PubNub MCP Server

by pubnubio.github.pubnub/mcp-serverv2.3.2

PubNub Model Context Protocol MCP Server for Cursor and Claude

33Node.jsstdioofficial registry

context tax

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security

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cold start

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freshness

Active16d ago

Install PubNub MCP server

claude mcp add pubnub -e PUBNUB_API_KEY='<pubnub-api-key>' -e PUBNUB_PUBLISH_KEY='<pubnub-publish-key>' -e PUBNUB_SUBSCRIBE_KEY='<pubnub-subscribe-key>' -e PUBNUB_PASSWORD='<pubnub-password>' -- npx -y @pubnub/mcp

{
  "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>"
      }
    }
  }
}

Add to ~/.cursor/mcp.json (global) or .cursor/mcp.json (project).

{
  "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>"
      }
    }
  }
}

Settings → Developer → Edit Config (claude_desktop_config.json), then restart.

{
  "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>"
      }
    }
  }
}

Add to .vscode/mcp.json in your workspace.

{
  "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>"
      }
    }
  }
}

Add to ~/.codeium/windsurf/mcp_config.json.

Configuration

Variable	Required	Secret	Description
PUBNUB_API_KEY	—	yes	Your PubNub API Key. Required for all operations related to your account/keyset
PUBNUB_PUBLISH_KEY	—	yes	Optional PubNub publish key for real-time operations
PUBNUB_SUBSCRIBE_KEY	—	yes	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	—	yes	(Deprecated - use API Key instead) Your PubNub account password. Required for all operations related to your account/keyset

Freshness

Active — last maintenance signal 16d ago. The newest of the signals below sets the band.

Last commit (default branch)
2026-09-23 · 16d ago · GitHub
Latest release
2026-05-20 · 5mo ago · GitHub · v2.3.4
Package published
no data · npm/PyPI
Registry entry updated
2026-03-16 · 7mo ago · official registry · v2.3.2

FAQ

›How do I install the PubNub MCP server in Claude Code?

Run: claude mcp add pubnub -e PUBNUB_API_KEY='<pubnub-api-key>' -e PUBNUB_PUBLISH_KEY='<pubnub-publish-key>' -e PUBNUB_SUBSCRIBE_KEY='<pubnub-subscribe-key>' -e PUBNUB_PASSWORD='<pubnub-password>' -- npx -y @pubnub/mcp. For Cursor, VS Code, Claude Desktop and Windsurf, use the install tabs above.

›Does PubNub require an API key?

Yes. It expects PUBNUB_API_KEY, PUBNUB_PUBLISH_KEY, PUBNUB_SUBSCRIBE_KEY, PUBNUB_PASSWORD, of which 4 are secrets.

›Can I use PubNub as a remote (hosted) MCP server?

No hosted endpoint is published; it runs locally over stdio.

›Is PubNub in the official MCP registry?

Yes, as io.github.pubnub/mcp-server.