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Postmark MCP server

by mrfentmen·io.github.mrfentmen/postmark-mcp·v1.0.0
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Query the Postmark API: server info, templates, outbound messages.

C65/100grade C
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Safety scan
C65/100

full report

Adoption
New

300 downloads/wk

Reviews

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If you have run it, two minutes of your experience saves the next person an afternoon.

Postmark tools (3, 1 write)

write = sends, deletes, buys or posts

Read from the package source without running it. The installed server may list more.

  • get_server

    Postmark server details.

  • list_outbound

    Recent outbound messages.

  • list_templateswrite action

    Email templates.

Public scan report

scanner v0.1.10 · 2026-10-28 · same rubric, same numbers if you re-run it

no findings
  • Code scan7 source files scanned25/25
  • –Live reliabilityno gateway calls yet and no remote to proben/a
  • –Tool poisoningtools not inspected (local package is not executed); not countedn/a
  • Auth qualitylocal package, no credentials required12/15
  • Maintenancerepository not readable: repo not found3/15
  • Maintainer identityno repository or website to verify2/10
Overall 65/100. Components that don't apply are left out of the denominator. Any critical finding is an F.RubricAppeal a findingJSON

How Postmark compares

Against every graded MCP server, from our own scans and uptime checks. Updated after each scan run.

Safety score
65/100
higher than 20% of 48,255 servers
Tools
3
the typical server has 7
Tools that change things
33%
typical: 0%. Fewer write tools means less an agent can break
Downloads a week
300
more than 81% of 12,191 servers with a package

What its tools let an agent do: 2 read · 1 change

Install Postmark in Claude Code, Cursor or VS Code

Runs npx -y @mrfentmen/postmark-mcp on your machine. Read the scan report first; the gateway never runs local packages.

claude mcp add postmark-mcp -- npx -y @mrfentmen/postmark-mcp
Add to Cursor

Postmark: common questions

Is Postmark MCP server safe?
With care: it is graded C, so read the findings first (65/100). Read the Postmark safety report
How do I install Postmark?
It runs on your machine. Copy the Claude Code, Cursor, VS Code or Claude Desktop config from the install section.
Does Postmark need an API key?
Not as far as the registry entry and our scan can tell: no credentials are declared or required.
Is Postmark maintained?
The latest release is v1.0.0.
How does Postmark compare with other MCP servers?
safety score 65/100 (higher than 20% of 48,255 servers); tools 3 (the typical server has 7); tools that change things 33% (typical: 0%. Fewer write tools means less an agent can break). Full comparison.

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