspace with an interactive MCP Apps canvas. OAuth sign-in.

Mobile UI/UX design research: real app screens, user flows and UI patterns with cited evidence.

Read and edit octopus.do visual sitemaps: pages, blocks and review notes, as the signed-in user.

Search curated design styles, real product screens, and user flows for evidence-based design work.

Guide user-led frontend design decisions from project brief through implementation review.