Hebcal

io.github.hebcal/hebcal

Model Context Protocol extension for Hebrew calendar

healthy

status

tools exposed

624ms

connect latency

23463e4d0bf8

schema fingerprint

Tools (7)

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

shabbat-times

Generates Shabbat and holiday candle-lighting and Havdalah times for a given location and date range

Endpoint

https://www.hebcal.com/mcp
Category: Other · Last checked: 2026-07-30T13:54:29Z

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What this means. This server responded to the MCP handshake and listed its tools without authentication. The schema fingerprint lets us flag if tool signatures silently change (schema drift) between checks.