Download PDFMarkdown Version
ClaudeChatGPTPerplexityGeminiMicrosoft CopilotRaycastMeta AIGrokZ.aiQwenKimi
DeepSeekMistralCursorVS CodeWindsurfJetBrainsClineLovableVercel AI SDKLangChain

Use Lob with your AI.

Connect your account once and let the AI you already use work with it, without building another integration. Send physical mail programmatically with an API for postcards, letters, and checks that integrates into your digital workflows.

Included with plan

Ask AI about this Connector

Developed, maintained, and hosted by Vinkius.

MCP VERIFIED · PRODUCTION READY · VINKIUS GUARANTEED

Waiting for input…

Works with modern AI clients that support MCP, including ChatGPT, Claude, Cursor, and more.

ChatGPTClaudeCursorPerplexityGeminiMicrosoft CopilotRaycastMeta AI

Complete set · 9 capabilities

The complete Lob capability set.

These are the exact actions your AI can choose when you ask it to work with Lob.

Capability set01 / 03

01-03

3 capabilities in this set.

Part of 9 available through Lob.

  1. 01

    Create letter

    Supports certified mail and custom inserts. Send a physical letter

  2. 02

    List letters

    List sent letters

  3. 03

    Autocomplete address

    Suggest address completions

Capability set02 / 03

04-06

3 capabilities in this set.

Part of 9 available through Lob.

  1. 04

    Create check

    Send a physical check

  2. 05

    Create postcard

    Supports HTML or PDF for front and back. Send a physical postcard

  3. 06

    Get mail tracking

    Track a mail piece

Capability set03 / 03

07-09

3 capabilities in this set.

Part of 9 available through Lob.

  1. 07

    List postcards

    List sent postcards

  2. 08

    Verify intl address

    Verify an international address

  3. 09

    Verify us address

    Verify a US address

Observed, not estimated

878ms average. Fast in production.

Lob is checked daily against the live service.

Daily averagePeak 1074ms
Aug 20Today
Fastest day
745ms
Slowest day
1074ms
14-day trend
Slowing+7%

Connect your client

One URL. Every client.

Activate the Connector, copy your link, and paste it into the client you already use. 9 capabilities arrive ready to run.

Preview access · not provider authentication

The vk_preview_* token belongs to Vinkius preview infrastructure. It lets Claude discover and display the capabilities of Lob, so you can see the experience inside your AI.

It does not authenticate your account with Lob. Actions requiring credentials or live account data may not run until you activate the Connector and authorize the service.

Lob Connector

You're all set. Choose your MCP client and follow the setup instructions.

Connector linkhttps://edge.vinkius.com/vk_preview_QGpJ6KHhrS8a6OlK7vmqkJoZPOKxvw7lIUko4Mcm/mcp

Claude Desktop

Follow the steps below to connect in seconds.

  1. 1In Claude Desktop, open Settings → Connectors.
  2. 2Click “Add custom connector” and paste the connector link above as the remote MCP server URL.
  3. 3Click Add and start a new chat — Lob capabilities are ready to use.
Configuration · claude_desktop_config.jsonCopy
{
  "mcpServers": {
    "lob-mcp": {
      "url": "https://edge.vinkius.com/vk_preview_QGpJ6KHhrS8a6OlK7vmqkJoZPOKxvw7lIUko4Mcm/mcp"
    }
  }
}
  • Claude
  • ChatGPT
  • Cursor
  • VS Code
  • Windsurf
  • Claude Code
  • JetBrains
  • Cline

Step-by-step instructions for each client are in the guide. How to connect

FAQ

Questions Lob owners ask.

  • 01

    Can I send letters and postcards through the AI agent?

    Yes. Create and send letters with PDF/HTML content and postcards with custom designs. Track delivery through the postal system.

  • 02

    Does Lob use Basic Auth?

    Yes. Lob uses HTTP Basic Auth with the API Key as username (no password) against api.lob.com/v1.

  • 03

    Can I verify US addresses?

    Yes. Verify and standardize US addresses with CASS certification. Returns deliverability status, corrected addresses, and coordinates.

Explore

More in Marketing Automation

Suggestions