Item: Mailtrain-org/mailtrain
Rating: 25.0

Mailtrain-org/mailtrain

Self hosted newsletter app

[GPL-3.0]M6 · CommunicationG4 · Web Applications (self-hostable)current state

Trust Score

25.0

Last full review 2026-10-06 · Trust Score decays −2 points per month without a fresh review (never below 20)

security cap applied — score capped at 45

100%evidence coverage 100%req_15b6d6a1041a

Six dimensions

Anchors 0 · 25 · 50 · 75 · 100

U Ministry Utility

“README: "Mailtrain is a self hosted newsletter application" with features "Subscriber lists management", "List segmentation", "Automation…”
source unavailable

M Maturity

“latest_commit date "2022-12-11" vs pack fetch 2026-10-06 (~45 months); api.releases latest tag "v2.20210609.0 published 2021-06-09"…”
source unavailable

Plan your first step with Mailtrain-org/mailtrain

Mailtrain-org/mailtrain looks like a candidate for communication; Maturity conflict: api.repos pushed_at 2025-10-05 vs latest_commit 2022-12-11; resolved fail-closed to M=0 on commit evidence — recommend fetching ref/branch activity to confirm the pushed_at signal is not a metadata artifact.

server:Checking

License: GPL-3.0 has sharing obligations — check them before you build on it.
Security: a review cap is active on this project — see the security note above.

Use it with

Selected: Gloo AI Studio

Tool names and logos belong to their owners; shown so you can pick your own client. Not affiliated.

Step 1 — Connect Refinry once (prompt only)

Gloo AI Studio does not document external MCP server setup. Use this prompt with the copied Refinry research brief in Studio.

https://studio.ai.gloo.com/

Connection prompt

I am choosing open-source software for my ministry using Refinry, a review site. Read Refinry’s plain-language agent feed — https://refinry.dev/docs.md — then help me evaluate Mailtrain-org/mailtrain: summarize the Trust Score, the strongest and weakest dimensions, and any caution flags it cites. Give me one small first step I can complete this week, and tell me honestly if this looks like more than I can handle.

Connection didn't work?

Some clients need manual setup. Follow the plain-language steps on the Docs page.

Step 2 — Plan your first step

Tell the AI what you want to do; edit this to match your situation.

I want to…Starter prompt

I am choosing open-source software for my ministry using Refinry, a review site. Read Refinry’s public review of Mailtrain-org/mailtrain (https://refinry.dev) and help me assess it for using Mailtrain-org/mailtrain for communication in my ministry. Summarize the Trust Score, the strongest and weakest dimensions, and any caution flags it cites, separating reviewed evidence from what still needs verification. Give me one small first step I can complete this week, and tell me honestly if this looks like more than I can handle.

Prefer a hand-off that works without a connection? Copy the research brief: every reviewed fact, all caution flags, and a feasibility-only first assignment.