How to Use the Lob MCP in Claude Code

Q: How do I configure Lob for Claude Code?

Use the command line to add the server: claude mcp add --transport http -- . Verify the connection by running claude mcp list.

Q: Can I automate Lob checks with Claude Code?

Yes. You can write a script that invokes createcheck whenever a payment trigger occurs. Claude Code handles the request in the background.

Q: Does Claude Code support Lob address verification?

It does. You can call verifyusaddress directly from your terminal. It's useful for cleaning CSV files or database exports before bulk mailings.

Q: How do I check mail status in Claude Code?

Run the getmailtracking tool with your mail ID. Claude Code will output the raw tracking data to your terminal window.

Connect Claude Code to the terminal to script physical mail, check printing, and address validation.

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Connect Lob MCP to Claude Code

Create your Vinkius account to connect Lob to Claude Code 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 Claude Code

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Script mail pipelines with Claude Code

Use `create_letter` or `create_check` inside your shell scripts to trigger physical mail from your CI/CD pipeline. Claude Code executes these commands headlessly. It handles the API interaction while you focus on the logic. You can pipe the output into other command-line tools to monitor your production runs.

Automated address validation in Claude Code

Integrate `verify_us_address` into your data cleaning scripts. Claude Code runs the validation against your database, ensuring every mailing address is accurate before the job starts. It catches errors at the source. This prevents failed deliveries and wasted postage in your automated workflows.

Headless mail tracking via Claude Code

Monitor your mail flow by running `get_mail_tracking` via the command line. Claude Code returns the status codes for your mail pieces instantly. You can chain this with other scripts to trigger alerts if a delivery fails. It gives you deep control over the physical fulfillment lifecycle.

Setup guide

Set up Lob MCP in Claude Code

Prerequisites

Claude Code CLI installed (npm install -g @anthropic-ai/claude-code)
Active Vinkius subscription with a valid endpoint token

1

Run the add command

Open your terminal and run the command shown on the right. Replace [YOUR_TOKEN_HERE] with your endpoint token from cloud.vinkius.com. Use --scope user to make it available across all projects.
2

Verify the connection

Start a Claude Code session and type /mcp to list connected servers. You should see lob-alternative-mcp with a green status indicator.
3

Start using tools

Ask Claude Code something like "Check my latest Lob transactions." It will automatically discover and invoke the available Lob tools.

Terminal

claude mcp add --transport http lob-alternative-mcp https://edge.vinkius.com/[YOUR_TOKEN_HERE]/mcp

Get your connection token →

Prerequisites

Claude Code CLI installed
Active Vinkius subscription with a valid endpoint token

1

Open the config file

Create or edit .mcp.json in your project root for project-level scope, or ~/.claude.json for user-level scope.
2

Add the Lob MCP

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

Restart Claude Code

Start a new Claude Code session. Type /mcp to confirm the server is connected. The tools will be automatically available in your conversation.

.mcp.json

{
  "mcpServers": {
    "lob-alternative-mcp": {
      "type": "url",
      "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 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 Claude Code

Use the command line to add the server: `claude mcp add --transport http -- `. Verify the connection by running `claude mcp list`.

Yes. You can write a script that invokes `create_check` whenever a payment trigger occurs. Claude Code handles the request in the background.

It does. You can call `verify_us_address` directly from your terminal. It's useful for cleaning CSV files or database exports before bulk mailings.

Run the `get_mail_tracking` tool with your mail ID. Claude Code will output the raw tracking data to your terminal window.

Your mailing addresses and recipient details are handled through encrypted HTTPS requests. The server doesn't cache your sensitive data between execution sessions.

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