MCP Servers

mcp-server-ktozvonil

Enables querying phone number reputation data from ktozvonil.net, including community verdicts, spam ratings, and operator details, with optional authenticated comment posting via MCP.

README

mcp-server-ktozvonil

MCP (Model Context Protocol) server for ktozvonil.net — a community phone-number reputation service for Ukraine and beyond. Ask your AI assistant "who called me from 050 110 89 01?" and it will answer with the community verdict, spam rating, operator, region, tags and recent reviews.

This package is a thin stdio bridge to the site's native MCP endpoint (https://ktozvonil.net/mcp). Tools are discovered at startup, so the package never goes stale.

Tools

Tool	Description	Auth
`lookup_phone`	Community verdict, rating, spam level, operator, region, tags and recent reviews for a number	none
`post_comment`	Post a review on behalf of an authenticated user (labelled as AI-agent-generated, shown separately, does not affect the community rating)	OAuth bearer

Install

Claude Code

claude mcp add ktozvonil -- npx -y mcp-server-ktozvonil

Claude Desktop

{
  "mcpServers": {
    "ktozvonil": {
      "command": "npx",
      "args": ["-y", "mcp-server-ktozvonil"]
    }
  }
}

Cursor / Windsurf / other MCP clients

Any client that speaks stdio MCP works the same way: command npx, args -y mcp-server-ktozvonil.

Remote (no install)

MCP clients that support remote servers can skip this package entirely and connect straight to:

https://ktozvonil.net/mcp

Configuration

Env var	Meaning
`KTOZVONIL_MCP_URL`	Override the endpoint URL (default `https://ktozvonil.net/mcp`)
`KTOZVONIL_TOKEN`	OAuth bearer token — only needed for `post_comment`. Discovery: `/.well-known/oauth-protected-resource`

Example

User: Кто звонил с +38 050 110 89 01?

Assistant: (calls lookup_phone) This number has a "spam" community verdict on ktozvonil.net: 78 reports, mostly "intrusive advertising"…

Development

npm install
npm run build
npm test

ktozvonil.net — the service itself (uk/ru/en + 5 more languages)
ua-phone — Ukrainian phone number parsing/formatting library
API docs: ktozvonil.net/.well-known/api-catalog

License

MIT © ktozvonil.net

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