Skip to content
Copywriting OSAn MX Digital system

Help desk

Installing and using Copywriting OS

Everything you need to get set up, where each edition has been tested, and how to reach us.

Installing it

ChatGPTAbout 5 minutes

  1. Create a new project for one client.
  2. Paste bootloader.md into its instructions.
  3. Upload the nine files from knowledge/.
  4. Add your client’s Client File.
  5. Send the self-check in a project chat.

CodexAbout 3 minutes

  1. Unzip copywriting-os-skill.zip into ~/.agents/skills.
  2. Start a new Codex session.
  3. Type /skills to check it’s listed.
  4. Send the self-check.

ClaudeAbout 3 minutes

  1. Turn on code execution in Settings, Capabilities.
  2. Open Customize, then Skills.
  3. Click +, Create skill, Upload a skill.
  4. Choose copywriting-os-skill.zip. Don’t unzip it.
  5. Send the self-check in a new chat.

GeminiAbout 3 minutes

  1. On gemini.google.com, open Settings, then Skills.
  2. Click Upload and choose copywriting-os-skill.zip.
  3. Click Create. Leave the skill active.
  4. Send the self-check in a new chat.

GrokAbout 5 minutes

  1. Create a new project on grok.com for one client.
  2. Paste bootloader.md into its instructions.
  3. Upload the nine files from knowledge/.
  4. Add your client’s Client File.
  5. Send the self-check in a project chat.

You’ll need

  • A paid plan on ChatGPT, Claude, Gemini or Grok, or access to Codex (not included in the price)
  • For the skill edition: Skills switched on in Claude, or Codex, Claude Code or another tool that reads skills
  • Web browsing, if your AI has it, for research (optional)
  • No other software and no monthly fee

Compatibility

Each edition is tested on its own platform. A status changes only after a fresh install passes on that platform, and the date of the last test is shown.

  • Claude Code

    Edition
    The Skill
    Status
    Verified
    Last tested
    11 October 2026

  • Codex (CLI, IDE and the ChatGPT desktop app)

    Needs ChatGPT Plus or higher.

    Edition
    The Skill
    Status
    Launch test pending
    Last tested
    Install and self-check passed, 11 October 2026

  • Claude.ai and the Claude apps

    Any plan, Free included. Needs code execution switched on in Settings.

    Edition
    The Skill
    Status
    Launch test pending
    Last tested
    Not yet

  • Claude Projects

    Pro, Max, Team or Enterprise.

    Edition
    The Project kit
    Status
    Launch test pending
    Last tested
    Not yet

  • Gemini (Skills)

    Personal Google account, 18 or over. No subscription needed.

    Edition
    The Skill
    Status
    Launch test pending
    Last tested
    Not yet

  • ChatGPT Projects

    ChatGPT Go, Plus or higher.

    Edition
    The Portable kit
    Status
    Launch test pending
    Last tested
    Not yet

  • Grok Projects

    A Grok plan that includes Projects.

    Edition
    The Portable kit
    Status
    Launch test pending
    Last tested
    Not yet
Verified
Tested on a fresh install on the date shown. Supported.
Limited
Works, with the gaps noted. Supported within those limits.
Experimental
May work. Not supported yet.
Planned
Not available yet.
Launch test pending
Built for this platform; its launch test hasn’t run yet.

Image credits

The portraits on the sales page are illustrations drawn for MX Digital from reference photographs. The people shown are influences on Copywriting OS, not endorsers, and none of them is affiliated with it. Three illustrations are adaptations of photographs shared under Creative Commons and are themselves shared under the same licence: Daniel Kahneman, after a photograph by nrkbeta (CC BY-SA 2.0); Robert Cialdini, after a photograph by Viktorbuehler (CC BY-SA 3.0); and Rosser Reeves, after a photograph on Wikimedia Commons (CC BY-SA 4.0). John Caples is drawn from a public-domain photograph. Book titles are shown for reference only; the covers on the page are our own designs.