PubNub Model Context Protocol MCP Server for Cursor and Claude
To add PubNub MCP Server to Claude, run the install command below or copy the ready-made config for Claude Code, Claude Desktop, Cursor and VS Code further down. Restart your client after adding it and its tools show up in your next conversation. It needs 6 environment variables, listed below.
Install
npx -y @pubnub/mcp@2.3.2Environment variables
PUBNUB_API_KEYSet in your MCP configPUBNUB_PUBLISH_KEYSet in your MCP configPUBNUB_SUBSCRIBE_KEYSet in your MCP configPUBNUB_USER_IDSet in your MCP configPUBNUB_EMAILSet in your MCP configPUBNUB_PASSWORDSet in your MCP configInstall with your client
claude mcp add pubnub --env PUBNUB_API_KEY=<YOUR_PUBNUB_API_KEY> --env PUBNUB_PUBLISH_KEY=<YOUR_PUBNUB_PUBLISH_KEY> --env PUBNUB_SUBSCRIBE_KEY=<YOUR_PUBNUB_SUBSCRIBE_KEY> --env PUBNUB_USER_ID=<YOUR_PUBNUB_USER_ID> --env PUBNUB_EMAIL=<YOUR_PUBNUB_EMAIL> --env PUBNUB_PASSWORD=<YOUR_PUBNUB_PASSWORD> -- npx -y @pubnub/mcp@2.3.2
Run this in a terminal to add the server to Claude Code.
What this does
PubNub MCP Server exposes a set of tools to Claude over the Model Context Protocol. After you add it to claude_desktop_config.json (snippet above) and restart Claude Desktop, those tools become callable inside any conversation.
Requirements
This server needs the following environment variables to be set before it can run:
PUBNUB_API_KEY PUBNUB_PUBLISH_KEY PUBNUB_SUBSCRIBE_KEY PUBNUB_USER_ID PUBNUB_EMAIL PUBNUB_PASSWORD
Set these via the env object in your MCP config (see claude_desktop_config.json snippet above).
Frequently asked questions
How do I install PubNub MCP Server?
Run the Claude Code command in the install section to add PubNub MCP Server to Claude Code, or copy the ready-made config for your client from the install section on this page. Restart your client afterwards and the tools appear in your next conversation.
Which clients work with PubNub MCP Server?
This page carries setup and config for Claude Code, Claude Desktop, Cursor and VS Code. Any other MCP client that accepts a standard server config can connect to PubNub MCP Server as well.
Does PubNub MCP Server need an API key?
Yes. Before it can run, set these environment variables: PUBNUB_API_KEY, PUBNUB_PUBLISH_KEY, PUBNUB_SUBSCRIBE_KEY, PUBNUB_USER_ID, PUBNUB_EMAIL, PUBNUB_PASSWORD. They go in the env block of your MCP config.
Imported from the Official MCP Registry. The details above come from the registry entry; the maker can claim this listing to correct them, add docs, and see its traffic.
Is this your MCP server?
Claim this listing to see its traffic, fix details yourself, and skip the review queue on future updates.
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