commerce validators for Claude.ai

org.scienceswarm/commerce-validators

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

client:Claude.ai transport:streamable-http tools:10

Install commerce validators in Claude.ai

Settings → Connectors → Add custom connector

https://mcp.scienceswarm.org/mcp

Claude on the web takes a remote URL and completes OAuth in the browser. For a packaged server use Claude Desktop or Claude Code instead. Claude.ai docs

What Claude.ai can do once it is connected

validate_iban
validate_gtin
validate_aba_routing
validate_eu_vat
validate_eori
check_email_domain
vat_rate_by_country
stripe_connect_split
payout_reconciliation
reorder_point

commerce validators in other clients

Claude Code
Claude Desktop
Cursor
VS Code
Zed
Windsurf
Cline
Gemini CLI
Grok
ChatGPT
LangChain

commerce validators MCP server