How to Use the IP2WHOIS MCP in Claude Code

Q: How do I add the IP2WHOIS server to Claude Code?

Run the command claude mcp add --transport http ip2whois -- in your terminal. Claude Code will automatically register the server and configure it in your local settings.

Q: Can I run bulk WHOIS queries using IP2WHOIS in Claude Code?

Yes, you can use bulkwhoislookup to check multiple domains at once. Claude Code processes the batch and outputs the results in a structured format that you can pipe to other CLI tools.

Q: How do I check if my IP2WHOIS connection is working in Claude Code?

You can run checkip2whoisstatus to verify your API connectivity. Claude Code will query the endpoint and confirm if your authentication token is valid and active.

Q: Can Claude Code check if a domain is available?

The checkdomainavailability tool lets you verify if a domain can be registered. It queries the live registry database and returns a simple status, making it easy to automate domain acquisition tasks.

Pipe live IP2WHOIS registration metadata directly into your terminal workflows and shell scripts with Claude Code.

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Setup IP2WHOIS with Claude Code

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Terminal-driven WHOIS lookups with Claude Code

The `lookup_domain_whois` tool lets you query domain registration details without leaving your terminal. Claude Code executes the query, parses the JSON payload, and pipes the structured output directly into your CLI scripts or log files. You can combine this with grep or jq to filter specific fields like creation dates or registrar names. It replaces the old, inconsistent system WHOIS commands with structured, reliable API data.

Headless domain age auditing via MCP Server

This IP2WHOIS MCP Server exposes `check_domain_age` to let you automate bulk infrastructure checks in your CI/CD pipelines. You can write a shell script that feeds newly discovered domains from your firewall logs straight to Claude Code. The agent runs the checks, filters out domains younger than thirty days, and flags them for manual review. This setup keeps your automated security triage fast, lightweight, and completely hands-free.

Reverse IP lookups at the command line

The `lookup_hosted_domains` tool allows you to find every domain hosted on a specific IP address directly from your terminal session. Claude Code runs the lookup and returns a clean list of domains for shared hosting analysis. You can immediately pass these domains to `check_domain_expiry` to see which ones are active or about to lapse. It gives you a fast way to map out an adversary's hosting footprint during active threat hunts.

Setup guide

Set up IP2WHOIS MCP in Claude Code

Prerequisites

Claude Code CLI installed (npm install -g @anthropic-ai/claude-code)
Active Vinkius subscription with a valid endpoint token

1

Run the add command

Open your terminal and run the command shown on the right. Replace [YOUR_TOKEN_HERE] with your endpoint token from cloud.vinkius.com. Use --scope user to make it available across all projects.
2

Verify the connection

Start a Claude Code session and type /mcp to list connected servers. You should see ip2whois-mcp with a green status indicator.
3

Start using tools

Ask Claude Code something like "Check my latest IP2WHOIS transactions." It will automatically discover and invoke the available IP2WHOIS tools.

Terminal

claude mcp add --transport http ip2whois-mcp https://edge.vinkius.com/[YOUR_TOKEN_HERE]/mcp

Get your connection token →

Prerequisites

Claude Code CLI installed
Active Vinkius subscription with a valid endpoint token

1

Open the config file

Create or edit .mcp.json in your project root for project-level scope, or ~/.claude.json for user-level scope.
2

Add the IP2WHOIS MCP

Paste the JSON snippet shown on the right into the mcpServers object. Replace [YOUR_TOKEN_HERE] with your endpoint token from cloud.vinkius.com.
3

Restart Claude Code

Start a new Claude Code session. Type /mcp to confirm the server is connected. The tools will be automatically available in your conversation.

.mcp.json

{
  "mcpServers": {
    "ip2whois-mcp": {
      "type": "url",
      "url": "https://edge.vinkius.com/[YOUR_TOKEN_HERE]/mcp"
    }
  }
}

Get your connection token →

Independent Platform Disclaimer: Vinkius is an independent platform and is not affiliated with, endorsed by, sponsored by, verified by, or otherwise authorized by IP2WHOIS. All third-party trademarks, logos, and brand names are the property of their respective owners. Their use on this website is strictly for informational purposes to identify service compatibility and interoperability.

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Common questions about IP2WHOIS MCP in Claude Code

Run the command `claude mcp add --transport http ip2whois -- ` in your terminal. Claude Code will automatically register the server and configure it in your local settings.

Yes, you can use `bulk_whois_lookup` to check multiple domains at once. Claude Code processes the batch and outputs the results in a structured format that you can pipe to other CLI tools.

You can run `check_ip2whois_status` to verify your API connectivity. Claude Code will query the endpoint and confirm if your authentication token is valid and active.

The `check_domain_availability` tool lets you verify if a domain can be registered. It queries the live registry database and returns a simple status, making it easy to automate domain acquisition tasks.

The server only processes the target domain names and IP strings you pass to it, sending them over an encrypted HTTPS connection to the API. No local environment data or configuration files are ever shared or transmitted during these queries.

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