
Connect MailboxPower to ChatGPT, Claude and Gemini
Set it up once and it works in ChatGPT, Claude, Cursor, and any other client you love. It all runs safely in the background, so you can relax and focus on what really matters. Turn your chat interface into a direct mail marketing engine.
Developed, maintained, and hosted by Vinkius.
MCP VERIFIED · PRODUCTION READY · VINKIUS GUARANTEED
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Works with modern AI clients that support MCP, including ChatGPT, Claude, Cursor, and more.
Your AI does the work. We keep it safe and sound.
No other AI tool gives you this. Your workflow runs in the client you already love, your account stays protected, and you decide what the agent can and cannot do. It is the whole reason to make the switch.
Each Connector lives inside our infrastructure, the same place where your workflow runs. The three things below are already part of it, working quietly in the background so you never have to think about them. Nothing to add, nothing to set up, nothing to worry about.

Each Connector runs inside its own sealed environment.
Each Connector runs inside its own sealed V8 runtime — no access to your files, your system, or other servers. A Connector never sees past its own request.
One switch stops every agent. Instantly.
One action deactivates every Connector, revokes every token, and ends every session at once. AI Governance keeps the record.
Spending limits that pause instead of surprise.
Every user keeps their own connections and credentials, isolated from everyone else. Anything that would cross your spending limit is held for your approval, not billed.
Three controls, built into the layer your AI connects through.
Curated set · 9 capabilities
We ship only the actions that matter.
01-03
3 capabilities in this set.
Part of 9 available through MailboxPower.
- 01
Add contact to group
Adds a specific contact to a designated group within your MailboxPower account.
- 02
Create group
Creates a new contact group to organize your recipients.
- 03
List automations
Retrieves a list of all active automations you have set up.
04-06
3 capabilities in this set.
Part of 9 available through MailboxPower.
- 04
List contacts
Fetches a list of all contacts stored in your MailboxPower account.
- 05
List groups
Shows all the contact groups currently available in your account.
- 06
Add contact to automation
Triggers a specific automation for a single contact.
07-09
3 capabilities in this set.
Part of 9 available through MailboxPower.
- 07
Create contact
Adds a new contact to your MailboxPower database.
- 08
Get contact
Retrieves the full details for a specific contact.
- 09
Send shipment
Initiates the process of sending a physical card or gift to a recipient.
Real work
What teams actually run
Prospect Nurturing
Send a branded notebook or pen to a lead after a successful meeting.
Client Appreciation
Trigger a premium gift box shipment for your top-tier clients.
Retention Campaigns
Automate thank-you cards to keep customers engaged with your brand.
Event Follow-up
Send physical mailers to everyone in a specific contact group after a conference.
Automate a task
Put MailboxPower to work on one thing.
Step-by-step automations your AI runs through this Connector: the workflow, the prompts to start with, and the exact capabilities behind each move.
One connector, every AI
MailboxPower works with the most popular AI clients.
These are the most popular clients, each with a step-by-step guide: one link, set up once, with governance and visibility built in. And because everything runs on the MCP standard, the same connection also works in any other compatible client — nothing to rebuild.
Claude
ChatGPT
Gemini
Perplexity
Grok
Microsoft Copilot
Cursor
VS Code
Windsurf
JetBrains
Cline
LangChain
Vercel AI SDK
Lovable
Z.ai
Raycast
Qwen Code
Kimi Code
Le ChatBuilding your own app? The connector is yours to use.
You don't need a client to put MailboxPower to work: the same hosted connection plugs into your own applications and agent code, with the same governance on every request. Build with it, chat with it — one connection for both.
Observed, not estimated
926ms average. Fast in production.
MailboxPower is checked daily against the live service.
- Fastest day
- 813ms
- Slowest day
- 1201ms
- 14-day trend
- Stable-1%
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 MailboxPower, so you can see the experience inside your AI.
It does not authenticate your account with MailboxPower. Actions requiring credentials or live account data may not run until you activate the Connector and authorize the service.
MailboxPower Connector
You're all set. Choose your MCP client and follow the setup instructions.
https://edge.vinkius.com/vk_preview_UXcWkHGfrX48b6pZliA9c388kh32pjbuho0hOzit/mcpClaude Desktop
Follow the steps below to connect in seconds.
- 1In Claude Desktop, open Settings → Connectors.
- 2Click “Add custom connector” and paste the connector link above as the remote MCP server URL.
- 3Click Add and start a new chat — MailboxPower capabilities are ready to use.
{
"mcpServers": {
"mailboxpower-mcp": {
"url": "https://edge.vinkius.com/vk_preview_UXcWkHGfrX48b6pZliA9c388kh32pjbuho0hOzit/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
Guided setup for Claude? Set up MailboxPower in Claude and other AIs
Who it's for
Built for the work MailboxPower owners hand off.
This MCP is for professionals who need to send physical mail to clients or prospects without manual data entry.
- 01
Sales Teams
They tell the AI to send personalized gifts to high-value prospects.
- 02
Marketing Teams
They use the agent to run and track direct mail campaigns.
- 03
Customer Success
They instruct the AI to send thank-you cards or retention gifts to existing customers.
FAQ
Questions MailboxPower owners ask.
- 01
How do I connect my MailboxPower account?
You subscribe to the MCP on Vinkius and enter your MailboxPower API Key. Once connected, it is ready to use in any compatible AI client.
- 02
Which AI clients can I use with this MCP?
You can use this with any MCP-compatible client, including Claude, Cursor, and Windsurf.
- 03
Can I track my shipments through the AI?
Yes, you can ask your AI agent to check the status of shipments and delivery confirmations.
- 04
What kind of items can I send?
You can send greeting cards, personalized gifts, and various promotional items from the MailboxPower catalog.
- 05
Do I need to manage contact lists manually?
No, you can use the MCP to create contacts, manage groups, and add people to automations through your AI client.
- 06
Can I send personalized gifts and cards?
Yes. Browse the product catalog, personalize gifts and cards with custom messages, and send to any US address with delivery tracking.
- 07
Can I run direct mail campaigns?
Yes. Create campaigns with recipient lists, schedule mailings, and track delivery status for each piece.
- 08
What API does MailboxPower use?
Bearer authentication against api.mailboxpower.com/v1.
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Connect MailboxPower to Claude, Cursor, ChatGPT & more
