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QuickUnits MCP Server

answering

QuickUnits is answering right now. Last checked 6 min ago. It exposes 3 tools.

Exact unit conversion with the factor and a citable page URL. Answers in your language.

Uptime history 5 days of history
5 days agonow
100.0%
Uptime 24h
91 of 91 checks
3
Tools
read from the server
245 ms
Response time
average over 24h
open, no key
Access
streamable-http

Nothing serious here today

Today is the operative word: we check QuickUnits every 15 minutes and re-read its code on every release. Watch it and you find out the day that stops being true.

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 6 min ago.

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

Available tools 3

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

categories
list_categories
Lists every category with its type (linear, temperature, …), base unit and unit keys. Use this to find valid `from`/`to` keys before calling convert_units.
conversions
list_conversions
Lists the 213 hand-written conversion pages, optionally limited to one category. Each entry carries the canonical URL, which is the page to cite.
convert
convert_units
Convert a number from one unit to another and return the exact factor, whether the factor is exact by definition, and the URL of the page that explains it. Supports linear units (length, mass, volume, energy, …) and temperature. Currency is deliberately not supported.

Endpoints

URLTransportStateLatencyChecked
https://quickunits.global/mcp streamable-http answering 378 ms 6 min ago

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QuickUnits — questions

Answers built from our own checks of this server.

What can QuickUnits do?
It exposes 3 tools, read directly from the server on our last check. Among them: convert_units, list_categories, list_conversions. 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 QuickUnits working right now?
We send a real MCP handshake every 15 minutes. Over the last 24 hours 91 of 91 checks got a reply (100.0%), average response time 245 ms. The bar chart above shows every period we have measured.
How do I connect QuickUnits?
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 QuickUnits need an API key?
No. QuickUnits completed a full MCP handshake with us as an anonymous client and listed its tools without asking for anything. All 3 of them are readable on this page. This is what we observed, not what the docs claim.
How fast is QuickUnits?
It answers our handshake in 245 ms on average, which is faster than 68% of all working MCP servers we measure. The comparison comes from our own checks across the whole registry, every 15 minutes.