Authr

Write your book with an AI editorial team.

Agents draft, edit and fact-check inside your manuscript. Nothing changes until you say yes.

LLeadWWriterRReviewerLELine editorBRBeta readerRResearcherCContinuity
The Salt Archive · Chapter 5Draft

The tide had gone out farther than Tamsin had ever seen it, past the third breakwater, past the iron posts that marked where Wrack Harbour used to end. She stood at the edge of the wet sand with her uncle's map folded in her coatShe stood where the sand turned to mirror, her uncle's map folded against her ribs, and felt, for the first time, that the map was looking back.

LE Line editor suggests a change

Sharper image, and it makes the map feel alive.

CContinuity
Chapter 1 has the map locked in Orrin's desk. When did she take it?
BRBeta reader
"Looking back" gave me chills. Keep it.

Try it. Accept or reject the edit.

Finish the book. Keep your voice.

Write faster

Agents draft scenes from your outline, check facts and catch slips.

Stay in control

Every edit is a suggestion. Accept it, reject it, or ask again.

Never lose track

Characters, places and timelines stay straight across the whole book.

Everything a book needs.

LELine editor

Edits you approve.

Your Line editor marks changes right in the text. One click to accept or reject.

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A Line editor suggestion in the manuscript.
RReviewer

Notes like a real editor.

Highlight a line and ask. Your Reviewer and Beta reader answer in the margin.

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Reviewer and Continuity notes on a passage.
LLead

Think it through together.

Talk through plot problems with agents who have read the book. Then turn the decision into changes.

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A brainstorm with the Researcher and Beta reader.
CContinuity

Your world, remembered.

Every character, place and rule in one place, tracked across every chapter.

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A character in the story bible.
WWriter

Plan it your way.

Corkboard, plot grid or list. Agents can draft scenes straight from your cards.

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The corkboard.
RResearcher

See the finish line.

Daily goals, streaks and a projected finish date.

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Progress and goals.
TimelineEvents in story order, flashbacks and all.
Relationship mapSee who's connected to whom.
Research notesSources and images, next to the book.
Read aloudFree natural voices to hear your prose.
Search everythingEvery book, note and comment.
Export anywhereEPUB, Word, PDF and more.
Version historyEvery change saved. Restore any time.
Works on your phoneReview and approve on the go.

Use the AI you already have.

Connect Claude or Codex to your book in a minute. Same rule: every edit is a suggestion.

How to connect →
  1. Make a key
  2. Add Authr
  3. Ask for work
# 1. In Authr: Settings → API keys → New key
$ claude mcp add --transport http authr https://app.authr.shop/mcp --header "Authorization: Bearer bk_…"
✓ Added HTTP MCP server authr
$ claude
> Draft chapter 4 from its synopsis. Suggest edits, don't overwrite.
⏺ authr · get_book_contextstyle guide, codex, outline
⏺ authr · update_nodeCh. 4 drafted, 2,140 words
⏺ authr · create_proposal1 suggestion on Ch. 3
✓ Done. The draft is in, and a suggestion is waiting for you.
About a minute, start to finish. Illustration; your agent picks its own tools.

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Questions

Will the AI rewrite my book?

No. Every change to your words is a suggestion you accept or reject. Every version is saved.

Do I need to be technical?

No. Sign in with Google and start writing. The agents are ready on day one.

Can I use ChatGPT or Claude?

Yes. Connect Claude or OpenAI's Codex to your book in a minute, free on every plan. See how.

Fiction or nonfiction?

Both. Novels, memoir, how-to, series. Anything book-shaped.

Can I take my book with me?

Any time, as EPUB, Word, PDF, Markdown or a full backup.

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