MCP Server

PubNub MCP Server MCP Server

Name: PubNub MCP Server MCP Server
Author: io.github.pubnub

io.github.pubnub/mcp-server

Repository Registry

What is the PubNub MCP Server MCP server?

PubNub Model Context Protocol MCP Server for Cursor and Claude

How to install PubNub MCP Server

Copy-paste configuration for popular MCP clients.

transport: stdio

Config generated by PluginBench — verify against the source before use.

Environment / auth

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

Claude Desktop

~/Library/Application Support/Claude/claude_desktop_config.json

{
  "mcpServers": {
    "mcp-server": {
      "command": "npx",
      "args": [
        "-y",
        "@pubnub/mcp"
      ],
      "env": {
        "PUBNUB_API_KEY": "<YOUR_PUBNUB_API_KEY>",
        "PUBNUB_PUBLISH_KEY": "<YOUR_PUBNUB_PUBLISH_KEY>",
        "PUBNUB_SUBSCRIBE_KEY": "<YOUR_PUBNUB_SUBSCRIBE_KEY>",
        "PUBNUB_USER_ID": "<YOUR_PUBNUB_USER_ID>",
        "PUBNUB_EMAIL": "<YOUR_PUBNUB_EMAIL>",
        "PUBNUB_PASSWORD": "<YOUR_PUBNUB_PASSWORD>"
      }
    }
  }
}

Cursor

~/.cursor/mcp.json

{
  "mcpServers": {
    "mcp-server": {
      "command": "npx",
      "args": [
        "-y",
        "@pubnub/mcp"
      ],
      "env": {
        "PUBNUB_API_KEY": "<YOUR_PUBNUB_API_KEY>",
        "PUBNUB_PUBLISH_KEY": "<YOUR_PUBNUB_PUBLISH_KEY>",
        "PUBNUB_SUBSCRIBE_KEY": "<YOUR_PUBNUB_SUBSCRIBE_KEY>",
        "PUBNUB_USER_ID": "<YOUR_PUBNUB_USER_ID>",
        "PUBNUB_EMAIL": "<YOUR_PUBNUB_EMAIL>",
        "PUBNUB_PASSWORD": "<YOUR_PUBNUB_PASSWORD>"
      }
    }
  }
}

Windsurf

~/.codeium/windsurf/mcp_config.json

{
  "mcpServers": {
    "mcp-server": {
      "command": "npx",
      "args": [
        "-y",
        "@pubnub/mcp"
      ],
      "env": {
        "PUBNUB_API_KEY": "<YOUR_PUBNUB_API_KEY>",
        "PUBNUB_PUBLISH_KEY": "<YOUR_PUBNUB_PUBLISH_KEY>",
        "PUBNUB_SUBSCRIBE_KEY": "<YOUR_PUBNUB_SUBSCRIBE_KEY>",
        "PUBNUB_USER_ID": "<YOUR_PUBNUB_USER_ID>",
        "PUBNUB_EMAIL": "<YOUR_PUBNUB_EMAIL>",
        "PUBNUB_PASSWORD": "<YOUR_PUBNUB_PASSWORD>"
      }
    }
  }
}

VS Code

.vscode/mcp.json

{
  "servers": {
    "mcp-server": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "@pubnub/mcp"
      ],
      "env": {
        "PUBNUB_API_KEY": "<YOUR_PUBNUB_API_KEY>",
        "PUBNUB_PUBLISH_KEY": "<YOUR_PUBNUB_PUBLISH_KEY>",
        "PUBNUB_SUBSCRIBE_KEY": "<YOUR_PUBNUB_SUBSCRIBE_KEY>",
        "PUBNUB_USER_ID": "<YOUR_PUBNUB_USER_ID>",
        "PUBNUB_EMAIL": "<YOUR_PUBNUB_EMAIL>",
        "PUBNUB_PASSWORD": "<YOUR_PUBNUB_PASSWORD>"
      }
    }
  }
}

Claude Code

claude mcp add mcp-server --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