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Lob MCP Server for WindsurfGive Windsurf instant access to 9 tools to Autocomplete Address, Create Check, Create Letter, and more

Built by Vinkius GDPR 9 Tools IDE

Windsurf brings agentic AI coding to a purpose-built IDE. Connect Lob through Vinkius and Cascade will auto-discover every tool. ask questions, generate code, and act on live data without leaving your editor.

Use with Your AI Agent

Ask AI about this App Connector for Windsurf

Open in ChatGPT Open in Claude Open in Perplexity

The Lob app connector for Windsurf is a standout in the Marketing Automation category — giving your AI agent 9 tools to work with, ready to go from day one.

Vinkius delivers Streamable HTTP and SSE to any MCP client

RecommendedModern Approach — Zero Configuration

Vinkius Desktop App

The modern way to manage MCP Servers — no config files, no terminal commands. Install Lob and 3,400+ MCP Servers from a single visual interface.

Vinkius Desktop InterfaceVinkius Desktop InterfaceVinkius Desktop InterfaceVinkius Desktop Interface
Download Free Open SourceNo signup required
Classic Setup·json
{
  "mcpServers": {
    "lob-alternative": {
      "url": "https://edge.vinkius.com/[YOUR_TOKEN_HERE]/mcp"
    }
  }
}
Lob
Fully ManagedVinkius Servers
60%Token savings
High SecurityEnterprise-grade
IAMAccess control
EU AI ActCompliant
DLPData protection
V8 IsolateSandboxed
Ed25519Audit chain
<40msKill switch
Stream every event to Splunk, Datadog, or your own webhook in real-time

* Every MCP server runs on Vinkius-managed infrastructure inside AWS - a purpose-built runtime with per-request V8 isolates, Ed25519 signed audit chains, and sub-40ms cold starts optimized for native MCP execution. See our infrastructure

About Lob MCP Server

Connect your Lob account to any AI agent and manage direct mail through natural conversation.

Windsurf's Cascade agent chains multiple Lob tool calls autonomously. query data, analyze results, and generate code in a single agentic session. Paste Vinkius Edge URL, reload, and all 9 tools are immediately available. Real-time tool feedback appears inline, so you see API responses directly in your editor.

What you can do

  • Letter Sending — Create and send letters with PDF or HTML content
  • Postcard Campaigns — Send postcards with front/back designs
  • Check Printing — Create and mail checks with payment details
  • Address Verification — Verify and standardize US addresses
  • Template Management — Browse and manage mail templates
  • Delivery Tracking — Track mail pieces through the postal system

The Lob MCP Server exposes 9 tools through the Vinkius. Connect it to Windsurf in under two minutes — no API keys to rotate, no infrastructure to provision, no vendor lock-in. Your configuration, your data, your control.

All 9 Lob tools available for Windsurf

When Windsurf connects to Lob through Vinkius, your AI agent gets direct access to every tool listed below — spanning direct-mail, address-verification, print-automation, and more. Every call is secured with network, filesystem, subprocess, and code evaluation entitlements inside a sandboxed runtime. Beyond a simple connection, you get a full AI Gateway with real-time visibility into agent activity, enterprise governance, and optimized token usage.

autocomplete_address

Suggest address completions

create_check

Send a physical check

create_letter

Supports certified mail and custom inserts. Send a physical letter

create_postcard

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

get_mail_tracking

Track a mail piece

list_letters

List sent letters

list_postcards

List sent postcards

verify_intl_address

Verify an international address

verify_us_address

Verify a US address

Connect Lob to Windsurf via MCP

Follow these steps to wire Lob into Windsurf. The entire setup takes under two minutes — your credentials stay safe behind the Vinkius.

01

Open MCP Settings

Go to Settings → MCP Configuration or press Cmd+Shift+P and search "MCP"
02

Add the server

Paste the JSON configuration above into mcp_config.json
03

Save and reload

Windsurf will detect the new server automatically
04

Start using Lob

Open Cascade and ask: "Using Lob, help me...". 9 tools available

Why Use Windsurf with the Lob MCP Server

Windsurf provides unique advantages when paired with Lob through the Model Context Protocol.

01

Windsurf's Cascade agent autonomously chains multiple tool calls in sequence, solving complex multi-step tasks without manual intervention

02

Purpose-built for agentic workflows. Cascade understands context across your entire codebase and integrates MCP tools natively

03

JSON-based configuration means zero code changes: paste a URL, reload, and all 9 tools are immediately available

04

Real-time tool feedback is displayed inline, so you see API responses directly in your editor without switching contexts

Lob + Windsurf Use Cases

Practical scenarios where Windsurf combined with the Lob MCP Server delivers measurable value.

01

Automated code generation: ask Cascade to fetch data from Lob and generate models, types, or handlers based on real API responses

02

Live debugging: query Lob tools mid-session to inspect production data while debugging without leaving the editor

03

Documentation generation: pull schema information from Lob and have Cascade generate comprehensive API docs automatically

04

Rapid prototyping: combine Lob data with Cascade's code generation to scaffold entire features in minutes

Example Prompts for Lob in Windsurf

Ready-to-use prompts you can give your Windsurf agent to start working with Lob immediately.

01

"Send a welcome letter to a new customer and verify their address first."

02

"Show all mail pieces sent this month with delivery status."

03

"Create a check for $5,000 and browse mail templates."

Troubleshooting Lob MCP Server with Windsurf

Common issues when connecting Lob to Windsurf through the Vinkius, and how to resolve them.

01

Server not connecting

Check Settings → MCP for the server status. Try toggling it off and on.

Lob + Windsurf FAQ

Common questions about integrating Lob MCP Server with Windsurf.

01

How does Windsurf discover MCP tools?

Windsurf reads the mcp_config.json file on startup and connects to each configured server via Streamable HTTP. Tools are listed in the MCP panel and available to Cascade automatically.
02

Can Cascade chain multiple MCP tool calls?

Yes. Cascade is an agentic system. it can plan and execute multi-step workflows, calling several tools in sequence to accomplish complex tasks without manual prompting between steps.
03

Does Windsurf support multiple MCP servers?

Yes. Add as many servers as needed in mcp_config.json. Each server's tools appear in the MCP panel and Cascade can use tools from different servers in a single flow.