Postmark MCP Server with 11 Tools for Claude, Cursor, and AI Agents
Automate transactional email delivery via Postmark — manage servers, templates, and bounces directly from any AI agent. Vinkius routes your AI agents directly to Postmark through a governed connection. 11 tools ready to use with Claude, ChatGPT, Cursor, or any AI agent — no hosting, no setup, connect in 30 seconds.
Ask AI about this server
Compatible with every major AI agent and IDE

* 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
What is the Postmark MCP Server?
The Postmark MCP Server routes AI agents like Claude, ChatGPT, and Cursor directly to Postmark via 11 tools. Automate transactional email delivery via Postmark — manage servers, templates, and bounces directly from any AI agent. Powered by Vinkius — your credentials stay on your side of the connection, every request is auditable. Connect in under 2 minutes.
Built-in capabilities (11)
Tools for your AI Agents to operate Postmark
Ask your AI agent "Send a transactional email from support@example.com to john@doe.com with subject 'Reset Password'." and get the answer without opening a single dashboard. With 11 tools connected to real Postmark data, your agents reason over live information, cross-reference it with other MCP servers, and deliver insights you would spend hours assembling manually.
Works with Claude, ChatGPT, Cursor, and any MCP-compatible client. Powered by Vinkius — your credentials never touch the AI model, every request is auditable. Connect in under two minutes.
Why teams choose Vinkius
One subscription gives you the infrastructure to connect your AI agents to thousands of MCP servers — and deploy your own to the Vinkius Edge. Your credentials stay yours. Your data flows directly between your agent and the API. DLP blocks sensitive information from ever reaching the model, kill switch for instant shutdown, and up to 60% token savings. Enterprise-grade routing and governance, zero maintenance.
Build your own MCP Server with our secure development framework →The Postmark App Connector works with every AI agent you already use
…and any MCP-compatible client


















Use all 11 Postmark tools with your AI agents right now
Vinkius routes your AI agents to Postmark through a governed proxy. Beyond a simple connection, you get full visibility into every action your agents perform, with enterprise-grade security and up to 60% savings on AI costs.
Get delivery stats on Postmark
Get email delivery statistics
Get outbound stats on Postmark
Get outbound delivery stats
Get server info on Postmark
Get Postmark server configuration
Get template on Postmark
Get details for a specific email template
List account servers on Postmark
List account servers
List bounces on Postmark
List recent email bounces
List domains on Postmark
List all verified sending domains
List email templates on Postmark
List email templates
List outbound messages on Postmark
List sent messages
Send batch email on Postmark
Send emails in batch
Send email on Postmark
Send a single email
What the Postmark MCP Server unlocks
Connect your Postmark account to any AI agent and simplify your transactional email management, deliverability tracking, and template orchestration through natural conversation.
What you can do
- Email Delivery — Send single or bulk transactional emails programmatically directly from your agent using verified signatures
- Template Management — Query and manage your catalog of email templates to ensure consistent messaging across your server
- Bounce Tracking — Access a history of bounced emails and monitor deliverability issues in real-time
- Server & Account Control — List and manage your Postmark servers and account settings programmatically
- Engagement Insights — Access aggregate performance analytics, including sent and open metrics
How it works
1. Subscribe to this server
2. Enter your Postmark Server Token (and optional Account Token) from your settings
3. Start managing your transactional emails from Claude, Cursor, or any MCP-compatible client
Frequently asked questions about the Postmark MCP Server
Can I send a transactional email using my AI agent?
Yes! Use the send_email action. Provide the sender and recipient details along with your subject and message body.
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We built the connector to Postmark. Now put your agents to work. Fully governed.
Vinkius is the AI Gateway with managed hosting. Stop building connectors. Every connection runs inside eight layers of security.
Hosted, sandboxed, and live on AWS. You don't provision anything. You don't maintain anything. You connect.
Every tool call, every token, every response. Logged and auditable. Data flows direct from Postmark to your agent. Nothing is stored on our side. Ever.
Eight governance layers on every request. Sensitive data redacted before it reaches the model. Kill switch if anything goes sideways. Always on.
