How to Use the Lob MCP in Cline

Q: Can Cline use Lob to automate my billing checks?

Absolutely. Cline can call createcheck to process payments. It manages the bank account mapping and ensures the check details are sent to the API.

Q: What if I need to update a mailing?

If you need to change a recipient, you can use deleteaddress or createaddress to manage your book. Cline keeps your records current.

Cline handles your physical mailings end-to-end. Use the Lob MCP Server to automate letters, postcards, and checks directly from VS Code.

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Connect Lob MCP to Cline

Create your Vinkius account to connect Lob to Cline 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 Lob with Cline

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Cline executes mail tasks

Give Cline a task like 'send a welcome letter to this new user'. It calls `verify_us_address` to clean the input and then executes `create_letter` to dispatch the mail. You watch the agent work in real-time. It handles the API handshake and confirms once the item is queued for production.

Audit your mail history

Cline can scan your recent mailings to verify delivery status. It uses `list_letters` to pull the latest tracking info and reports back to your terminal. This keeps your records synced. You never have to log into a separate dashboard to see if your physical mail was sent.

Create reusable mail designs

Store your brand assets using `create_template`. Cline pulls these templates whenever you need to send a postcard or a letter, ensuring consistent formatting. It saves you from rewriting HTML for every mail piece. Just define the variables, and the agent injects the data.

Setup guide

Set up Lob MCP in Cline

Prerequisites

VS Code with Cline extension installed
Active Vinkius subscription with a valid endpoint token

1

Open Cline MCP settings

Click the Cline icon in the VS Code sidebar to open the Cline panel. Then click the MCP Servers icon (server stack) at the top-right corner of the panel.
2

Add a remote server

Click "Remote Servers" at the top, then click "Add Remote MCP". In the Name field, type lob-mcp. In the URL field, paste your Vinkius endpoint: https://edge.vinkius.com/[YOUR_TOKEN_HERE]/mcp. Get your token from cloud.vinkius.com.
3

Enable the server

After saving, the server appears in the Cline MCP panel. Toggle the switch to enable it. The status indicator turns green when the connection is live.
4

Start using tools

Return to the Cline chat and ask: "Check my latest Lob refund status." Cline will discover the available tools and request your approval before invoking each one — giving you full control over every action.

Cline MCP Settings

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

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Common questions about Lob MCP in Cline

Open the MCP Servers icon in your Cline sidebar. You can add the server by URL or edit the `cline_mcp_settings.json` file directly to enable the integration.

Absolutely. Cline can call `create_check` to process payments. It manages the bank account mapping and ensures the check details are sent to the API.

Your mailing addresses are processed solely by the Lob API for delivery. Cline only acts as the interface to send these commands securely.

It does. You can ask Cline to verify your list of contacts using `verify_us_address` before you initiate any large mail campaigns.

If you need to change a recipient, you can use `delete_address` or `create_address` to manage your book. Cline keeps your records current.

Use it with your favorite AI tools

Connect this server to Cursor, Claude, VS Code, and more.