WHOIS for VS Code

io.github.kincaidyang/whois

Query WHOIS/RDAP information for domains, IP addresses, CIDR prefixes and ASNs. Self-hostable.

client:VS Code transport:streamable-http tools:2

Install WHOIS in VS Code

.vscode/mcp.json

{
  "servers": {
    "whois": {
      "type": "http",
      "url": "https://whois.ddnsip.cn/mcp"
    }
  }
}

Requires agent mode. MCP: Open User Configuration puts the same block in every workspace. VS Code docs