Custom AI marketplace

Substack Newsletter Studio

By Eden · Content & Writing

Turn an idea, source material, and reference newsletters into a publish-ready Substack post.

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Opens in Eden and adds the Custom AI to your workspace when needed.

Why use it

Focused on a useful outcome

Finds the strongest editorial direction, studies useful references, and builds one original Substack article in your voice.

What it can help you create

  • Newsletter
  • Ideas
  • Critique

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Start with a real task

Included knowledge

Grounded in useful references

These references stay attached to the managed Custom AI. You can preview available material and save a separate copy to your Library when you want one.

Substack editorial workflowDocument
Editorial directions and structuresDocument
Substack titles, subtitles, and openingsDocument
Argument, evidence, and originalityDocument
Paywall and reader relationshipDocument
Substack article revision rubricDocument
Article artifact and publishing handoffsDocument
Gurwinder: The Intellectual Obesity CrisisSubstack · PostDan Koe: How to articulate yourself intelligentlySubstack · PostDan Koe: If you have multiple interestsSubstack · Postixcarus: Rewiring Your Brain To Do Hard ThingsSubstack · Post

Put Substack Newsletter Studio to work

Start a focused conversation, then connect the workspace knowledge that matters to you.

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