Whois MCP
About
MCP server that performs whois lookup against domain, IP, ASN and TLD.
Details
- Author
- bharathvaj-ganesan
- Repository
- bharathvaj-ganesan/whois-mcp
- GitHub stars
- 11
- Downloads
- 445
- License
- MIT License
- Categories
- Search, Community, Other, AI, Infrastructure
Jump to
- Perform WHOIS lookups directly from AI agents.
- Retrieve domain, TLD, IP, and ASN information.
- No browser or terminal needed—just ask the AI.
- Easy installation via npx with no API keys required.
- Compatible with Claude Desktop, Cursor, Windsurf, Roo Code.
- Provides registration, expiry, registrar, and name server details.
Setting up with Highlight
This MCP is not yet compatible with Highlight’s one-click setup. However, you can still use it with Highlight by following these steps:
- Download and install Highlight from highlightai.com/download
- Navigate to the plugins tab and select "Add Custom Plugin"
-
Configure the plugin with the settings below
Plugin Name
Whois MCPCommand (node, npx, python, etc.)npxArguments-
Argument 1
-y -
Argument 2
@bharathvaj/whois-mcp@latest
Please refer to the README for specific instructions on how to obtain API keys or other required environment variables.
-
Argument 1
- Enable "Start Automatically" if you want the plugin to start when Highlight launches
From the repository
Configure the server as an MCP tool using the command npx -y @bharathvaj/whois-mcp@latest in supported IDEs (Cursor, VS Code with Roo Code) or any MCP-compatible client. Once added, the AI agent automatically gains access to four tools: whois_domain, whois_tld, whois_ip, and whois_as.
whois_domain
Looks up WHOIS information about the specified domain.
whois_tld
Looks up WHOIS information about the Top Level Domain (TLD).
whois_ip
Looks up WHOIS information about the specified IP.
whois_as
Looks up WHOIS information about the Autonomous System Number (ASN).
Claude Desktop / Cursor
Paste into your MCP client config file to install this server.
{
"mcpServers": {
"whois mcp": {
"env": {},
"args": [
"-y",
"@bharathvaj/whois-mcp@latest"
],
"command": "npx"
}
}
}Linux
{
"env": [],
"args": [
"-y",
"@bharathvaj/whois-mcp@latest"
],
"command": "npx"
}Macos
{
"env": [],
"args": [
"-y",
"@bharathvaj/whois-mcp@latest"
],
"command": "npx"
}Windows
{
"env": [],
"args": [
"/c",
"npx",
"-y",
"@bharathvaj/whois-mcp@latest"
],
"command": "cmd"
}Model Context Protocolserver for whois lookups.
https://github.com/user-attachments/assets/57a82adc-3f30-453f-aabd-7138c2e6a21d
https://github.com/user-attachments/assets/d30a1f45-fdaf-4280-80f2-d5d4fc9743b1
This MCP server allows AI agents like Claude Desktop, Cursor, Windsurf,.. etc to perform WHOIS lookups and retrieve domain details.
PurposeYou can directly ask the AI to check if a domain is available, who owns it, when it was registered, and other important details. No need to go to browser and search.
What is a WHOIS Lookup?A WHOIS lookup is the process of querying a WHOIS database to retrieve registration details about a domain name, IP address, or autonomous system. It helps users find out who owns a domain, when it was registered, when it expires, and other important details.
What Information Can a WHOIS Lookup Provide?
When you perform a WHOIS lookup, you can retrieve details such as:
- Domain Name – The specific domain queried
- Registrar Name – The company managing the domain registration (e.g., GoDaddy, Namecheap)
- Registrant Details – The name, organization, and contact details of the domain owner (unless protected by WHOIS privacy)
- Registration & Expiry Date – When the domain was registered and when it will expire
- Name Servers – The DNS servers the domain is using
- Domain Status – Active, expired, locked, or pending deletion
- Contact Information – Administrative, technical, and billing contacts (if not hidden)
- Go toCursor Settings>MCP
- Click+ Add New MCP Server
- Fill in the form:
- Name:Whois Lookup(or any name you prefer)
- Type:command
- Command:npx -y @bharathvaj/whois-mcp@latest
Add an.cursor/mcp.jsonfile to your project:
{ "mcpServers": { "whois": { "command": "npx", "args": [ "-y", "@bharathvaj/whois-mcp@latest" ] } } }
Once configured, the whois tools will be automatically available to the Cursor AI Agent. You can:
- The tool will be listed underAvailable Toolsin MCP settings
- Agent will automatically use it when relevant
- You can explicitly ask Agent to send notifications
Access the MCP settings by clicking “Edit MCP Settings” in Roo Code settings or using the “Roo Code: Open MCP Config” command in VS Code's command palette.
{ "mcpServers": { "whois": { "command": "npx", "args": [ "-y", "@bharathvaj/whois-mcp@latest" ] } } }
- The whois capabilities will be available to Roo Code's AI agents
# Install dependencies pnpm install # Build pnpm build
To debug your server, you can use theMCP Inspector.
Run the following command in your terminal:
# Start MCP Inspector and server with all tools npx @modelcontextprotocol/inspector node dist/index.js
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