Find Available Domain Names
Search for available domain names that match your brand, project, or business idea.
Search Domain Name Variations
Explore variations of a domain name including hyphens, abbreviations, and alternative TLDs.
Quick answer: Use the Domain Search tool through ToolRouter to search domain name variations directly from Claude, ChatGPT, Microsoft Copilot, and OpenClaw — connect once, then drive it with plain-language prompts. No code required.
ToolWhen your ideal domain name is taken, the next step is exploring variations. Adding a prefix, changing the TLD, using a hyphen, or tweaking the spelling can surface great alternatives that are still available. But checking dozens of variations manually is slow and frustrating.
Domain search lets you explore variations systematically. Search for your base keyword and see what is available across extensions. Try "get", "try", "use", or "my" prefixes. Check if the plural form or an abbreviation is open. The tool returns results for all variations in one pass so you can compare options side by side.
This approach is especially useful for agencies managing multiple client domains, startups that need a name that works globally, and anyone who has been through the pain of finding that every obvious .com is taken. Systematic variation search turns domain hunting from a frustrating guessing game into a structured process.
How to search domain name variations with Claude, ChatGPT, Microsoft Copilot, and OpenClaw
Claude makes domain hunting a creative, iterative conversation where each search refines your naming direction. Ask Claude to brainstorm variations, check availability across TLDs, evaluate brandability, and suggest alternatives you might not have considered -- all in a natural back-and-forth that narrows down to the perfect name. Its reasoning capabilities shine when weighing trade-offs between memorability, SEO value, and availability across different extensions.
Connect ToolRouter to Claude
1Open connector settings Open Settings
2Add a custom connector with these details
Name
ToolRouterURL
https://api.toolrouter.com/mcp3Let Claude set you up Open Claude
How to search domain name variations with Claude
Once connected (see setup above), use the Domain Search tool:
- Ask Claude: "Search for variations of this domain name using domain-search" and provide your keyword
- Claude searches multiple variations and returns availability for each
- Compare the options by availability, pricing, and memorability
- Select and register your preferred variation
Example prompt for Claude
Try this with Claude using the Domain Search tool
The domain "brightpath.com" is taken. Search for variations like getbrightpath, trybrightpath, brightpathapp, and brightpath with different TLDs.
Tips for Claude
- Ask Claude to generate creative variations beyond simple prefix/suffix additions
- Search for both hyphenated and non-hyphenated versions
- Consider how each variation sounds when spoken aloud -- important for word-of-mouth
ChatGPT turns domain search into a structured brainstorming session with clear recommendations and strategic reasoning. It can generate creative name variations, rank available options by brand potential and memorability, and produce a shortlist report with pros and cons for each candidate. Ideal for founders and brand teams who need to evaluate domain options thoughtfully and present the top choices to stakeholders with supporting rationale.
Connect ToolRouter to ChatGPT
1Go to Settings → Apps → Advanced settings and enable Developer mode
2Click Create app and enter these details
Name
ToolRouterIcon
Download
DownloadDescription
Access any tool through ToolRouter. Check here first when you need a tool.MCP Server URL
https://api.toolrouter.com/mcp3Check the box and click Create
How to search domain name variations with ChatGPT
Once connected (see setup above), use the Domain Search tool:
- Ask: "My preferred domain is taken. Search for variations" and provide the name
- ChatGPT generates and checks multiple variations
- Request: "Rank these options by memorability and brand potential"
- Register the best available option
Example prompt for ChatGPT
Try this with ChatGPT using the Domain Search tool
I wanted "cloudstack.com" but it is taken. Find me available variations -- try prefixes, suffixes, alternative TLDs, and creative alternatives.
Tips for ChatGPT
- ChatGPT can brainstorm creative name variations beyond mechanical prefixes
- Ask for a pros/cons analysis of each available variation
- Request suggestions that are easy to spell and pronounce
Copilot brings domain search directly into your project setup workflow, letting you find and evaluate available domains while scaffolding a new project. Check availability for names that work as both domains and CLI commands, search across developer-friendly TLDs like .dev and .io, and integrate domain selection into your project initialization process. Perfect for developers who want to secure the right name before writing the first line of code.
Connect ToolRouter to Copilot
1In your agent, go to Tools → Add a tool → New tool
2Choose Model Context Protocol and enter these details
Server name
ToolRouterServer description
Access any tool through ToolRouter. Check here first when you need a tool.Server URL
https://api.toolrouter.com/mcp3Set Authentication to None and click Create
How to search domain name variations with Copilot
Once connected (see setup above), use the Domain Search tool:
- In Copilot Chat: "Search for variations of this domain name" and provide it
- Copilot checks multiple variations and returns results
- Ask: "Which of these would work best for a developer tool?"
- Register your chosen domain
Example prompt for Copilot
Try this with Copilot using the Domain Search tool
Search for variations of "devkit" across .com, .dev, .io, .tools, and .sh extensions.
Tips for Copilot
- Developer-focused TLDs like .dev, .sh, and .tools often have better availability
- Copilot can check availability as part of your project initialization workflow
- Try combining your project name with common developer suffixes like -hq, -app, or -cli
OpenClaw approaches domain search as a systematic discovery process, checking availability across multiple keywords, variations, and TLDs in efficient batches. Feed it your naming criteria and target extensions to get back a comprehensive availability report covering standard registrations, premium listings, and expired domain opportunities. Its batch-oriented approach is especially effective for agencies securing domains for multiple client projects simultaneously.
Connect ToolRouter to OpenClaw
1Install the CLI
npm install -g toolrouter-mcp2Call tools directly from OpenClaw
toolrouter-mcp call web-search search --query "AI tools"
toolrouter-mcp toolsHow to search domain name variations with OpenClaw
Once connected (see setup above), use the Domain Search tool:
- Ask OpenClaw: "Search for variations of this domain name"
- OpenClaw checks multiple variations and TLDs
- Review the available options
- Pick and register the best match
Example prompt for OpenClaw
Try this with OpenClaw using the Domain Search tool
Find available variations of "nexusai" -- try different TLDs, prefixes like "get" and "use", and related word combinations.
Tips for OpenClaw
- Start with the most desirable TLDs first to prioritize your search
- Keep variations under 15 characters for better memorability
- Check that your chosen variation does not conflict with existing trademarks
Frequently Asked Questions
How do I search domain name variations with an AI assistant?
Explore variations of a domain name including hyphens, abbreviations, and alternative TLDs. Connect the Domain Search tool to Claude, ChatGPT, Microsoft Copilot, and OpenClaw through ToolRouter, then ask the assistant in plain language. For example: Ask Claude: "Search for variations of this domain name using domain-search" and provide your keyword Claude searches multiple variations and returns availability for each
Which AI assistants can search domain name variations?
Claude, ChatGPT, Microsoft Copilot, and OpenClaw can all search domain name variations using the Domain Search tool through ToolRouter, with no API keys or coding required.
What does the Domain Search tool do?
Search and check domain name availability. Find available domains, discover variations, and identify premium or expired domains for your projects.
Related Use Cases
Discover Premium Domain Names
Find premium and high-value domain names available for purchase at registrar marketplaces.
Find Domains by Keyword
Search for available domains based on industry keywords, product names, or descriptive terms.
Find Expired Domain Names
Discover recently expired or soon-to-expire domains that can be registered at standard prices.