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

Q: Can Claude Desktop automatically pull from a Google Pub/Sub Subscription?

Yes, your agent can invoke the pullmessages tool during a conversation. You trigger the command, and the agent fetches the latest batch for you to review.

Q: What happens if I forget to acknowledge a message?

If you don't run acknowledgemessages, the system assumes processing failed. The message stays in the queue and will be redelivered to the next request.

Connect Claude Desktop to your message queues and process events directly from your local environment with this MCP Server.

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Connect Google Pub/Sub Subscription MCP to Claude Desktop

Create your Vinkius account to connect Google Pub/Sub Subscription to Claude Desktop and route execution through our secure gateway. The platform manages server hosting, runtime updates, and security layers. Configuration requires no manual server provisioning.

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Setup Google Pub/Sub Subscription with Claude Desktop

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Direct message consumption in Claude Desktop

Use `pull_messages` to grab events straight from your queue. You get the raw payload inside your chat session without leaving the interface. Everything happens over stdio, keeping your data local to your machine. It’s the fastest way to inspect event flow while you work.

Reliable message acknowledgment for your agent

Once you verify the data, trigger `acknowledge_messages` to commit the transaction. This clears the queue and prevents duplicate processing. Keep your workflow clean by closing out tasks as soon as the agent finishes its logic. It's a simple loop that keeps your system state consistent.

Secure event handling for Claude Desktop

This MCP Server relies on your existing Google Cloud credentials for access. Your agent only sees the messages you explicitly pull. Configuration is handled via your local config file, keeping your environment isolated. No extra overhead, just direct access to your data.

Setup guide

Set up Google Pub/Sub Subscription 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 Subscription 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 Subscription 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-subscription-mcp.

json

{
  "mcpServers": {
    "google-pubsub-subscription-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 Subscription. 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.

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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 Subscription MCP in Claude Desktop

Open your local config file, add the server details under the mcpServers key, and restart the app. You'll see the tools appear in the chat interface once the connection initializes.

Yes, your agent can invoke the `pull_messages` tool during a conversation. You trigger the command, and the agent fetches the latest batch for you to review.

It is secure because the connection runs locally on your machine. You control the IAM permissions, and your agent only interacts with the subscription you define in your config.

If you don't run `acknowledge_messages`, the system assumes processing failed. The message stays in the queue and will be redelivered to the next request.

No. The server acts as a transient bridge between Google Cloud and your AI client. It only touches the raw message data during the active pull and ack cycle.

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