Domain Sentinel MCP MCP server

Domain Sentinel operates this official MCP server, allowing AI assistants like Claude and Cursor to perform domain lookups, check availability via RDAP, monitor watchlists for changes or expirations, and manage DNS records. It integrates domain verification and brand protection tools directly into conversational AI workflows.

Endpoint and access

OAuth sign-in: the first time you connect, your client opens the vendor's own authorization prompt in a browser.

OAuth sign-inEndpoint checked 2026-10-05Operated by Domain Sentinel

MCP endpoint (Streamable HTTP)

https://api.domain-sentinel.com/mcp

Vendor documentation

What you can do with it

Check if a domain is available and retrieve RDAP data
Add domains to a watchlist for expiry or change alerts
View domain history including transfers and nameserver changes
Manage monitoring groups and notification settings

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 domain-sentinel-mcp https://api.domain-sentinel.com/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 domain-sentinel-mcp --url https://api.domain-sentinel.com/mcp

Cursor

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

Cursor configuration

{
  "mcpServers": {
    "domain-sentinel-mcp": {
      "url": "https://api.domain-sentinel.com/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": {
    "domain-sentinel-mcp": {
      "type": "streamableHttp",
      "url": "https://api.domain-sentinel.com/mcp",
      "disabled": false
    }
  }
}

VS Code

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

VS Code configuration

{
  "servers": {
    "domain-sentinel-mcp": {
      "type": "http",
      "url": "https://api.domain-sentinel.com/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 domain-sentinel-mcp https://api.domain-sentinel.com/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": {
    "domain-sentinel-mcp": {
      "url": "https://api.domain-sentinel.com/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": {
    "domain-sentinel-mcp": {
      "serverUrl": "https://api.domain-sentinel.com/mcp"
    }
  }
}

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