Mailneo Skills

⚠ Reviewed, with warnings on October 26, 2026 Skill (SKILL.md)

5 skills from Mailneo: lifecycle, compliance (consent, unsubscribe, GDPR), email copywriting and deliverability, plus a skill to run a Mailneo account.

Author: Mailneo (Service vendor, official)
Type: Skill (SKILL.md)
Declared platforms: Claude, OpenAI Codex, Cursor, Gemini CLI
Standard format, also loadable in: ChatGPT, Grok Build (not declared by the author, not tested)
Use cases: Email marketing
Licence: MIT
Cost: Free skills (MIT); Mailneo account for the account skill
Language: English
Official page: github.com/Mailneo/skills
Information checked on: October 26, 2026

Security review

⚠ Reviewed, with warnings on October 26, 2026

Passive review of the public code, commit 8dfcbad of August 4, 2026: 5 SKILL.md file(s), 27 files, 1 script(s). Nothing was run.

What it can do: Advises and drafts; the mailneo skill calls the Mailneo API to manage subscribers, lists and sends.
Files: No local files.
Network: Mailneo API (api.mailneo.co).
Credentials: Mailneo API key with the scopes you pick.
Red flags: none found with our checklist

Warnings

Contains 1 script that runs on your machine when the agent calls it.
Can act on your behalf: manage subscribers and campaigns in your Mailneo account.

Notes

Handles personal data about prospects: check your legal basis (GDPR) before using it.

A new version can change everything: the review covers the commit above only. Our review method →

Install

npx skills add Mailneo/skills

Command copied from the official documentation. Read the code before you run it, and prefer a version pinned to a commit or a release.

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Security review

Warnings

Notes

Install

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