PubNub MCP Server for Cursor IDE

@stephenlb

Basic information

About PubNub MCP Server for Cursor IDE

PubNub MCP Model Context Protocol Server for use in Cursor, Claude Desktop, Claude Code and OpenAI Codex and more!

PubNub MCP Server for Cursor IDE config

Add this server to your MCP-compatible client using the configuration below.

{
  "mcpServers": {
    "pubnub-mcp-server-stephenlb": {
      "command": "npx",
      "args": [
        "-y",
        "@pubnub/mcp"
      ]
    }
  }
}

PubNub MCP Server for Cursor IDE tools

Tool list not available yet

This listing does not currently have a tool list to display. This does not mean the server has no tools; check its documentation for supported capabilities.

Fetch the live tool list by running this server in a temporary sandbox using the button above.

Overview

What is PubNub Model Context Protocol (MCP) Server for Cursor IDE?

The PubNub Model Context Protocol (MCP) Server for Cursor IDE is a CLI-based MCP server that exposes PubNub SDK documentation and PubNub Functions resources to LLM-powered tools, enabling prompt-driven access to PubNub capabilities.

How to use PubNub Model Context Protocol (MCP) Server for Cursor IDE?

Install via npx -y @pubnub/mcp (requires Node.js >= 18). Configure in Cursor IDE by adding a mcp.json entry with command: "npx", args: ["-y", "@pubnub/mcp"], and optional PubNub keys as environment variables. Invoke resources like pubnub://docs/javascript or tools like publish_pubnub_message from the chat interface.

Key features of PubNub Model Context Protocol (MCP) Server for Cursor IDE

Fetches formatted PubNub JavaScript, Python, and Java SDK documentation
Accesses PubNub Functions documentation from a static Markdown file
Publishes messages to PubNub channels
Lists available PubNub Functions
Retrieves message history and presence information
Works with Cursor IDE, Claude Code, and Claude Desktop

Use cases of PubNub Model Context Protocol (MCP) Server for Cursor IDE

Query PubNub SDK docs directly from an LLM chat (e.g., "Show me JavaScript SDK docs for subscribe()")
Publish messages to PubNub channels using natural language prompts
List available PubNub Functions resources
Fetch Python or Java SDK documentation for specific methods

Frequently asked questions

What are the runtime requirements?

Node.js >= 18 and npm are required.

Do I need a PubNub account and API keys?

A PubNub account and API keys are optional for live actions like publishing messages; the server can still serve static documentation without them.

How do I configure the server in Cursor IDE?

Add a `mcp.json` entry (global at `~/.cursor/mcp.json` or project-level `.cursor/mcp.json`) with the command `npx`, args `["-y", "@pubnub/mcp"]`, and optionally set environment variables for `PUBNUB_SUBSCRIBE_KEY` and `PUBNUB_PUBLISH_KEY`.

What transport protocol does the server use?

The server communicates over STDIN/STDOUT using JSON-RPC v2.0.

What documentation resources are available?

Resources include PubNub JavaScript, Python, and Java SDK docs, plus a static Markdown file for PubNub Functions.

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