Is Postmark safe to install?

ActiveCampaign · Communication · stdio (local process)

Send emails with Postmark from Claude and MCP clients.

–unrated exposureSource

unrated

Grade

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Blast radius

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Tools

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Capabilities

Scan

AxioRank has not graded Postmark yet

AxioRank could not enumerate Postmark's surface (server process exited (1): npm error A complete log of this run can be found in: /home/runner/.npm/_logs/2026-07-05T12_02_42_819Z-debug-0.log). Many remote servers gate even a read-only handshake behind OAuth. This listing stays factual and updates when a scan succeeds.

View the source

Install

Add Postmark to your client

Drop this into your MCP client config (Claude Desktop, Cursor, and others).

mcp.json

{
  "mcpServers": {
    "postmark": {
      "command": "npx",
      "args": [
        "-y",
        "@activecampaign/postmark-mcp"
      ]
    }
  }
}

Embed

Show the grade in your README

Links back to this page and updates when the grade changes.

[![AxioRank MCP Security Index grade for Postmark](https://axiorank.com/api/badge/mcp/postmark.svg)](https://axiorank.com/mcp-index/postmark)

More Communication servers

FDiscord –Slack –Telegram –Twilio –Resend –Intercom

How it works

About this grade

The grade reflects the blast radius of what Postmark declares it can do, read-only, not whether it is secure or trustworthy, and not a judgment of the vendor. Maintain this server? Claim this listing or request a re-scan. See the methodology.

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Let your agents use Postmark safely

Route this server through AxioRank to allowlist its tools, hold risky calls for approval, and keep a signed audit trail of every action.

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