PubNub MCP Server

Name: PubNub MCP Server
Author: PubNub

PubNubOfficial

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Gives coding agents PubNub SDK documentation and API access for building realtime apps with PubNub.

Setup

Choose your client, copy the config, then fill in any required environment variables.

Add to Cursor Add to VS Code

claude mcp add pubnub --env PUBNUB_API_KEY='<PUBNUB_API_KEY>' --env PUBNUB_PUBLISH_KEY='<PUBNUB_PUBLISH_KEY>' --env PUBNUB_SUBSCRIBE_KEY='<PUBNUB_SUBSCRIBE_KEY>' --env PUBNUB_PASSWORD='<PUBNUB_PASSWORD>' -- npx -y @pubnub/mcp

~/.codex/config.toml

[mcp_servers.pubnub]
command = "npx"
args = ["-y", "@pubnub/mcp"]
env = { PUBNUB_API_KEY = "<PUBNUB_API_KEY>", PUBNUB_PUBLISH_KEY = "<PUBNUB_PUBLISH_KEY>", PUBNUB_SUBSCRIBE_KEY = "<PUBNUB_SUBSCRIBE_KEY>", PUBNUB_PASSWORD = "<PUBNUB_PASSWORD>" }

# codex mcp add pubnub --env PUBNUB_API_KEY='<PUBNUB_API_KEY>' --env PUBNUB_PUBLISH_KEY='<PUBNUB_PUBLISH_KEY>' --env PUBNUB_SUBSCRIBE_KEY='<PUBNUB_SUBSCRIBE_KEY>' --env PUBNUB_PASSWORD='<PUBNUB_PASSWORD>' -- npx -y @pubnub/mcp

~/.cursor/mcp.json

{
  "mcpServers": {
    "pubnub": {
      "command": "npx",
      "args": [
        "-y",
        "@pubnub/mcp"
      ],
      "env": {
        "PUBNUB_API_KEY": "<PUBNUB_API_KEY>",
        "PUBNUB_PUBLISH_KEY": "<PUBNUB_PUBLISH_KEY>",
        "PUBNUB_SUBSCRIBE_KEY": "<PUBNUB_SUBSCRIBE_KEY>",
        "PUBNUB_PASSWORD": "<PUBNUB_PASSWORD>"
      }
    }
  }
}

.vscode/mcp.json

{
  "servers": {
    "pubnub": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "@pubnub/mcp"
      ],
      "env": {
        "PUBNUB_API_KEY": "<PUBNUB_API_KEY>",
        "PUBNUB_PUBLISH_KEY": "<PUBNUB_PUBLISH_KEY>",
        "PUBNUB_SUBSCRIBE_KEY": "<PUBNUB_SUBSCRIBE_KEY>",
        "PUBNUB_PASSWORD": "<PUBNUB_PASSWORD>"
      }
    }
  }
}

~/.gemini/settings.json

{
  "mcpServers": {
    "pubnub": {
      "command": "npx",
      "args": [
        "-y",
        "@pubnub/mcp"
      ],
      "env": {
        "PUBNUB_API_KEY": "<PUBNUB_API_KEY>",
        "PUBNUB_PUBLISH_KEY": "<PUBNUB_PUBLISH_KEY>",
        "PUBNUB_SUBSCRIBE_KEY": "<PUBNUB_SUBSCRIBE_KEY>",
        "PUBNUB_PASSWORD": "<PUBNUB_PASSWORD>"
      }
    }
  }
}

claude_desktop_config.json

{
  "mcpServers": {
    "pubnub": {
      "command": "npx",
      "args": [
        "-y",
        "@pubnub/mcp"
      ],
      "env": {
        "PUBNUB_API_KEY": "<PUBNUB_API_KEY>",
        "PUBNUB_PUBLISH_KEY": "<PUBNUB_PUBLISH_KEY>",
        "PUBNUB_SUBSCRIBE_KEY": "<PUBNUB_SUBSCRIBE_KEY>",
        "PUBNUB_PASSWORD": "<PUBNUB_PASSWORD>"
      }
    }
  }
}

.trae/mcp.json

{
  "mcpServers": {
    "pubnub": {
      "command": "npx",
      "args": [
        "-y",
        "@pubnub/mcp"
      ],
      "env": {
        "PUBNUB_API_KEY": "<PUBNUB_API_KEY>",
        "PUBNUB_PUBLISH_KEY": "<PUBNUB_PUBLISH_KEY>",
        "PUBNUB_SUBSCRIBE_KEY": "<PUBNUB_SUBSCRIBE_KEY>",
        "PUBNUB_PASSWORD": "<PUBNUB_PASSWORD>"
      }
    }
  }
}

Environment variables

PUBNUB_API_KEY
PUBNUB_PUBLISH_KEY
PUBNUB_SUBSCRIBE_KEY
PUBNUB_PASSWORD

Replace the placeholders with your own credentials and keep them out of version control.

Setup

Environment variables

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