Hebcal

Name: Hebcal
Author: hebcal

by hebcalcommunityv0.9.9

The Hebcal MCP server provides a way to generate Jewish holiday calendars and related information through standard input/output or HTTP using Server-Sent Events (SSE). It allows users to access Jewish holiday data for any year and includes features like Hebrew date conversion and Shabbat candle lighting times.

From the registry: Model Context Protocol extension for Hebrew calendar

GitHub Repository

Install & configure

Prerequisites

required

Clone and build

Clone the repo and build the TypeScript server

$ git clone https://github.com/hebcal/hebcal-mcp && cd hebcal-mcp && npm install && npm run build

Install in your client

Paste into the AI you're chatting with — it will figure out the rest

Please install the `hebcal` MCP server into my current AI client (that's you).

Required prerequisites (do these first if not already done):
- **Clone and build** — Clone the repo and build the TypeScript server Run: `git clone https://github.com/hebcal/hebcal-mcp && cd hebcal-mcp && npm install && npm run build`

Canonical MCP server config (stdio transport):
- command: `node`
- args: ["/path/to/hebcal-mcp/build/cli.js"]

Note: No npm package; install from source. Also supports SSE mode via build/server.js (default port 8080).

Add this MCP server to my current client's config in the correct format for you. If you need secrets or credentials I haven't provided, ASK me — do not invent values or leave raw placeholders. After adding it, tell me how to verify the server is connected.

Note: No npm package; install from source. Also supports SSE mode via build/server.js (default port 8080).