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The room

And around it

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Write. Track. Check. Share.

A writing room with a perfect memory.

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See it workStart a book and see Author's rooms fillPick an example or type your own: outline, cast, first page.

Who it is for

Small helpers

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Who writes here

Four ways to work on a long story.

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Start here

Look things up

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Documentation

From the first book to the last export.

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Latest release0.1.0: The Author website2026-10-17

Read

Know us

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Read, ask, follow along

Notes on writing long stories.

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Newest postWhy long stories break in the seams, and how to check for itThe continuity errors that survive editing, why they happen in long books, and the small set of rules that cat

With AI

Let your AI draft. Keep the plot.

Author does not write your book. It gives your AI the memory of the whole story, and you the proof of what changed.

One scene, before and after.

Bring your own AI: Claude, ChatGPT or Grok. Here it drafted a line, you edited it, and a check told you why.

Sample scene, Chapter 8, scene 3

Before: version "Before chapter 8", saved by your AI

Imogen set down the cup. "Mr Calloway," she said, "you are early." The rain had not let up since noon.

After: the scene, once you have edited it

Imogen set down the cup. "You are early," she said, though she could not have said for what. The rain had not let up since noon.

removed by you what stays

An illustration made for this page. Your AI works on your own book; the checks run on all of it.

Four calls, in this order.

  1. Ask first

    What does Imogen know at the end of chapter 8? The AI reads the state of the character at that scene, each change with its cause.

    geenius_author · story.state

  2. Save a version

    Before it rewrites your prose, it freezes the book as a named version. You can diff it word by word or bring it back.

    geenius_author · versions.save

  3. Write with a revision

    It changes the scene with the revision it read (expect_rev), so it never overwrites a newer edit of yours.

    geenius_author · scenes.patch

  4. Check afterwards

    It runs the eleven continuity checks and tells you what broke. You decide what stays.

    geenius_author · story.checks

Every plan has the door.

Your own AI works with Author on every plan, over MCP. Prices per month, VAT included, from the plan table.

  • Pro€19
  • Premium€39
  • Max€79
  • Ultra€158

All plans and yearly prices

Questions writers ask.

Does my AI see the whole book?

Only through the connector, in the workspace you chose, after the plan check. It reads the parts it asks for: the outline, a scene, the state of a character.

Can it overwrite my work?

No. It writes with the revision it read, so a newer edit of yours makes the write fail instead of being lost. It also saves a named version first.

Which AI works?

Any that can use a remote MCP server: Claude, ChatGPT, Grok or your own agent. It uses its own subscription.

Who owns the text?

You do. It is Markdown, exportable at any time.

Give your AI the whole book.

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