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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

Fact-Check Framework

Provides a systematic framework for fact-checking written content by identifying claims, classifying their verifiability, flagging unsupported assertions, and recommending verification steps.

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 Fact-Check Framework skill on this: [describe the job, or paste your notes].”

Default to deep audit if the document is under 1,000 words; default to surface scan if the document is over 3,000 words unless you specify otherwise.

What it covers

  • Fact-Check Report

Skill Guard: clean

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

Subject
Writing
Level
advanced
License
Apache-2.0
editingwritingresearch

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 Fact-Check Framework 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 Fact-Check Framework skill?+

Provides a systematic framework for fact-checking written content by identifying claims, classifying their verifiability, flagging unsupported assertions, and recommending verification steps.

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.

  • Academic Paper ReviewReviews academic papers for methodological rigor, argument structure, evidence quality, and scholarly conventions.
  • Clarity EditingEdits text for clarity by identifying and fixing ambiguous sentences, unclear references, jargon, convoluted syntax, and logical gaps.
  • Conciseness EditingEdits text for conciseness by identifying and cutting redundancies, filler words, padding phrases, and unnecessary complexity while preserving meaning.
  • Copy EditingPerforms line-level copy editing for clarity, concision, grammar, consistency, and adherence to style guides.
  • Final ReadthroughPerforms a comprehensive final readthrough of a document before publication, checking for errors, consistency and formatting.
  • Passive Voice FixIdentifies and converts passive voice constructions to active voice where appropriate, preserving passive voice when it serves clarity and diplomacy.

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