"author:theluckystrike" matching MCP servers:

Enables AI assistants to retrieve current USPS retail postage prices from Notice 123, including Forever stamps, postcards, international letters, flat-rate boxes, and letter postage by weight with effective dates.

Enables AI assistants to look up current USPS holiday send-by dates by mail class, destination, and APO/FPO/DPO ZIP, calculate days left, and determine which services still deliver by Christmas using live usps.com data with a built-in fallback.