Apistack

Apistack is a free MCP server for facts that large language models often get wrong, including time zones, public holidays, and foreign exchange (FX) rates. It is available at apistack.online/mcp.

The server uses the Model Context Protocol, so compatible AI assistants and developer tools can connect to it and query these topics directly instead of relying on a model's built-in knowledge. This listing is based only on the product's public page metadata.