PubNub FAQs

Question 1

What is the PubNub Model Context Protocol (MCP) Server?

Accepted Answer

The PubNub MCP Server exposes PubNub SDK documentation and API resources to Large Language Model (LLM)-powered tools, improving their ability to interact with PubNub's SDKs and APIs for AI-driven code generation and development.

Question 2

How does the PubNub MCP Server work with Cursor IDE?

Accepted Answer

The MCP Server integrates with Cursor IDE via a JSON configuration file. Cursor IDE discovers and uses the server to provide LLMs with context about PubNub APIs, allowing for intelligent code completion and generation.

Question 3

What are the prerequisites for using the PubNub MCP Server?

Accepted Answer

You need Node.js (>= 18) and npm installed. For use with Cursor IDE, Cursor needs to be in AGENT MODE. A PubNub account and API keys are optional for live examples.

Question 4

How do I install and configure the PubNub MCP Server?

Accepted Answer

The preferred way is to run `npx -y @pubnub/mcp`. Configure Cursor IDE globally or per project using a `.cursor/mcp.json` file with the necessary command and environment variables (PUBNUB_SUBSCRIBE_KEY, PUBNUB_PUBLISH_KEY).

Question 5

Can I use the PubNub MCP server with Claude?

Accepted Answer

Yes, you can use the PubNub MCP server with both Claude Code and Claude Desktop. Instructions for adding the server are provided in the README.

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