Claude Desktop

This guide details how to add Instant Domain Search's MCP to Claude's desktop application.

Requirements

While Instant Domain Search's MCP is free, you'll need access to Claude Pro or Claude Team to use Claude's custom connectors.

How it works

The Instant Domain Search MCP connects Claude directly to our real-time domain APIs, the same infrastructure that powers instantdomainsearch.com.

The MCP exposes three powerful tools to Claude:

  1. search_domains — Check bulk availability across multiple TLDs instantly
  2. generate_domain_variations — Get intelligent alternatives with pronounceable prefixes, suffixes, and semantic variations
  3. check_domain_availability — Verify any list of domains with definitive yes/no answers from authoritative sources

Setup Guide

Setting up the Instant Domain Search MCP takes less than two minutes:

Step 1: Open Claude Settings

In the Claude desktop app, click on "Claude" in the menu bar and select "Settings".

Step 2: Access Connectors

Click on "Connectors" in the left sidebar, then the "Add custom connector" button.

Step 3: Add Custom Connector

Fill in the following details:

  • Name: Instant Domain Search (or your preferred name)
  • URL: https://api.instantdomainsearch.com/mcp/streamable-http
  • Leave "Advanced settings" as default (no API key needed!)

Click "Add" to confirm. You can now go into a normal chat to prompt the MCP.

Step 4: Start Using It

To start using the MCP, you'll need to first prompt Instant Domain Search in the chat. This is as simple as asking:

Help me find a domain name for my Brooklyn matcha cafe

Before it queries Instant Domain Search, it will ask for permission. We recommend clicking "Allow always".

Claude desktop asking permission to use the Instant Domain Search MCP

After you allow the permissions, it will start using the MCP connection directly in the chat.

Privacy & Security

Your searches through the MCP are private and secure:

  • We query authoritative registries directly (Verisign, PIR, etc.)
  • Your domain history never gets shared with retail registrars; only when you click referral links to purchase
  • No risk of domain front-running or price manipulation
  • No API keys or authentication required

Need help?

Contact our team at hello@instantdomainsearch.com.

Getting started

Start a new conversation with Claude and try commands like:

  • "Find me an available .com domain for a coffee shop"
  • "Check if myawesomeidea.com is available"
  • "Generate variations of 'techstartup' that are available"
Claude desktop using the MCP to suggest available domains

The Instant Domain Search MCP transforms Claude into your intelligent domain research assistant — no browser tabs required.