"Zig" matching MCP servers:

Enables AI agents to query The Economist's Big Mac index from 2000 to the latest release, retrieving a country's local price, dollar price and exchange rate, or ranking currencies by how over- or under-valued they are against the dollar, euro, pound, yen or yuan, both raw and GDP-adjusted. Keyless, with historical releases, alias handling and full source attribution.

Enables looking up ZIP-to-county and county-to-ZIP relationships using HUD's official USPS ZIP Code Crosswalk API, with population-overlap filtering to handle ZIP codes crossing county lines.