Lob MCP, Ready to Go
Use the Lob MCP with Claude or Cursor to send physical postcards, letters, and checks via your AI agent. Automate your direct mail today.
No credit card required. Experience the power of this integration risk-free.
Send physical mail and postcards through your digital workspace.
Works with every AI agent you already use
…and any MCP-compatible client
How fast is the Lob MCP Server?
Average time for the server to become ready for requests over the last 13 days, measured until the initialize / tools/list handshake completes. Metrics are updated daily between 00:00 and 04:00 UTC. Create a free account, use this MCP on Vinkius Cloud, and connect it to your AI agent in seconds.
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What AI agents can do with Lob MCP with 9 Tools for Direct Mail
Send physical mail, verify addresses, and track deliveries using your AI agent.
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.
One MCP enables access. Vinkius turns MCPs into production-ready infrastructure.
You're looking at one of 5,700+ managed MCPs. The real value isn't the catalog. It's the control plane that secures, governs, audits, and manages every interaction between your agents and the tools they use.
No Shadow AI
Every agent action is visible, approved, and auditable. Nothing runs outside your governance.
Absolute agent control
Fine-grained permissions for every agent, MCP, and tool. Instantly revoke access and audit every execution.
Cost control per token
Spend broken down to the token, tool, and agent. Budgets and hard limits. No surprise invoices.
Managed & monitored infra
We operate the runtime, authentication, scaling, retries, and monitoring. Your team manages AI, not infrastructure.
Data protection, DLP by design
Sensitive data is filtered before reaching the model. Access is governed so agents receive only the information they're allowed to use.
Token optimization, real savings
Lower AI costs by delivering the right context instead of unnecessary tools. Better accuracy, faster responses, and fewer wasted tokens.
Lob MCP for Direct Mail and Postal Automation
This is for marketing managers tired of manual mailing lists, finance teams who want to automate check printing, and ops leads who need to ensure mail actually reaches its destination.
Marketing Manager
Runs direct mail campaigns by asking the agent to send postcards to specific segments.
Finance Clerk
Automates the process of mailing physical checks to vendors using a simple prompt.
Operations Coordinator
Verifies large lists of addresses to prevent returned mail and tracks delivery status.
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 MCP 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.
Your AI, connected to everything.
No credit card required · Free tier available
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