Authr

Your AI editorial team

Seven roles ship with every book: Lead, Writer, Reviewer, Line editor, Beta reader, Researcher and Continuity.

More about agents →
  • Seven ready-made roles
  • Custom roles
  • Three edit modes
  • Locked pages
  • Per-book rules
  • Agents read the whole brief
  • Web search and fetch
  • Three ways to run
  • Model per role
  • Your inbox
  • Delegate a task
  • Agents delegate to each other
  • Quick asks from any page
  • Run log
  • Activity feed
  • Loop guards
  • Connection status

Inline suggestions and review

When an agent wants to change your prose, the change appears inline, beneath the paragraph it touches: old text struck in red, new text in green, the agent's reason, and Accept or Reject.

More about suggestions →
  • Inline proposed changes
  • One change at a time
  • Reject with a note
  • Accept all or reject all
  • Rewrites split per paragraph
  • Stale detection
  • Review queue
  • Multi-part proposals
  • Validated before you see it
  • Keyboard review
  • Every save versioned
  • Snapshots
  • Trash
  • Conflict protection

Comments and @mentions

Highlight any passage and comment, for yourself or for an agent.

More about comments →
  • Anchored to the passage
  • Ask-an-agent bubble
  • Comment kinds
  • Threads
  • @mentions route work
  • Replies route themselves
  • Keyboard
  • Book-wide comments

Brainstorms

Open a brainstorm, choose who answers, attach the chapters they should read, and talk it through.

More about brainstorms →
  • Free conversation
  • Streaming replies
  • Agents that push back
  • Pull in other agents
  • Make it so
  • Manage threads
  • No length limit on what you write
  • Listen to any message

Codex (story bible)

Characters, places, items, factions, lore, concepts and events, each with a profile, fields, aliases and relationships.

More about codex →
  • Eight entry types
  • Profiles
  • Automatic mention tracking
  • Where it appears
  • Relationships
  • Shared across a series
  • Find anything
  • Agents keep it current

Relationship graph

The graph draws your codex as a living map: characters, places and things joined by the relationships you've set, by mentions and by how often they share a scene, with chapters and notes alongside.

More about graph →
  • Built from the book
  • Filter what you see
  • Hover, find, open
  • Your layout, saved
  • Stays current

Timeline

Lay out what happens in story order, separate from the order you tell it, in lanes by plotline.

More about timeline →
  • Story order in lanes
  • Timeline events
  • Told vs happened
  • Quick-date scenes
  • Agents keep it honest

Outline: corkboard, plot grid and list

Three views of the same structure.

More about outline →
  • Corkboard
  • Plot grid
  • List view
  • Plotlines
  • Structure templates
  • Lay down an outline in one go

Manuscript and editor

Parts, chapters and scenes, plus front and back matter, in a Markdown editor set in a book serif.

More about manuscript →
  • Library
  • New book in seconds
  • Style guide
  • Binder
  • Page details
  • Editor
  • Write, split or preview
  • Focus mode
  • Autosave
  • Live word counts
  • Images
  • Smart typography
  • Import a draft
  • Series
  • Resume where you left off

Research notes and images

Keep notes, research and ideas next to the manuscript, with sources and tags.

More about research →
  • Notes, research and ideas
  • Ask the Researcher
  • Pin into every brief
  • Image library
  • Agents can file images

Read aloud

Natural neural voices run right in your browser, with no account or cost, and highlight each sentence as they read.

More about read aloud →
  • Natural voices, free
  • Or your system voices
  • Player
  • Follows along
  • Listen from anywhere

Progress and goals

Every save counts words added and removed, by you and by each agent.

More about progress →
  • Real words added and removed
  • Who wrote it
  • Goals
  • Pace and finish date
  • Streaks and calendar
  • Charts

Preview and export

Preview the compiled book with a title page and contents, then export EPUB, Word, a print-ready page for PDF, Markdown, plain text or a full backup.

More about export →
  • Whole-book preview
  • Synopsis mode
  • EPUB 3
  • Word (.docx)
  • Print-ready PDF
  • Markdown, plain text, JSON
  • Export settings
  • Import

Claude and ChatGPT

Add Authr to Claude or ChatGPT with one link.

More about claude & chatgpt →
  • Paste one link
  • Sign in and allow
  • Ask in plain words
  • Same rules as your team
  • Unlimited on every plan
  • Developer tools too

API and webhooks

The same 100 actions behind the app, as a plain REST API with docs written for agents.

More about developers →
  • One route table
  • Docs for agents
  • API keys
  • Webhooks
  • Full task briefings
  • Reply in the response
  • Task tokens
  • Events feed
  • Conflict-safe writes

Everywhere in the app

The details that make long sessions comfortable.

  • Light, dark or auto
  • Works on your phone
  • Live updates
  • Deep links
  • Keyboard shortcuts
  • Your data, exportable

All of it, free to start.

Free for one writer. No card needed.