# Lob MCP for AI Agents AI Agent Connect > Lob MCP lets you send physical mail like postcards, letters, and checks directly through your AI client. It handles address verification, tracking, and template management so you can run direct mail campaigns or automate physical payments without leaving your chat interface. ## Overview - **Category:** marketing-automation - **Price:** Free - **Endpoint:** https://edge.vinkius.com/vk_preview_l6GbZUPsQ7NqWUpWAnoUWSeNQZkvwtYKmPJFmEaP/ai-agent-connect - **Tags:** direct-mail, address-verification, print-automation, postal-services, campaign-management ## Description Connect your account to any AI agent and manage direct mail through natural conversation. If you need to send a batch of physical postcards for a new product launch or mail out a series of checks to vendors, you usually have to log into a separate portal, upload a spreadsheet, and double-check every single address. With this Connector, you just tell your AI agent what needs to happen. You can ask it to verify a list of addresses, create the mail pieces, and send them off in one go. It handles the heavy lifting of interacting with the postal system while you stay focused on the strategy. Whether you're running a high-volume marketing campaign or just need to get a few letters out to clients, this connection brings the physical world into your digital workflow. It's a core part of the Vinkius catalog, designed to bridge the gap between your chat window and the mailbox. You'll find it's a lot easier to manage your mail volume when you can just talk through the requirements. ## Tools ### autocomplete_address Get suggestions as you type an address to ensure it's correct. This helps you avoid delivery errors by providing real-time data. ### create_check Generate and send a physical check to a recipient. Use this to automate your payment process without manual printing. ### create_letter Send a physical letter with options for certified mail and custom inserts. This is perfect for formal notices or personalized mail. ### create_postcard Send a physical postcard using HTML or PDF designs for the front and back. It's a fast way to run direct mail marketing campaigns. ### get_mail_tracking Check the current status of a specific mail piece in the postal system. Use this to see exactly where your mail is in transit. ### list_letters See a list of all letters that have been sent. This gives you a clear history of your outgoing correspondence. ### list_postcards View a history of postcards sent through the account. Keep track of your previous marketing efforts in one place. ### verify_intl_address Confirm that an international address is valid and deliverable. This prevents your mail from being returned by international carriers. ### verify_us_address Check if a US address is valid and get standardized formatting. Use this to clean your mailing lists and ensure accurate delivery. ## Prompt Examples **Prompt:** ``` Verify if 456 Business Ave, Chicago, IL 60601 is a good address for a letter. ``` **Response:** ``` Address verified! * **Status:** Deliverable * **Type:** Residential * **Coordinates:** 41.8781, -87.6298 * **Standardized Format:** 456 Business Ave, Chicago, IL 60601 Your mail is ready to be sent. ``` **Prompt:** ``` Create a physical check for $500 to Acme Corp at 500 Industrial Way, Chicago, IL 60605. ``` **Response:** ``` Check created successfully! * **ID:** chk_8901 * **Amount:** $500.00 * **Recipient:** Acme Corp * **Address:** 500 Industrial Way, Chicago, IL 60605 * **Expected Delivery:** May 8-10 I can also mail this out for you now if you'd like. ``` **Prompt:** ``` Send a postcard to 123 Main St, New York, NY 10001 with a 'Welcome' message. ``` **Response:** ``` Postcard sent! * **ID:** pc_4421 * **Recipient:** 123 Main St, New York, NY 10001 * **Design:** Welcome Message * **Expected Delivery:** May 5-7 Tracking information has been updated in your history. ``` ## Capabilities ### Send physical letters Create and mail letters with options for certified mail and custom inserts. ### Mail postcards Send postcards with HTML or PDF designs for both the front and back. ### Print and mail checks Generate and send physical checks with payment details automatically. ### Verify addresses Check and standardize US and international addresses for deliverability. ### Track mail delivery Monitor the real-time status of mail pieces as they move through the postal system. ### Manage mail templates Browse and organize your existing mail designs and templates. ## Use Cases ### Sending a welcome kit A manager asks the agent to verify a new client's address and then send a welcome letter with a custom insert. ### Bulk postcard campaign A marketer tells the agent to send postcards to a list of 500 leads using a specific HTML design. ### Automated vendor payments A finance lead asks the agent to create and mail a $5,000 check to a specific vendor. ### Address cleanup An ops person asks the agent to verify a list of international addresses to see which ones are deliverable. ## Benefits - Stop manually entering addresses by using verify_us_address to clean your data automatically. - Launch marketing campaigns faster by using create_postcard to send designs directly from your chat. - Reduce finance overhead by using create_check to handle physical payments without manual printing. - Keep your team informed by using get_mail_tracking to see where every piece of mail is. - Save time on content by using list_letters and list_postcards to reuse existing mail pieces. - Ensure deliverability on global projects by using verify_intl_address for international shipping. ## How It Works The bottom line is you can move from a digital prompt to a physical mailbox in seconds. 1. Subscribe to the Connector and provide your Lob API key. 2. Tell your AI agent which mail pieces to create or verify. 3. Receive confirmation and tracking IDs for every piece sent. ## Frequently Asked Questions **Can the Lob MCP send physical postcards?** Yes, it allows your AI agent to send postcards using HTML or PDF designs for both the front and back. **Does this work for international mail?** Yes, you can use it to verify and send mail to international addresses. **Can I use it to mail physical checks?** It can create and mail physical checks with specific payment details and memos. **How do I track my mail?** Your agent can check the real-time status of any mail piece sent through the Lob MCP. **Can it verify if an address is deliverable?** Yes, it checks US and international addresses to ensure they are valid before you send anything. **Is this for digital emails?** No, this Connector is specifically for physical mail like letters, postcards, and checks. **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. **Does Lob use Basic Auth?** Yes. Lob uses **HTTP Basic Auth** with the API Key as username (no password) against `api.lob.com/v1`. **Can I verify US addresses?** Yes. Verify and standardize US addresses with CASS certification. Returns deliverability status, corrected addresses, and coordinates.