How to Use the Lob MCP in VS Code Copilot

Q: How do we share the Lob MCP configuration across our team in VS Code Copilot?

You save the server settings in your project's .vscode/mcp.json file and commit it to Git. Every developer on your team gets instant access to the mailing tools when they open the workspace.

Q: Can I retrieve tracking numbers for Lob mailings in VS Code Copilot?

Yes. You can ask Copilot to run listletters or getletter, which returns the tracking ID and estimated delivery date so you can troubleshoot delivery issues.

Q: How do we upload mailing templates using Lob and VS Code Copilot?

You can use the createtemplate tool to upload local HTML files. Your agent reads the file from your workspace and registers it as a reusable template in your account.

Q: What tools are available to manage our physical address book?

You can use createaddress, getaddress, listaddresses, and deleteaddress to programmatically clean and update your customer contact list.

Automate physical mailings and address verification directly from VS Code Copilot with team-wide configuration.

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Connect Lob MCP to VS Code Copilot

Create your Vinkius account to connect Lob to VS Code Copilot 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 VS Code Copilot

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Standardize customer data inside your workspace

The `verify_us_address` tool cleans up customer mailing databases directly from your terminal or chat panel. Your team can write scripts that call this tool to sanitize messy CSV files before running large-scale mail campaigns. By integrating `autocomplete_us_address`, you can build validation pipelines that check user input against official delivery records. This prevents undeliverable mail and saves on postage costs across your entire organization.

Deploy transactional mail from VS Code Copilot

The `create_letter` tool allows your development team to test and send physical letters using HTML templates stored in your repository. You can commit your templates to Git and use the MCP Server to trigger test mailings to verified test addresses. For quick updates, the `create_postcard` tool sends double-sided cards with custom front and back designs. If a bug is detected in your mailing script, you can use `cancel_letter` to stop pending letters before they go to print.

Audit and track physical disbursements

The `list_checks` tool pulls a complete history of physical checks sent through your account directly into your workspace. This helps your engineering and accounting teams audit disbursements and reconcile payments without leaving the IDE. You can use `get_check` to pull details for a single transaction, or `list_bank_accounts` to check which funding sources are currently active. This MCP Server setup makes physical financial tracking as simple as querying a database.

Setup guide

Set up Lob MCP in VS Code Copilot

Prerequisites

VS Code 1.99 or later with GitHub Copilot extension
Active Vinkius subscription with a valid endpoint token

1

Open MCP configuration

Open the Command Palette (Cmd+Shift+P / Ctrl+Shift+P) and run "MCP: Add Server". Select HTTP (Streamable) as the server type. VS Code will create .vscode/mcp.json in your workspace.
2

Add the Lob MCP

Paste the JSON snippet shown on the right into your .vscode/mcp.json. Replace [YOUR_TOKEN_HERE] with your endpoint token from cloud.vinkius.com.
3

Switch to Agent mode

Open Copilot Chat (Cmd+Shift+I / Ctrl+Shift+I) and switch to Agent mode using the dropdown. MCP tools are only available in Agent mode — they do not appear in Edit or Ask modes.
4

Verify the connection

In the Copilot Chat input, type # to list available tools. You should see the Lob tools listed. Try asking: "List my recent Lob transactions" and Copilot will invoke them automatically.

.vscode/mcp.json

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

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Independent Platform Disclaimer: Vinkius is an independent platform and is not affiliated with, endorsed by, sponsored by, verified by, or otherwise authorized by Lob. 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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Common questions about Lob MCP in VS Code Copilot

You save the server settings in your project's `.vscode/mcp.json` file and commit it to Git. Every developer on your team gets instant access to the mailing tools when they open the workspace.

Yes. You can ask Copilot to run `list_letters` or `get_letter`, which returns the tracking ID and estimated delivery date so you can troubleshoot delivery issues.

You can use the `create_template` tool to upload local HTML files. Your agent reads the file from your workspace and registers it as a reusable template in your account.

You can use `create_address`, `get_address`, `list_addresses`, and `delete_address` to programmatically clean and update your customer contact list.

This integration processes all transaction data, including recipient addresses and banking details from `create_bank_account`, through an MCP Server connection in a secure V8 isolate sandbox. No data is stored or cached, keeping your physical mail operations compliant.

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