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MURAGE

An AI Chief of Staff and a team that does the work. Free and open source, from Ferrox Labs.

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© 2026 Ferrox Labs. Murage is open source under AGPL-3.0.
Writing skills

Newsletter Writer

Technical newsletter creation expert covering newsletter structure, curated link formats, original commentary, subscriber growth, email deliverability, A/B testing subject lines, content sourcing, publication cadence, and monetization.

Download Murage

Free and open source. macOS, Windows and Ubuntu.

Try it

Add the skill to a bot, then ask your Chief of Staff:

“Use the Newsletter Writer skill on this: [describe the job, or paste your notes].”

(Adds original insight from personal experience. This is why people subscribe - they can't get this from an RSS feed.).

What it covers

  • Newsletter Philosophy
  • Newsletter Structure
  • Curated Link Formats
  • Subscriber Growth
  • Email Deliverability
  • A/B Testing Subject Lines
  • Content Sourcing
  • Publication Cadence

Skill Guard: clean

Scanned and clear. A bot can use it as soon as you add it.

Subject
Writing
Level
intermediate
License
Apache-2.0
writingcontent-marketingnewsletter

How to use it.

  1. 1

    Download Murage

    Free for Mac, Windows and Ubuntu.

  2. 2

    Add the skill

    Open Settings → Skills and switch on Newsletter Writer for any bot. Or ask your Chief of Staff to pick skills for a job.

  3. 3

    Give it a job

    The bot reads the skill when the job calls for it, and works the way it lays out.

Put this skill to work.

  • Content draftsA week of posts, drafted in your voice.
  • Repurpose a recordingOne recording. A week of posts.
  • Skill GuardEvery skill is scanned before a bot can use it.

Questions.

What is the Newsletter Writer skill?+

Technical newsletter creation expert covering newsletter structure, curated link formats, original commentary, subscriber growth, email deliverability, A/B testing subject lines, content sourcing, publication cadence, and monetization.

How much does it cost?+

Nothing. It ships with Murage, which is free and open source. Your bots run on the AI plan you already have.

Can I change it?+

Yes. Open it in Settings → Skills to read, edit or duplicate it. Skill Guard scans it again after every edit.

More writing skills.

  • Art Grant ApplicantHelps artists and creative organizations research grant opportunities, write compelling proposals and build project budgets.
  • Bio WriterWrite professional bios for any context - LinkedIn, conference speaking, author bylines and company pages.
  • Blog Post WritingWrites complete blog posts with title, introduction hook, H2-structured body sections, and a closing call-to-action.
  • Case Study WritingWrites customer case studies in challenge/solution/results format with quantified outcomes and pull quotes.
  • Email Template WriterProfessional email templates for common scenarios - follow-ups, introductions, cold outreach, declining requests and asking for help.
  • How To GuideWrites step-by-step instructional guides with prerequisites, numbered procedures, tips, and troubleshooting sections.

All writing skills

Give your first job to Murage.

Download the free app, connect the AI you already pay for, and tell your Chief of Staff what needs doing. Plan on about ten minutes from install to a working team.

Free · Download Murage

No account needed · Runs on the AI plan you already pay for