Envelope

io.github.tymrtn/envelope

About Envelope

Envelope is an MCP server published by the GitHub account tymrtn. Your own IMAP/SMTP mailboxes as agent tools, with per-agent policy and human-approved sends.

It runs on your own machine: your AI client starts it from the MCP bundle package https://github.com/tymrtn/U1F4E7/releases/download/v1.3.26/envelope-1.3.26.mcpb, with no version pinned.

It asks for no keys or passwords.

Version 1.3.26 was published on 27 October 2026, and the source code is public, so you can read it before installing.

Written from the registry entry. 7 automated checks on registry metadata: 3 pass, 1 warn, 0 fail, 3 info. How we check.

What it asks for

This server declares no environment variables, so it asks for no keys or settings.

Checks

CheckResultDetail
Source repository linkedPasshttps://github.com/tymrtn/U1F4E7
Version pinnedWarnNot pinned: https://github.com/tymrtn/U1F4E7/releases/download/v1.3.26/envelope-1.3.26.mcpb
Secrets requestedInfoAsks for no secrets
Known package registryPassAll packages come from npm, PyPI, OCI, NuGet or MCPB
Namespace ownershipInfoName verified via GitHub account tymrtn
Registry text aimed at the AIPassDescription and settings contain no hidden characters or instructions to the AI
Code red flagsInfoPackage could not be read (too large)

Popularity & health: 60 / 100

Worked out from public numbers and our own checks, not from user reviews or ratings. It says how used and how looked-after a server is, not whether it is safe.

Popularity8 / 40

7 GitHub stars, no download count, no Hacker News posts found. Best two of the three, each on a log scale.

Activity25 / 25

Last push 2026-10-15, last release 2026-10-15, 447 commits in 90 days.

Issue health10 / 15

55 closed of 80 issues.

Our checks16 / 20

1 warning, each costing a fifth.

2 forks, 146 merged pull requests. Sources: GitHub, npm, PyPI (pypistats.org) and Hacker News (Algolia), fetched 2026-10-31.

What people say

No Hacker News threads link to its source code.

Look further: search Reddit, search Hacker News, read its GitHub issues. These are not reviews we checked.

Facts

Registry nameio.github.tymrtn/envelope
PublisherGitHub account tymrtn
How the name is verifiedName verified via GitHub account tymrtn. The registry ties the name prefix to that account or domain; it does not check the code.
TypeLocal: runs on your machine from a package
Packagesmcpb https://github.com/tymrtn/U1F4E7/releases/download/v1.3.26/envelope-1.3.26.mcpb no version given (stdio)
Version1.3.26
Published
Last updated
Source repositoryhttps://github.com/tymrtn/U1F4E7
Websitehttps://u1f4e7.com
CategoryEmail & messaging (assigned by keyword rule, not by hand)

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