vietnam-mst-validate

name	vietnam-mst-validate
description	Validate Vietnamese tax identifiers (MST) for accounts, invoices, and vendor records. Use when user asks to "validate this MST", "check Vietnamese tax ID", or "clean company tax code". Outputs normalized digits, shape validation, and a provider lookup request when online verification is available.
metadata	{"version":"1.0.0","module":"skill"}
allowed_memory_scopes	{"read":["company:*"]}
allowed_mcp_tools	["audit.append"]

vietnam-mst-validate

Normalize separators, validate 10-digit and 13-digit MST forms, and prepare GDT lookup metadata.