PubNub MCP Server

PubNub Model Context Protocol MCP Server for Cursor and Claude

stdio v2.3.1

Connection Configuration

Add this to your AI agent's MCP config file to connect.

Run in your terminal:

claude mcp add io.github.pubnub--mcp-server -- npx

Transport

stdio

Authentication

None

Version

v2.3.1

Server Name

io.github.pubnub/mcp-server

Last Updated

Feb 17, 2026

How to install and connect this MCP server.

Environment variables you must provide when running this server.

Variable	Description	Required
`PUBNUB_API_KEY` secret	Your PubNub API Key. Required for all operations related to your account/keyset	Optional
`PUBNUB_PUBLISH_KEY` secret	Optional PubNub publish key for real-time operations	Optional
`PUBNUB_SUBSCRIBE_KEY` secret	Optional PubNub subscribe key for real-time operations	Optional
`PUBNUB_USER_ID`	Optional variable that can be provided to change the User ID for the SDK (real-time) operations (default: pubnub-mcp)	Optional
`PUBNUB_EMAIL`	(Deprecated - use API Key instead) Your PubNub account email. Required for all operations related to your account/keyset	Optional
`PUBNUB_PASSWORD` secret	(Deprecated - use API Key instead) Your PubNub account password. Required for all operations related to your account/keyset	Optional