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UICapsule MCP Server

by uicapsule Your server? Claim it
not responding

UICapsule is listed as active in the registry but did not answer our last check. It exposes 2 tools. Last commit 29 Oct 2026.

Search and install interactive React components with unusual motion, via the shadcn CLI.

Uptime history 36 days of history · worst day 0%
36 days agonow
13.2%
Uptime 24h
12 of 91 checks
2
Tools
read from the server
298 ms
Response time
average over 24h
32
Stars
last commit 29 Oct 2026

What changed 2

Every tool that appeared, vanished or quietly changed what it asks for. Recorded since 23 October 2026. No other catalogue keeps this.

23 Oct 2 tools changed the parameters they ask for get_component, search_components

UICapsule does not always answer

Over the last week it answered 6.4% 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 9 min ago.

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

Available tools 2

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
Get one component by slug: its install command, npm dependencies, and the full source of every file it ships.
components
search_components
Search the UICapsule catalog by what a component does or looks like. An empty query lists everything, newest first.

Endpoints

URLTransportStateLatencyChecked
https://www.uicapsule.com/mcp streamable-http answering 76 ms 9 min ago

Alternatives to UICapsule

same job, measured the same way
Arc UI
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Search ReactFrame's React + Tailwind + Motion components, install free ones and price premium picks.

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Watermelon UI
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Search free React, Tailwind, and shadcn components, blocks, and dashboards; get installable source.

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tealmac UI
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Search shadcn registry items, read props and get exact install commands for React components.

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Layro
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Search, install and publish reviewed React components from Layro, with exact install plans.

answering
UpFork
by upfork

Search, view and install React + Tailwind CSS components and landing pages from UpFork.

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Ballmac
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Search, inspect and install Ballmac UI React and Tailwind components, blocks and templates.

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UICapsule — questions

Answers built from our own checks of this server.

What can UICapsule do?
It exposes 2 tools, read directly from the server on our last check. Among them: get_component, search_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 UICapsule working right now?
We send a real MCP handshake every 15 minutes. Over the last 24 hours 12 of 91 checks got a reply (13.2%), average response time 298 ms. The bar chart above shows every period we have measured.
The registry lists UICapsule 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 UICapsule?
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 UICapsule need an API key?
No. UICapsule completed a full MCP handshake with us as an anonymous client and listed its tools without asking for anything. All 2 of them are readable on this page. This is what we observed, not what the docs claim.
How fast is UICapsule?
It answers our handshake in 298 ms on average, which is faster than 50% of all working MCP servers we measure. The comparison comes from our own checks across the whole registry, every 15 minutes.
Is UICapsule open source?
The code is open source: it is published under the MIT licence, written in TypeScript, 32 stars on GitHub and 8 open issues. The licence covers the code in the repository, not the hosted service at uicapsule.com, which runs on its operator's own terms.