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Phone Lookup MCP Server

by ktozvonil Your server? Claim it
answering

Phone Lookup is answering right now. Last checked 3 min ago. 34 installs a week from npm. It exposes 2 tools. Last commit 5 Aug 2026.

Who-called phone lookups: community verdict, spam rating, operator and reviews (ktozvonil.net).

Installs per day peak 360 · avg 14
a month agotoday
Uptime history 48 days of history · worst day 32%
48 days agonow
65.9%
Uptime 24h
60 of 91 checks
2
Tools
read from the server
121 ms
Response time
average over 24h
34
Installs / week
npm and PyPI

Phone Lookup does not always answer

Over the last week it answered 94.2% 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 3 min ago.

run in your terminal
claude mcp add phone-lookup --transport http https://ktozvonil.net/mcp
~/Library/Application Support/Claude/claude_desktop_config.json
{
  "mcpServers": {
    "phone-lookup": {
      "url": "https://ktozvonil.net/mcp"
    }
  }
}
~/.codex/config.toml
[mcp_servers.phone-lookup]
url = "https://ktozvonil.net/mcp"
.cursor/mcp.json
{
  "mcpServers": {
    "phone-lookup": {
      "url": "https://ktozvonil.net/mcp"
    }
  }
}
.vscode/mcp.json
{
  "mcpServers": {
    "phone-lookup": {
      "url": "https://ktozvonil.net/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.

lookup
lookup_phone
Look up a phone number on ktozvonil.net: community verdict, rating, spam level, operator, region, tags and recent reviews.
post
post_comment
Post a phone-number review on behalf of the authenticated user. Requires an OAuth access token with the "write" scope (discover via /.well-known/oauth-protected-resource). The review is labelled AI-agent-generated, shown in a separate section, and does NOT affect the community rating or verdict.

Endpoints

URLTransportStateLatencyChecked
https://ktozvonil.net/mcp streamable-http answering 212 ms 3 min ago

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Phone Lookup — questions

Answers built from our own checks of this server.

What can Phone Lookup do?
It exposes 2 tools, read directly from the server on our last check. Among them: lookup_phone, post_comment. 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 Phone Lookup working right now?
We send a real MCP handshake every 15 minutes. Over the last 24 hours 60 of 91 checks got a reply (65.9%), average response time 121 ms. The bar chart above shows every period we have measured.
How do I connect Phone 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 Phone Lookup need an API key?
No. Phone Lookup 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 Phone Lookup?
It answers our handshake in 121 ms on average, which is faster than 82% of all working MCP servers we measure. That puts it in the quick quarter of the ecosystem. The comparison comes from our own checks across the whole registry, every 15 minutes.
How many people use Phone Lookup?
The npm package mcp-server-ktozvonil was installed 34 times in the last week. We show installs rather than GitHub stars on purpose: a star is a bookmark, an install is someone actually running it.
Is Phone Lookup open source?
Yes — it is published under the MIT licence, written in JavaScript and 0 stars on GitHub. The source link is on this page, so you can read exactly what it does with your data before you connect it.