Calmido Phone Number Lookup MCP Server

by calmido Your server? Claim it

answering

Calmido Phone Number Lookup is answering right now. Last checked 5 min ago. It exposes 1 tools.

Who is calling? Spam reports, a verdict and the business behind NL, BE and LU phone numbers.

Uptime history 23 hours of history · worst hour 75%

23 hours agonow

98.8%

Uptime 24h

82 of 83 checks

Tools

read from the server

279 ms

Response time

average over 24h

open, no key

Access

streamable-http

Calmido Phone Number Lookup does not always answer

Over the last week it answered 98.8% 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 5 min ago.

Claude Code Claude Desktop Codex Cursor VS Code

run in your terminal

claude mcp add phone-number-lookup --transport http https://www.calmido.com/api/mcp

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

{
  "mcpServers": {
    "phone-number-lookup": {
      "url": "https://www.calmido.com/api/mcp"
    }
  }
}

~/.codex/config.toml

[mcp_servers.phone-number-lookup]
url = "https://www.calmido.com/api/mcp"

.cursor/mcp.json

{
  "mcpServers": {
    "phone-number-lookup": {
      "url": "https://www.calmido.com/api/mcp"
    }
  }
}

.vscode/mcp.json

{
  "mcpServers": {
    "phone-number-lookup": {
      "url": "https://www.calmido.com/api/mcp"
    }
  }
}

Available tools 1

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

lookup

lookup_phone_number

Look up who is behind a phone number in the Netherlands, Belgium or Luxembourg: community reports, spam and scam categories, a trust verdict, and the registered business if there is one, from the Calmido phone directory. Use it whenever someone asks who called them, whether a number is safe, spam or a scam, or which company a number belongs to. Accepts international (+31 20 123 4567) and national (020 123 4567) formats; pass `country` for a national number outside the Netherlands.

Endpoints

URL	Transport	State	Latency	Checked
https://www.calmido.com/api/mcp	streamable-http	answering	335 ms	5 min ago

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Calmido Phone Number Lookup — questions

Answers built from our own checks of this server.

What can Calmido Phone Number Lookup do?

It exposes 1 tools, read directly from the server on our last check. Among them: lookup_phone_number. 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 Calmido Phone Number Lookup working right now?

We send a real MCP handshake every 15 minutes. Over the last 24 hours 82 of 83 checks got a reply (98.8%), average response time 279 ms. The bar chart above shows every period we have measured.

How do I connect Calmido Phone Number Lookup?

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 Calmido Phone Number Lookup need an API key?

No. Calmido Phone Number Lookup completed a full MCP handshake with us as an anonymous client and listed its tools without asking for anything. All 1 of them are readable on this page. This is what we observed, not what the docs claim.

How fast is Calmido Phone Number Lookup?

It answers our handshake in 279 ms on average, which is faster than 47% of all working MCP servers we measure. The comparison comes from our own checks across the whole registry, every 15 minutes.