Your domains, in your AI assistant

Things you can ask

• What's expiring in my portfolio this quarter?
• Find me a short name for a journaling app and watch the good ones.
• Is warchest.dev still available? Add it to my portfolio if I bought it.
• Which of my watched domains became available?

Connect your client

Claude

Settings, then Connectors, then Add custom connector. Paste the endpoint URL.

Claude Code

claude mcp add --transport http domainbase https://domainbase.app/mcp

Cursor

Add to mcpServers in ~/.cursor/mcp.json with the endpoint URL.

ChatGPT

Enable Developer Mode under Settings, Apps and Connectors, then add the URL.

Tools

Eleven tools, generated from the same definitions the server runs. Read tools see; write tools act, and only with the write scope you approve.

• search_domainsread

  Check live availability for a name across up to 20 TLD endings using registry data (DNS and RDAP). Pass a word like 'warchest' to check the most relevant endings, or pass specific TLDs. Results include status (available, registered, likely-available, unknown) and expiry when known.

  • query: The name to search, with or without a TLD
  • tlds (optional): Specific TLDs to check, like ['dev','app']. At most 20 are checked per call.
• get_domainread

  Full facts for one domain: availability status, registrar, registration and expiry dates, nameservers, plus your relationship to it (in your portfolio, verified, watching, listed for sale).

  • domain: A full domain name, like warchest.dev
• list_portfolioread

  List every domain in your Domainbase portfolio with status, registrar, expiry date, visibility, verification state, and for-sale flag.

• list_watchesread

  List the domains you are watching for availability and expiry changes, with current status and expiry date.

• list_expiringread

  Domains from your portfolio and watches that expire within a window (default 60 days), sorted soonest first with days remaining. The fastest way to answer 'what needs renewing?'

  • within_days (optional): Window in days (default 60)
• add_to_portfoliowrite

  Add a domain you own to your Domainbase portfolio. Returns the DNS TXT record to set for ownership verification: create the record, then call check_verification. Portfolios are capped at 100 domains.

  • domain: A full domain name, like warchest.dev
  • visibility (optional): Whether the domain shows on your public profile once verified (default public)
• check_verificationwrite

  Re-check the DNS TXT record for a portfolio domain right now and mark it verified if the record matches. Use after setting the record from add_to_portfolio.

  • domain: A full domain name, like warchest.dev
• update_portfolio_domainwrite

  Change a portfolio domain's visibility (public or private) or its for-sale listing. Listing for sale requires the domain to be verified.

  • domain: A full domain name, like warchest.dev
  • visibility (optional): Set to public to show on your profile, private to hide it
  • for_sale (optional): List or unlist the domain for sale
• remove_from_portfoliowrite

  Remove a domain from your portfolio. This deletes its verification state; re-adding later means re-verifying.

  • domain: A full domain name, like warchest.dev
• add_watchwrite

  Watch a domain: you get email alerts before it expires, and it appears in list_expiring. Watches are capped at 200 domains.

  • domain: A full domain name, like warchest.dev
• remove_watchwrite

  Remove a domain from your watch list.

  • domain: A full domain name, like warchest.dev