Mailgun MCP server

by mrfentmen·io.github.mrfentmen/mailgun-mcp·v1.0.1

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MCP server for Mailgun: domains, stats, bounces, complaints. Needs a free API key.

C65/100grade C

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Safety scan

C65/100

full report

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

Mailgun tools (3)

write = sends, deletes, buys or posts

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

domain_stats
Totals for a domain: sent, delivered, opened, failed.
list_bounces
Bounced addresses for a domain with codes and errors.
list_domains
Mailgun sending domains with state and creation date. Set MAILGUN_REGION=eu for EU accounts.

Public scan report

scanner v0.1.10 · 2026-11-01 · 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.Rubric Appeal a finding JSON

How Mailgun 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: 0%; typical: 0%. Fewer write tools means less an agent can break

What its tools let an agent do: 3 read

Release history: 2 versions in the registry since 2026-09-22, latest 2026-10-01, typically one every 10 days.

Install Mailgun in Claude Code, Cursor or VS Code

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

claude mcp add mailgun-mcp -- npx -y mailgun-mcp

Add to Cursor

What the publisher says

From the Mailgun repository's README, as published. We do not edit it. Read it on GitHub

Awesome MCPs

A monorepo of MCP servers from the mrfentmen account and local workspace.

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Browser extensions are maintained separately in private repositories and are intentionally not included here.

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Shortened. The full README is on GitHub.

Nothing above is checked by us. What we check is on the safety report.

Grade history

2026-11-01downgradeA → Cscore 65

Mailgun: common questions

Is Mailgun MCP server safe?: With care: it is graded C, so read the findings first (65/100). Read the Mailgun safety report
How do I install Mailgun?: It runs on your machine. Copy the Claude Code, Cursor, VS Code or Claude Desktop config from the install section.
Does Mailgun need an API key?: Not as far as the registry entry and our scan can tell: no credentials are declared or required.
Is Mailgun maintained?: The last commit was 43 days ago (2026-09-22). The latest release is v1.0.1.
How does Mailgun 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 0% (typical: 0%. Fewer write tools means less an agent can break). Full comparison.