How to Use the Lob MCP in Claude Code

Q: How do I install the Lob MCP Server for Claude Code?

Use the claude mcp add command in your terminal. Point it to the server URL, and it will be ready for use in your scripts.

Q: Does this tool support check creation?

It does. You can automate payments by calling createcheck with the necessary bank account and recipient details from your terminal.

Q: Can I list my existing templates?

Yes. Run listtemplates to see all available HTML designs. You can then use the IDs in your createletter calls to send mail.

Integrate Lob into your CLI workflows. The Lob MCP Server lets you script physical mailings via Claude Code for automated operations.

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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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Script mail with Claude Code

Connect the server to your terminal to automate mailings in your CI/CD pipeline. Use `create_postcard` or `create_letter` in your shell scripts to trigger mail on demand. It works without a GUI. You pipe the output to your logs and keep your deployment process entirely in the terminal.

Automated address validation

Run `verify_us_address` as part of your data cleanup tasks. Claude Code validates your CSV or JSON files against the API before you trigger any print jobs. This prevents returned mail and wasted postage. It makes your backend processes reliable and efficient.

Monitor status via command line

Track your mailings by running `list_letters` or `list_checks` directly in your bash scripts. It returns the current status and delivery estimates for every item. You can build logic to alert your team if a mailing fails. It turns your physical operations into a managed, code-driven system.

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

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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-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 `claude mcp add` command in your terminal. Point it to the server URL, and it will be ready for use in your scripts.

Yes. You can write a loop that iterates through your local data and calls `verify_us_address` for each entry, logging the results to your terminal.

The server transmits your mailing data over an encrypted connection to the Lob API. Your secret tokens are kept in your local configuration, not the code.

It does. You can automate payments by calling `create_check` with the necessary bank account and recipient details from your terminal.

Yes. Run `list_templates` to see all available HTML designs. You can then use the IDs in your `create_letter` calls to send mail.

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