MCP tool
is_business_day
is_business_day is a tool name used by 2 different MCP servers. They are not necessarily the same tool — here is what each one does.
2 MCP servers expose a is_business_day tool: SA Business Calendar and Business Day Calendars. Their input schemas differ, so compare them below before picking one.
Servers exposing is_business_day
From the publisher:Is a date a weekend or SA public holiday? Returns the reason.
Install SA Business Calendar →From the publisher:Whether a date is a business day on one or more settlement calendars (NYSE, Fedwire/FedACH, TARGET2, UK), which holiday closes it, NYSE early closes, and the previous/next business day. Deterministic, no AI. Price: $0.001 USDC per call via x402 (Base); the first 5 calls per day per client are free.
Install Business Day Calendars →Parameter Type Description date*string Date YYYY-MM-DD calendarsstring Comma list of calendars; a day is a business day only if open in all. XNYS (NYSE), FED (Fedwire/FedACH), TARGET2 (EUR), UK-ENG. Aliases: NYSE, US, ACH, EUR, UK. Default FED.
Related tools
The same action under a namespaced name on other servers.
Tool lists are read from the live servers (or, for packaged servers, from their documentation) each morning, so this reflects what they exposed at the last refresh. Search all tools.