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UI Polish MCP Server

not responding

UI Polish is listed as active in the registry but did not answer our last check. It exposes 4 tools. Last commit 6 Nov 2026.

React components and design rules your coding agent installs and follows.

Uptime history 36 hours of history · worst hour 0%
36 hours agonow
4.4%
Uptime 24h
4 of 91 checks
4
Tools
read from the server
903 ms
Response time
average over 24h
0
Stars
last commit 6 Nov 2026

UI Polish does not always answer

Over the last week it answered 27.1% of our checks. We check every 15 minutes, so you hear about the next outage within the hour — not from your users.

Three servers free · no card

Connect this server

Endpoint below is the one we actually reach during checks — not the one copied from a README. Last verified 13 min ago.

run in your terminal
claude mcp add mcp --transport http https://uipolish.com/mcp
Settings → Connectors → Add custom connector, then paste this address
https://uipolish.com/mcp
~/.codex/config.toml
[mcp_servers.mcp]
url = "https://uipolish.com/mcp"
.cursor/mcp.json
{
  "mcpServers": {
    "mcp": {
      "url": "https://uipolish.com/mcp"
    }
  }
}
.vscode/mcp.json
{
  "servers": {
    "mcp": {
      "type": "http",
      "url": "https://uipolish.com/mcp"
    }
  }
}

Available tools 4

Read directly from the server with tools/list, grouped by what they act on. If a tool disappears, we record the date.

component
get_component
The code and guide for one component, block or template: when and when not to use it, every state, motion specs, accessibility notes, before/after. Includes the components it depends on and the npm packages to install. A template's own files come with the project path to write each one at (app/(app)/chat/page.tsx). Pro blocks and templates need a license key on the connection; without one they return a summary and how to get one.
components
list_components
Every UI Polish template, block and component with a one-line summary and version. Templates are whole working apps (a chat app, an agent console, an agent workspace for coding); blocks are whole screens (sign-in, billing, team members, an approvals inbox, an agent task). Those marked pro need a UI Polish Pro license key.
rules
get_rules
Foundation rules: concrete values for motion, states, typography, spacing, surfaces, focus and anti-patterns. Pass a topic for one file; omit it for the token roles, the finished? checklist and the list of topics.
theme
get_theme
A color theme from one hue: the --ui-* accent, the text on it and in it, optionally tinted grays and accent primary buttons, light and dark, with every text color solved for 4.5:1 contrast. Returns CSS to paste after tokens.css. Use it when the project has a brand color.

Endpoints

URLTransportStateLatencyChecked
https://uipolish.com/mcp streamable-http answering 93 ms 13 min ago

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UI Polish — questions

Answers built from our own checks of this server.

What can UI Polish do?
It exposes 4 tools, read directly from the server on our last check. Among them: get_component, get_rules, get_theme, list_components. The full list with descriptions is on this page — we take it from the server itself via tools/list, not from a README. How MCP servers expose tools in the first place →
Is UI Polish working right now?
We send a real MCP handshake every 15 minutes. Over the last 24 hours 4 of 91 checks got a reply (4.4%), average response time 903 ms. The bar chart above shows every period we have measured.
The registry lists UI Polish as active — why does it not respond?
The official MCP registry stores what the author submitted; it does not verify that the server still runs. We check the endpoint ourselves, and this one does not answer. Catalogues that copy the registry without checking will show it as working.
How do I connect UI Polish?
Copy the ready config from this page. We generate it for Claude Code, Claude Desktop, Codex, Cursor and VS Code, each in the form that client actually reads. It is a remote server, so there is nothing to install — the client connects to the address.
Does UI Polish need an API key?
No. UI Polish completed a full MCP handshake with us as an anonymous client and listed its tools without asking for anything. All 4 of them are readable on this page. This is what we observed, not what the docs claim.
How fast is UI Polish?
It answers our handshake in 903 ms on average, which is faster than 6% of all working MCP servers we measure. That is on the slow side — worth knowing if the tool sits inside an interactive loop. The comparison comes from our own checks across the whole registry, every 15 minutes.
Is UI Polish open source?
The code is open source: it is published under the MIT licence, written in TypeScript and 0 stars on GitHub. The licence covers the code in the repository, not the hosted service at uipolish.com, which runs on its operator's own terms.