GCC e-Invoice Preflight Oracle for Claude.ai

tech.noahsarch/einvoice-preflight

Validate UAE PINT AE and Saudi ZATCA e-invoices: UBL, official Schematron, QR, fix hints.

client:Claude.ai transport:streamable-http tools:7

Install GCC e-Invoice Preflight Oracle in Claude.ai

Settings → Connectors → Add custom connector

https://einvoice.noahsarch.tech/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_invoice
readiness_report
extract_summary
list_rules
check_trn
zatca_qr_decode
zatca_qr_encode

GCC e-Invoice Preflight Oracle in other clients

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

GCC e-Invoice Preflight Oracle MCP server