Write Worlds.
Track Continuity.
Stay in Control.

Your story deserves more than a document.

Guild of Chapters is a writing IDE with offline AI tools, continuity checking, character voice tracking, and version history that works like git… but for novels.

HISTORY
v1.2
v1.1
v1.0
Chapter 3: The Return

The ancient library stood silent, its shelves lined with tomes that whispered secrets to those who dared to listen. Sarah felt the weight of history as she reached for the leather-bound volume.

AI Suggestion
Consider adding sensory details about the texture of the leather...
CHARACTER
Sarah
Protagonist
Formality: Medium
Dialect: Standard
Vocabulary: Rich

A Creative Writing Environment Built Like a Developer's IDE

Continuity Engine

Detect contradictions, timeline leaks, and character inconsistencies as you write.

Voice-Aware Editing

Grammar fixes that respect dialect and character voice.

Branching Drafts

Experiment with alternate scenes and endings without duplicating whole docs.

AI that works with you, not above you.

Browser Model
  • → summaries
  • → grammar checks
  • → dialect classification
  • → offline rewriting
  • → embeddings
Cloud Model (your BYOK or free Haiku)
  • → deep continuity
  • → style transforms
  • → multi-scene reasoning
  • → world bible extraction

Your browser does the fast stuff.

Your cloud key handles the big-brain stuff.

You stay in control of cost, privacy, and compute.

For Authors, Editors, and Studios

Authors

Keep your world stable. Never lose track of characters, locations, or timelines.

Editors

Suggest precise edits tied to specific paragraphs with diff history.

Studios

Manage multiple manuscripts with consistent lore and shared canon.

Your book finally gets version control.

Try wild rewrites without fear. Everything is reversible.

Chapter 3, Paragraph 12

The ancient library stood silent, its shelves lined with tomes that whispered secrets to those who dared to listen.

main
chapter-3-rewrite
alternate-ending
experimental-scene

Never Lose a Voice Again

Automatic dialect detection

AI identifies and tracks character-specific speech patterns.

Character persona/voice profiles

Build detailed voice profiles that persist across chapters.

Tone and vocabulary consistency

Ensure characters speak consistently throughout your story.

Spot "voice leaks" across chapters

Detect when one character's voice accidentally appears in another's dialogue.

Character: Marcus
Formality Level:
High (academic)
Dialect:
British English
Vocabulary Style:
Scholarly, archaic terms
Speech Patterns:
Long sentences, subordinate clauses
Recent Voice Matches:
Ch. 2, Para 5: 98% match ✓
Ch. 4, Para 12: 95% match ✓

Simple Pricing

Starter

Free-ish
  • Local AI
  • Basic grammar checks
  • Unlimited projects
  • Local-only tools

Bring Your Own API Key to unlock deeper AI. Use as much as you want—no markup from us.

Get Started

Pro

$20/mo
  • Cloud AI via your key
  • Continuity engine
  • Multi-branch analyzer
  • Timeline & world bible tools
  • Cloud sync + history

Bring Your Own API Key to unlock deeper AI. Use as much as you want—no markup from us.

Start Pro Trial

Start Writing with Superpowers →

Your story deserves a real toolchain.

Get Started Now