tldx

tldx

Open Source

Fast CLI to bulk-check domains via RDAP & MCP

Finding a good domain is half the battle. tldx is a blazing-fast, concurrent CLI tool that generates and checks domain availability in bulk via RDAP. Mix keywords, prefixes/suffixes, or regex, and stream results to stdout, JSON, or CSV. Plus, tldx includes an MCP server, empowering AI agents (like Claude) to brainstorm and verify domains for you automatically! Install via Homebrew (brew install tldx). Say goodbye to rate-limits and legacy whois parsing. 100% Free & Open Source in Go.

tldx is a Open Source company. It launched on Product Hunt on May 25, 2026, with 109 upvotes. Adamlead has 1 person on file at tldx.

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  1. Fast CLI to bulk-check domains via RDAP & MCP

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Adamlead has 1 person on file at tldx, including Brandon Young (Maker). Each email shows whether it has been verified.