Postmark MCP

Name: Postmark MCP
Author: ActiveCampaign

by ActiveCampaign

Official Postmark MCP server by ActiveCampaign — 24 tools to send, template, search, and diagnose transactional email from Claude, Cursor & other AI assistants.

54 24 tools GitHub

No known CVEs

MIT license

Actively maintained

Last commit 14d ago

Works with most clients

Transport: stdio, sse, http

24 tools · ~2.2k tok

Grade C · 1.1% of 200K ctx

MCPpedia last refreshed this data 21h ago

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Postmark MCP is an MCP server that official Postmark MCP server by ActiveCampaign — 24 tools to send, template, search, and diagnose transactional email from Claude, Cursor & other AI assistants. Its tool list has not been published yet over stdio, sse and http, requires no API key, and scores 67/100 on MCPpedia's security, maintenance and efficiency rubric.

AI / ML Communication

Step 1

Install in your client

Config is the same across clients — only the file and path differ.

Supported in Claude Desktopstdio, sse, http · Node 18+

Paste into ~/Library/Application Support/Claude/claude_desktop_config.json

{
  "mcpServers": {
    "postmark": {
      "env": {
        "DEFAULT_SENDER_EMAIL": "your-sender-email@example.com",
        "POSTMARK_SERVER_TOKEN": "your-postmark-server-token",
        "DEFAULT_MESSAGE_STREAM": "your-message-stream"
      },
      "args": [
        "path/to/postmark-mcp/index.js"
      ],
      "command": "node"
    }
  }
}

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[![MCPpedia Score](https://mcppedia.org/api/badge/postmark-mcp)](https://mcppedia.org/s/postmark-mcp)

Read me

What Postmark Mcp does

Send emails with Postmark using Claude and other MCP-compatible AI assistants.

Test This Server

This server supports HTTP transport. Be the first to test it — help the community know if it works.

Scored, not listed

Why this score

Five weighted categories — click any category to see the underlying evidence.

Score breakdown

67/100across 5 weighted dimensions

How we score →

0255075100

−33

Security

Maintenance

Efficiency

Documentation

Compatibility

Categoriesclick a row to see evidence

Security

OSV.dev

No known CVEs.

No package registry to scan.

Inventory

Tools (24)

Click any tool to inspect its schema.

~2.2k tokens total

Community

Reviews

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Frequently Asked Questions

Is Postmark Mcp safe to use?: Postmark Mcp has no known CVEs as of the latest MCPpedia security scan. It does not require authentication, so any local process can connect — keep this in mind in shared environments. Licensed under MIT.
How do I install Postmark Mcp?: Postmark Mcp supports copy-paste install configs on its MCPpedia page for Claude Desktop, Cursor, and Claude Code. Scroll to the Quick Install section and select your client.
What can Postmark Mcp do?: Postmark Mcp provides 24 tools: sendEmail, sendEmailWithTemplate, sendBatch, sendBatchWithTemplate, listTemplates and 19 more. See the full tools list on the server page for descriptions and parameters.
What AI clients work with Postmark Mcp?: Postmark Mcp is compatible with claude-desktop, cursor, claude-code. It uses stdio and sse and http transport.
Is Postmark Mcp actively maintained?: Postmark Mcp is actively maintained — last commit was 14 days ago. It has 54 GitHub stars.

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MCP Security Weekly

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Community

Discussion

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Has anyone used this with Cursor?How do you handle auth?Any alternatives?

{ "mcpServers": { "postmark": { "env": { "DEFAULT_SENDER_EMAIL": "your-sender-email@example.com", "POSTMARK_SERVER_TOKEN": "your-postmark-server-token", "DEFAULT_MESSAGE_STREAM": "your-message-stream" }, "args": [ "path/to/postmark-mcp/index.js" ], "command": "node" } } }

Frequently Asked Questions

Is Postmark Mcp safe to use?

Postmark Mcp has no known CVEs as of the latest MCPpedia security scan. It does not require authentication, so any local process can connect — keep this in mind in shared environments. Licensed under MIT.

How do I install Postmark Mcp?

Postmark Mcp supports copy-paste install configs on its MCPpedia page for Claude Desktop, Cursor, and Claude Code. Scroll to the Quick Install section and select your client.

What can Postmark Mcp do?

Postmark Mcp provides 24 tools: sendEmail, sendEmailWithTemplate, sendBatch, sendBatchWithTemplate, listTemplates and 19 more. See the full tools list on the server page for descriptions and parameters.

What AI clients work with Postmark Mcp?

Postmark Mcp is compatible with claude-desktop, cursor, claude-code. It uses stdio and sse and http transport.

Is Postmark Mcp actively maintained?

Postmark Mcp is actively maintained — last commit was 14 days ago. It has 54 GitHub stars.