How to Use the Google Pub/Sub Topic MCP in Claude

Trigger cloud events directly from your local environment using Claude Desktop.

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Connect Google Pub/Sub Topic MCP to Claude Desktop

Create your Vinkius account to connect Google Pub/Sub Topic to Claude Desktop — we handle the hosting, security, and runtime updates so you don't have to. No server setup required.

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Setup Google Pub/Sub Topic with Claude Desktop

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Fire messages to Google Pub/Sub Topic

The `pubsub_publish_message` tool sends data straight into a configured Google Pub/Sub Topic. You'll use this when your agent needs to trigger an event in a cloud backend, making the process feel like calling a local API. This is critical for developers who need live system feedback without writing boilerplate code. Your AI client handles the connection and payload formatting so you just focus on the logic.

Integrate remote MCP servers

Using Claude Web, you don't need local setup. Just paste a remote MCP server URL into Settings > Integrations. Your agent can then talk to cloud services no matter where your browser is running. This makes the tool available across any device and plan—Free through Enterprise. It’s simple plug-and-play for anyone who needs live API data.

Access local resources (Desktop App)

When you run the Desktop App, your AI client can talk to things on your machine, including localhost or local databases. This means your agent can check internal service status before publishing anything. It’s ideal for debugging complex flows where the data needs to pass from a local process right into the Google Pub/Sub Topic.

Setup guide

Set up Google Pub/Sub Topic MCP in Claude Web or Desktop

1

Open Claude Settings

Go to claude.ai, click your profile icon, then navigate to Customize → Connectors.
2

Add Custom Connector

Click the "+" button and select Add custom connector. Paste your Vinkius endpoint URL: https://edge.vinkius.com/[YOUR_TOKEN_HERE]/mcp Replace [YOUR_TOKEN_HERE] with your token from cloud.vinkius.com. For OAuth-protected servers, expand Advanced settings to add credentials.
3

Start a conversation

Open a new chat. The Google Pub/Sub Topic MCP tools are available immediately — no restart needed.

Endpoint URL

https://edge.vinkius.com/[YOUR_TOKEN_HERE]/mcp

No configuration file needed — paste the URL directly in the Claude web interface.

Available on Free (1 connector), Pro, Max, Team, and Enterprise plans.

Prerequisites

Claude Desktop installed (macOS or Windows)
Active Vinkius subscription with a valid endpoint token

1

Open Claude Desktop Settings

Click the menu icon at the top-left corner, go to Settings → Developer → Edit Config. This opens claude_desktop_config.json in your default text editor.
2

Paste the Google Pub/Sub Topic MCP configuration

Copy the JSON snippet on the right into the mcpServers object. Replace [YOUR_TOKEN_HERE] with your endpoint token from cloud.vinkius.com.
3

Restart Claude Desktop

Close and reopen the application. Claude needs a full restart to load new MCPs — refreshing a conversation is not enough.
4

Verify the connection

Open a new conversation. Click the 🔌 icon at the bottom of the message input. You should see tools listed under google-pubsub-topic-mcp.

json

{
  "mcpServers": {
    "google-pubsub-topic-mcp": {
      "url": "https://edge.vinkius.com/[YOUR_TOKEN_HERE]/mcp"
    }
  }
}

Get your connection token →

Independent Platform Disclaimer: Vinkius is an independent platform and is not affiliated with, endorsed by, sponsored by, verified by, or otherwise authorized by Google Pub/Sub Topic. All third-party trademarks, logos, and brand names are the property of their respective owners. Their use on this website is strictly for informational purposes to identify service compatibility and interoperability.

Why Choose Vinkius

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Connect your favorite tools to your AI and see exactly what's happening — every request, every response, in real time.

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Common questions about Google Pub/Sub Topic MCP in Claude Desktop

You authenticate by setting up the MCP server connection in your developer configuration files. Since credentials pass through a zero-trust proxy, your keys are only used in transit and never stored on disk.

Yep. You connect via the Integrations setting by pasting the remote MCP server HTTPS URL. Once connected, your agent can execute `pubsub_publish_message` just like it does on the desktop app.

No, not always. If the MCP server is publicly reachable, you can connect it via the web browser settings and use it there without installing anything locally.

The tool handles general message payloads. You'll be dealing with string inputs that represent the messages you send to the topic, which your agent validates and formats before transmission.

Absolutely. Vinkius enforces 34+ security rules inside every MCP's V8 isolate sandbox. Plus, the audit trail for every call is cryptographically signed and tamper-proof.

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