Unit & Currency Converter MCP Server

by guptaprakhariitr Your server? Claim it

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Unit & Currency Converter is listed as active in the registry but did not answer our last check. It exposes 6 tools. Last commit 11 Jun 2026.

60+ units, live FX, timezones, and date arithmetic for AI agents.

Uptime history 48 days of history · worst day 3%

48 days agonow

3.3%

Uptime 24h

3 of 91 checks

Tools

read from the server

243 ms

Response time

average over 24h

Stars

last commit 11 Jun 2026

Unit & Currency Converter does not always answer

Over the last week it answered 3.4% of our checks. We check every 15 minutes, so you hear about the next outage within the hour — not from your users.

Connect this server

Endpoint below is the one we actually reach during checks — not the one copied from a README. Last verified 12 min ago.

Claude Code Claude Desktop Codex Cursor VS Code

run in your terminal

claude mcp add unit-converter-mcp --transport http https://unit-converter-mcp.atlasword.workers.dev/mcp

~/Library/Application Support/Claude/claude_desktop_config.json

{
  "mcpServers": {
    "unit-converter-mcp": {
      "url": "https://unit-converter-mcp.atlasword.workers.dev/mcp"
    }
  }
}

~/.codex/config.toml

[mcp_servers.unit-converter-mcp]
url = "https://unit-converter-mcp.atlasword.workers.dev/mcp"

.cursor/mcp.json

{
  "mcpServers": {
    "unit-converter-mcp": {
      "url": "https://unit-converter-mcp.atlasword.workers.dev/mcp"
    }
  }
}

.vscode/mcp.json

{
  "mcpServers": {
    "unit-converter-mcp": {
      "url": "https://unit-converter-mcp.atlasword.workers.dev/mcp"
    }
  }
}

Available tools 6

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

convert

convert_currency

Convert an amount between currencies. Live FX from exchangerate.host (free, no key). Pass an optional ISO date for historical rates. Returns {amount, from, to, rate, date, source}.

convert_timezone

Re-anchor an ISO datetime from one IANA timezone to another. Accepts the common timezones (UTC, America/*, Europe/*, Asia/Kolkata, Asia/Tokyo, etc.). Returns the equivalent ISO datetime in the target timezone + the offset difference in hours.

convert_unit

Convert a numeric value between units. Categories: length, mass, volume, area, time, temperature, energy, speed, data, pressure. Accepts canonical names ('meter', 'pound') or common aliases ('m', 'lb'). Returns {input, output, category}.

date

date_diff

Calculate the difference between two ISO dates in the requested unit (ms / seconds / minutes / hours / days / weeks).

timezones

list_timezones

List supported timezones + UTC offsets.

units

list_units

List all supported units grouped by category. Use this when you're not sure what unit names the converter accepts.

Endpoints

URL	Transport	State	Latency	Checked
https://unit-converter-mcp.atlasword.workers.dev/mcp	streamable-http	answering	150 ms	12 min ago

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Unit & Currency Converter — questions

Answers built from our own checks of this server.

What can Unit & Currency Converter do?

It exposes 6 tools, read directly from the server on our last check. Among them: convert_currency, convert_timezone, convert_unit, date_diff, list_timezones, list_units. 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 Unit & Currency Converter working right now?

We send a real MCP handshake every 15 minutes. Over the last 24 hours 3 of 91 checks got a reply (3.3%), average response time 243 ms. The bar chart above shows every period we have measured.

The registry lists Unit & Currency Converter 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 Unit & Currency Converter?

Copy the ready config from this page — we generate it for Claude Code, Claude Desktop, Codex, Cursor and VS Code, each with the file path that client actually reads. It is a remote server, so there is nothing to install — the client connects to the address.

Does Unit & Currency Converter need an API key?

No. Unit & Currency Converter completed a full MCP handshake with us as an anonymous client and listed its tools without asking for anything. All 6 of them are readable on this page. This is what we observed, not what the docs claim.

How fast is Unit & Currency Converter?

It answers our handshake in 243 ms on average, which is faster than 59% of all working MCP servers we measure. The comparison comes from our own checks across the whole registry, every 15 minutes.

Is Unit & Currency Converter open source?

We cannot say either way: written in TypeScript and 1 stars on GitHub, but we could not determine the licence, and without one the code is not open source by default.