Vinkius

Postmark MCP. Analyze delivery performance and track bounces instantly.

Postmark MCP lets your AI agent manage and analyze every part of your transactional email pipeline. Send emails using pre-set templates or raw HTML; check out detailed bounce logs (Hard/Soft Bounces); review server analytics like open rates, and query message history—all without logging into the Postmark UI.

Postmark MCP is compatible with Claude Claude
Postmark MCP is compatible with ChatGPT ChatGPT
Postmark MCP is compatible with Cursor Cursor
Postmark MCP is compatible with Gemini Gemini
Postmark MCP is compatible with Windsurf Windsurf
Postmark MCP is compatible with VS Code VS Code
Postmark MCP is compatible with JetBrains JetBrains
Postmark MCP is compatible with Vercel Vercel
See Vinkius in Action

Give Claude and any AI agent real-world access

Send emails via templates or raw HTML

Your agent sends transactional messages using either a pre-built Postmark template or custom, plain HTML/text.

Analyze bounce failure logs

The MCP retrieves detailed data on why specific email recipients failed delivery, distinguishing between hard bounces and soft bounces.

Review template structure

You can fetch the source code of any Postmark template to check its required variables or visual layout.

Check delivery analytics overview

The agent pulls general stats on outbound messages, including open rates and overall system health metrics.

Search specific message history

You query the full send history by filtering criteria like sender email address or delivery status.

Waiting for input…

AI Agent
Postmark

What AI agents can do with Postmark Alternative MCP with 9 Tools

These tools let you query server details, manage templates, send messages, and perform deep analysis on bounce logs and message history using natural language commands.

Make your AI actually useful.

Add this MCP to Claude, Cursor, or Windsurf and your AI stops guessing. It gets real tools to look things up, take action, and handle the stuff you keep doing by hand.

Start using Postmark MCP

Get Bounces Overview

Retrieves a summary of your overall bounce statistics.

Get Server

Pulls basic operational details about the connected Postmark server instance.

Get Template

Fetches the specific code and structure for a single named email template.

List Templates

Provides an index of all available templates configured on your server.

Get Outbound Overview

Retrieves general metrics and performance data for all outgoing messages.

Search Bounces

Searches your bounce logs, allowing filtering by type (Hard/Soft), specific email address, or message ID.

Search Outbound Messages

Queries the historical record of sent emails by filtering based on recipient, sender, or delivery status.

Send Email

Sends a basic transactional email using specified From/To addresses and either plain...

Send Email With Template

Dispatches an email by applying the logic of a specific, pre-configured Postmark...

Security and governance baked right in.

Pick your AI client below to get set up. Just create a Vinkius account, subscribe, and you're instantly up and running. We handle the entire backend infrastructure, delivering out-of-the-box support for HTTPS Streamable, SSE, and OAuth2—zero messy routing required.

Postmark MCP is compatible with Claude

Claude AI

1

Open Claude Settings

Go to claude.ai, click your profile icon, then navigate to Customize → Connectors.

2

Add Custom Connector

Click the "+" button and select Add custom connector. Paste your Vinkius endpoint URL:

https://edge.vinkius.com/[YOUR_TOKEN_HERE]/mcp

Replace [YOUR_TOKEN_HERE] with your token from cloud.vinkius.com. For OAuth-protected servers, expand Advanced settings to add credentials.

3

Start a conversation

Open a new chat. The Postmark integration is available immediately — no restart needed.

Choose How to Get Started

Build a custom MCP for your own tools, or connect a ready-made integration from our catalog.

Build Your Own

Turn any API into an MCP. Import a spec, define Agent Skills, or deploy with MCPFusion.

  • Import from OpenAPI, Swagger, or YAML specs
  • Create Agent Skills with progressive disclosure
  • Deploy to edge with MCPFusion framework
  • Built in DLP, auth, and compliance on each call
  • Real time usage dashboard and cost metering
  • Publish to catalog or keep private
Start building

Make Your AI Do More

Start with Postmark, then connect any of our 5,200+ other servers whenever your AI needs more. One click, no limits.

  • Use this MCP plus 5,200+ others, all in one place
  • Add new capabilities to your AI anytime you want
  • Connections are secured and governed automatically
  • Track usage and costs across all your servers
  • Works with Claude, ChatGPT, Cursor, and more
  • New servers added to the catalog weekly
Postmark MCP server cover

Independent Platform Disclaimer: Vinkius is an independent platform and is not affiliated with, endorsed by, sponsored by, verified by, or otherwise authorized by Postmark. All third-party trademarks, logos, and brand names are the property of their respective owners. Their use on this website is strictly for informational purposes to identify service compatibility and interoperability.

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Cloud Hosted

Managed infra

V8 Isolated

Sandboxed per request

Zero-Trust Proxy

No stored credentials

DLP Enforced

Policy on each call

GDPR Compliant

EU data residency

Token Compression

~60% cost reduction

Your data is protected. See how we built it.

The Headache of Tracking Failed Emails

Today, when an email fails to deliver, you're usually forced into a painful cycle. You have to switch tabs, navigate through the 'Bounces' section in the web UI, manually filter by date range, and then visually scan hundreds of entries just to find out if the failure was temporary or permanent. It’s slow, it’s tedious, and you risk missing critical error codes.

With this MCP, that process vanishes. You simply tell your agent what you're looking for—for example, 'Show me all hard bounces from last week.' The tool runs `search_bounces`, pulls the data into the chat context, and gives you a clean, actionable list of failures without any manual clicking or dashboard switching.

Get Template Details with get_template

Before deploying an email that uses custom variables, the old way required logging into the Postmark console and finding the template editor. You'd have to click around until you could view the raw HTML source code just to verify if a variable like `first_name` was actually used correctly in the body.

Now, all you do is ask your agent to run `get_template`. It returns the full source code directly to your chat. You can instantly confirm that the template expects and uses every variable your application sends, making deployments faster and safer.

What Postmark MCP does for your AI

Your AI agent uses this MCP to fully manage your application's transactional email flow. Instead of relying on a web dashboard or writing boilerplate code, you ask your client to perform actions directly against your mail service. For instance, if you need to know why some users didn't get an update, you can query the bounce logs and pinpoint whether it was a hard failure or a block.

You can also pull templates by name or ID, letting your agent review the raw HTML to make sure dynamic variables like first_name are placed correctly. The entire system is accessible through Vinkius, the #1 MCP Catalog, meaning you connect once from any compatible client and get full control over your email notifications right where you're already working.

Built · Hosted · Managed by Vinkius Postmark MCP - Manage Email Delivery & Bounces
Server ID 019d8470-ad96-72d1-9e8e-23ceab745a14
Vinkius Inspector
Compliance Grade A+
Score 98.33/100
Vinkius Inspector Badge — Score 98.33/100

Frequently asked questions about Postmark MCP

How do I check bounce metrics using Postmark MCP? +

You use get_bounces_overview for a general summary of current bounces. If you need to investigate specific failures, run the search_bounces tool and filter by type (Hard or Soft) to pinpoint the exact error.

Can Postmark MCP send emails with my custom code? +

Yes. You can use the send_email tool, which accepts raw HTML or plain text bodies, allowing you to bypass templates for specific testing scenarios.

What if I want to check all my sent messages in Postmark MCP? +

Run the search_outbound_messages tool. This lets you filter by recipient or status, giving you a comprehensive look at your message history without manually browsing folders.

Does Postmark MCP help with template debugging? +

Absolutely. Use get_template to fetch the raw HTML source code for any template. This lets you visually and structurally verify that all required variables are correctly implemented in the body.

Is postmark-alternative MCP faster than using the Postmark UI? +

Yes, because it eliminates context switching. You stay within your preferred AI client environment (Claude, Cursor, etc.) and execute commands instantly via conversation rather than navigating a separate web interface.