SERVER

Mailtrap

Rank #2,261

io.mailtrap/mcp

Official MCP Server for Mailtrap

4 versions
66 GitHub stars
by railsware (2 servers)View repository ↗
First listed
Apr 10, 2025
Last publish date
Oct 27, 2026
PURPOSE

What you can do with Mailtrap

Mailtrap is a Model Context Protocol (MCP) server published by railsware. It ranks #2,261 of 168,415 active servers on MCP Toplist, and its repository has 66 GitHub stars. Mailtrap is listed across 5 registries — Official MCP, Smithery, Glama, PulseMCP and mcp.so, with 4 tracked versions. It was first listed on Apr 10, 2025 and most recently updated on Oct 27, 2026.

Not verifiedMCP Toplist has not yet written a checked profile for this server, so the paragraph above is assembled from registry data only. The repository README is the authority on what it does.

CAPABILITIES AND LIMITATIONS

What Mailtrap can and cannot do

Not verifiedMCP Toplist has not catalogued this server's tools or limitations. The repository README lists them.

REQUIREMENTS

What you need before using Mailtrap

DeclaredAPI keyCredentials declared

The registry listing declares required configuration before first use — typically an API key, token or connection string set via environment variables.

Declared by Glama, last synced Nov 4, 2026. Not independently verified by MCP Toplist.

Declared in the registry install config
  • MAILTRAP_API_TOKEN · required
  • MAILTRAP_ACCOUNT_ID · optional
INSTALLATION AND FIRST TASK

Connect Mailtrap and confirm it works

npm package
claude mcp add mailtrap -e "MAILTRAP_API_TOKEN=<your MAILTRAP_API_TOKEN>" -e "MAILTRAP_ACCOUNT_ID=<your MAILTRAP_ACCOUNT_ID>" -- npx -y mcp-mailtrap

Replace each placeholder with your own value before saving.

First successful task

After adding the config, ask your client to list this server's tools. A tool list confirms the connection; an empty list or an error means the server did not start or needs credentials.

ALTERNATIVES

When to choose another server

Other servers by railsware
View all railsware servers →

No task-specific alternatives are catalogued for Mailtrapyet; the list above is its publisher's other servers.

MAINTENANCE AND EVIDENCE

What changed, and when this was checked

First listed
Apr 10, 2025
Latest version published
Oct 27, 2026
Version history
4 versions tracked (below)
Requirements evidence
Declared by Glama, last synced Nov 4, 2026. Not independently verified by MCP Toplist.
Profile checked
Not yet — purpose, capabilities and requirements above come from registry data only
Ranking data as of
Nov 4, 2026
Registry sightings

Do you maintain Mailtrap? to correct or enrich this profile.

VERSIONS

Available versions (4)

0.4.1 · Jun 11, 20260.6.0 · Jul 28, 20260.9.0 · Sep 1, 20260.11.0 · Oct 27, 2026Jun 11, 2026Oct 27, 2026
VersionPublished
0.11.0Oct 27, 2026
0.9.0Sep 1, 2026
0.6.0Jul 28, 2026
0.4.1Jun 11, 2026
STANDING
#2,261of 168,415 active serversTop 5%

Ranks ahead of 166,154 of 168,415 servers on MCP Toplist.

BADGE

Show your rank

Maintain this server? Add the live rank badge to your README — it updates automatically as the leaderboard changes.

MCP Toplist: Top 5% of 168,415
Markdown
[![MCP Toplist](https://mcptoplist.com/badge/io.mailtrap%2Fmcp.svg)](https://mcptoplist.com/server/io.mailtrap%2Fmcp)
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<a href="https://mcptoplist.com/server/io.mailtrap%2Fmcp"><img src="https://mcptoplist.com/badge/io.mailtrap%2Fmcp.svg" alt="MCP Toplist: Top 5% of 168,415" /></a>

Variants: append ?metric=score or ?metric=stars to the image URL.

FAQ

Frequently asked questions

Who maintains Mailtrap?
Mailtrap is maintained by railsware, which publishes 2 MCP servers (9 total versions) tracked on MCP Toplist.
Is Mailtrap listed on the Official MCP Registry?
Yes — Mailtrap is listed on the Official MCP Registry, alongside Smithery, Glama, PulseMCP and mcp.so.
How many versions does Mailtrap have?
MCP Toplist tracks 4 versions of Mailtrap, most recently published on Oct 27, 2026.
Where can I find the source code for Mailtrap?
The source code for Mailtrap is hosted at github.com/railsware/mailtrap-mcp.
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