Closed beta · request your spot

The AI writing assistant
that actually knows
your story.

Muse keeps your entire world in context — characters, lore, plot, voice — so every session starts where you left off. Not where the AI does.

30 days free · No credit card required
museeditor.com
Master Plot
Master Plot
Acts & Chapters
Act 1
The Horizon
The Guarantee
Burned Bridges
Marching Ahead
Characters
Riley
Heather
James
Documents
World Backstory
Riley & Heather
Burned Bridges
B I U
H1 H2
• 2,808 words  ·  Ctrl+Enter to continue

Polaris cut corners on Edison wherever they could, but it appeared that employing a "Bereavement Advisor" had been considered a necessary investment. Which probably said more about the number of work-related accidents on Edison than it did about the corporation's concern for its colonists.

One thing Polaris apparently wouldn't spring for was chairs in a waiting room. Riley swayed from side to side, staring at the back of the head of the woman in front of him in the line. She was hunched in on herself, head buried in a scrap of cloth, crying in a snuffly, embarrassed kind of way.

Riley wasn't crying. He wasn't sure he knew how to. Something inside of him had been sucked out. A hatch failing on his soul's airlock.

What does Riley believe about himself right now?
At this moment, Riley's core belief — that his real life begins the moment he escapes Edison — has just collapsed. The college plan was his entire identity. With his father gone, he's not grieving a person yet. He's grieving the future version of himself that no longer exists.

He hasn't named this yet. He's numb. The grief comes later.
Ask Muse...
What Muse actually does

Muse has read your entire manuscript before you type a word. Ask about a character detail from chapter two while writing chapter fifteen. It knows. Every session, without you pasting a thing.

Persistent project context  ·  Always in context

When something isn't working, you'll know why. The Editor role reads your full manuscript and tells you when a character acts against who they've been established to be — and which chapter proves it.

Editorial intelligence  ·  Manuscript-aware feedback

Every character in Muse has an arc profile — their lie, their wound, their want, their need. Talk to any character directly. Muse voices them from the inside, consistent with who they are at this point in the story.

Character intelligence  ·  Arc-aware voice

Beta just opened. Real writer reviews will appear here as they come in.

Every time you open a new AI chat, it's forgotten everything. Your protagonist's name. The magic system you spent months developing. You paste in context, get a generic response, and wonder why you bothered. AI writing tools weren't built for novelists. Muse was.

The World Bible

It builds your encyclopedia.
While you write.

Muse reads every chapter, every character note, every lore document — and compiles a living knowledge base of your world. Automatically. Always current.

The Arm of Orion — World Bible
World Bible · Compiled automatically
The Arm of Orion
A living encyclopedia of your world. Muse reads as you write — and builds it for you.
Character
Riley O'Ryan
Believes his real life begins the moment he escapes Edison. His father's death destroyed the only route he'd planned.
Location
Edison Station
A cramped, ageing space habitat in the inner system. Run by Polaris Corp. Riley has never known anywhere else.
Faction
United Worlds Military
The institution Riley enlists in as his only path forward. The Marines will become his unlikely home.
Lore
Polaris Corporation
Controls most habitats in the inner system. Employs Bereavement Advisors as a cost of doing business, not compassion.
World Bible
A living encyclopedia of your manuscript. Muse reads as you write — and builds it for you.
255
Entries
Characters 34
Locations 48
Factions 50
Lore 29
Built automatically from your chapters, character notes, and worldbuilding documents. Updated every time you write.
What Muse does

Not a chatbot. A writing environment.

01

It knows your world.
Every session.

Ask about an obscure character detail from book one while writing book three. Muse has read everything, and it remembers. Without you pasting a single word.

"Who is Riley's mother?" — Muse answered from a passing reference in chapter two, a detail the writer had long forgotten they'd written.

Muse — AI Panel
Who is Riley's mother, and why did she leave?
His mother is a ghost in his life. She took a transfer off-station years ago and chose never to return to Edison or her family once she found a better life elsewhere. Riley has never spoken about this directly — but it confirms his core belief: whatever is worth having exists out there, and even people who love you will not come back for what's left behind.
Does this affect how he thinks about Heather leaving?
Deeply. Heather's rejection at the party mirrors his mother's departure — someone he loves choosing a better future over him. He won't consciously connect these, but the pattern is there. Worth making that echo explicit somewhere in Act II.
02

It thinks like
an editor.

Not autocomplete. When you ask for a review, Muse notices when a character acts against who they've been established to be — and references the exact chapter and detail that conflicts.

A developmental editor reads your book once and moves on. Muse has read everything, is always in context, and is available at 2am when the scene isn't working.

Muse — Editor
Chapter 8 feels off but I can't put my finger on it. Take a look?
There's a consistency issue worth looking at. In Chapter 3 you established that Riley reflexively refuses help — it's one of his defining traits. In this scene he accepts assistance without hesitation. That shift hasn't been earned yet. His arc crisis, the moment he admits he can't do it alone, belongs later.
Is that the only thing?
One thing at a time. Want me to flag the next?
Muse — Editor role · has read your full manuscript
03

Talk to your
characters.

Every character in Muse has an arc profile — their lie, their wound, their want, their need. Ask them questions. Muse voices them from the inside, consistent with who they are at their current point in the arc.

Discover a character's voice before writing them. Test how they'd react to a plot event that hasn't happened yet. A writer who knows their characters writes them better.

Muse — Talk to Riley
Age 19 Origin Edison Station Faction Polaris colonist Build Wiry, restless Status Pre-enlistment
Do you think you'll ever come back to Edison?
Come back? No. There's nothing here worth coming back to. Some people are built for places like this. I'm just not one of them.
What about your father?
That's — different. He was supposed to come with me. In a way.
Muse voices characters from inside their current arc position
Pricing

One price. Everything included.

Every plan starts with a 30-day free trial on full Pro access. No API key. No usage anxiety. No separate bill at the end of the month.

Writer
$14.99
per month
  • 150 credits / week
  • 40 credits / session
  • AI writing assistant
  • Voice profile
  • Character chat
  • Plot builder
  • Living World Bible — grows with your novel
  • Bible refreshes a few times a day
Pro
$29.99
per month
  • 300 credits / week
  • 80 credits / session
  • Everything in Writer
  • Living World Bible — scales to a book series
  • Bible refreshes throughout the day
Max
$59.99
per month
  • 600 credits / week
  • 150 credits / session
  • Everything in Pro
  • Living World Bible — built for sprawling sagas
  • Near-real-time Bible refresh

30 days free. No credit card required to start.  ·  One price, everything included — no separate API bill.

Your story deserves an AI
that's actually read it.

Join the beta. Free to start. No credit card.

30 days free · Cancel anytime