commerce validators for Claude Code

org.scienceswarm/commerce-validators

Commerce validators: live EU VAT (VIES), EORI, email/MX lookups; IBAN/ABA/GTIN checksums; VAT rates.

client:Claude Code transport:streamable-http tools:10

Install commerce validators in Claude Code

run in your project directory

claude mcp add --transport http commerce-validators https://mcp.scienceswarm.org/mcp

Adds it for this project only. Append --scope user to make it available everywhere. Claude Code docs