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Jewish calendar Model Context Protocol (MCP)

Hebcal.com is pleased to announce experimental support for Model Context Protocol (MCP), an open standard to enable AI models to access and interact with external tools and data sources.

Hebcal’s remote MCP server URL is:

https://www.hebcal.com/mcp

Claude users: read Getting started with Custom Integrations Using Remote MCP

MCP tools

convert-gregorian-to-hebrew
Converts a Gregorian (civil) date to a Hebrew date (Jewish calendar)

convert-hebrew-to-gregorian
Converts a Hebrew date to a Gregorian (civil) date

yahrzeit
Calculates the Yahrzeit, the anniversary of the day of death of a loved one, according to the Hebrew calendar for a specified date

torah-portion
Calculates the weekly Torah portion (also called parashat haShavua) for a specified date

jewish-holidays-year
Calculates a list of all Jewish holidays during a Gregorian (civil) year

daf-yomi
Calculates the Daf Yomi (Babylonian Talmud) learning for a specified date,