"author:besimademi" matching MCP servers:

Exposes a wrapped legacy billing system to AI agents as typed, validated, read-only tools for listing customers with their pricing tiers, looking up individual customers, and calculating invoices (subtotal, tier discount, VAT, shipping, total) through a strangler facade. It also lets agents run the legacy and modern implementations on the same order and report whether they agree, with recoverable tool errors that guide the agent to valid inputs.