NumerTel MCP MCP server

A Polish phone number lookup service that allows AI assistants to verify operator, type, spam labels, UKE DNO registry status, and CERT phishing stats for Polish numbers. It provides read-only tools for reputation checks, scam domain analysis, and spam weather data.

Endpoint and access

No sign-in: your client connects and lists tools immediately, with no account or key.

No sign-inEndpoint checked 2026-10-05Operated by NumerTel

MCP endpoint (Streamable HTTP)

https://numertel.pl/api/mcp

Vendor documentation

What you can do with it

Check reputation and operator of a Polish phone number
Verify if a number is on the UKE DNO spoofing registry
Check domains and links in messages against CERT warnings
Get aggregated phishing and spam weather indicators for Poland

Tools advertised by the last live check:

check_phone_number
spam_weather
check_scam_domain
find_official_number
recent_scam_domains
search
fetch

Connect from your client

Each snippet registers the same endpoint; pick the client you use.

This server is operated by the named third party. Listing and endpoint checks are not an endorsement or a security audit. Review the operator's permissions, terms, and data handling before connecting. How listings are checked and corrected.

Claude Code

Run this once in a terminal. It registers a Streamable HTTP server. Use --scope project to write .mcp.json for the repo.

Claude Code configuration

claude mcp add --transport http numertel-mcp https://numertel.pl/api/mcp

Codex

Run this once. Codex stores MCP servers in ~/.codex/config.toml (or .codex/config.toml in a trusted project).

Codex configuration

codex mcp add numertel-mcp --url https://numertel.pl/api/mcp

Cursor

Merge this server into .cursor/mcp.json in your project, then enable numertel-mcp in your MCP settings.

Cursor configuration

{
  "mcpServers": {
    "numertel-mcp": {
      "url": "https://numertel.pl/api/mcp"
    }
  }
}

Cline

Merge this into cline_mcp_settings.json (Cline → MCP Servers → Configure). The type must be streamableHttp for a remote HTTP server.

Cline configuration

{
  "mcpServers": {
    "numertel-mcp": {
      "type": "streamableHttp",
      "url": "https://numertel.pl/api/mcp",
      "disabled": false
    }
  }
}

VS Code

Merge this server into .vscode/mcp.json. Use MCP: List Servers to start numertel-mcp and inspect its tools.

VS Code configuration

{
  "servers": {
    "numertel-mcp": {
      "type": "http",
      "url": "https://numertel.pl/api/mcp"
    }
  }
}

Gemini CLI

Run this once. It writes .gemini/settings.json in the current project; pass --scope user for ~/.gemini/settings.json.

Gemini CLI configuration

gemini mcp add --transport http numertel-mcp https://numertel.pl/api/mcp

Claude Desktop

Merge this into claude_desktop_config.json (macOS: ~/Library/Application Support/Claude/, Windows: %APPDATA%\Claude\), then restart Claude Desktop.

Claude Desktop configuration

{
  "mcpServers": {
    "numertel-mcp": {
      "url": "https://numertel.pl/api/mcp"
    }
  }
}

Windsurf

Merge this into ~/.codeium/windsurf/mcp_config.json, then refresh MCP in Cascade. Windsurf remote servers use serverUrl, not url.

Windsurf configuration

{
  "mcpServers": {
    "numertel-mcp": {
      "serverUrl": "https://numertel.pl/api/mcp"
    }
  }
}

See all 782

Do you run NumerTel MCP?

Prove ownership with a DNS record, a well-known file, or your Official MCP Registry entry, and your edits publish immediately. Proofs are re-checked weekly; admins can still hide or remove a listing.

Claim this listing