MCP Servers

zulip-mcp

MCP server that exposes Zulip REST API tools via SSE, enabling message retrieval, stream/topic listing, draft management, and notifications.

README

Zulip MCP Server

An MCP server that wraps the Zulip REST API, exposing it as tools over SSE transport. Built with TypeScript and the official MCP SDK.

Available Tools

Tool	Description
`get_messages`	Fetch messages from Zulip. Supports narrow filters (by stream, topic, sender), anchoring, and pagination via `num_before`/`num_after`.
`get_message`	Fetch a single message by its ID.
`get_streams`	List channels (streams) visible to the authenticated user.
`get_topics`	List topics in a channel by its ID.
`get_drafts`	Retrieve all drafts for the authenticated user.
`create_drafts`	Create one or more message drafts (stream or private).
`edit_draft`	Edit an existing draft by ID (type, recipient, topic, content).
`delete_draft`	Delete a draft by ID.
`send_notification`	Send a direct message to the configured notification user (`ZULIP_NOTIFICATION_USER`).

Setup

Prerequisites

Node.js 22+ or Docker

Configuration

Copy the example env file and fill in your Zulip credentials:

cp .env.example .env

You'll need:

ZULIP_URL — your Zulip server URL (e.g. https://your-org.zulipchat.com)
ZULIP_EMAIL — the bot's email address
ZULIP_API_KEY — the bot's API key (see below)
ZULIP_NOTIFICATION_USER — email of the user to receive notifications via send_notification

Getting your Zulip API key

Log in to your Zulip organization
Go to Personal settings > Account & privacy
Scroll down to the API key section
Click Manage your API key and enter your password to reveal it

Alternatively, if you're using a bot account:

Go to Organization settings > Bots
Create a new bot or select an existing one
The API key is shown on the bot's card — click to copy it

See the Zulip API keys documentation for more details.

Run with Docker (recommended)

docker compose up -d

Run locally

npm install
npm run build
npm start

The server listens on http://localhost:3000/sse.

Claude Code Integration

Add this to your .mcp.json:

{
  "mcpServers": {
    "zulip": {
      "url": "http://localhost:3000/sse"
    }
  }
}

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