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Meet Nisaba#

Nisaba is your AI writing partner inside Nabu — she carries the structural heavy lifting of a screenplay while you steer the creative vision.

Nabu is the app. Nisaba is the writing partner who lives inside it. She's named after the Mesopotamian goddess of writing, scribes, and literacy.

Think of her as a collaborator who already knows your story. She can talk through a character with you, draft a scene, propose a tighter line, notice when something doesn't add up, and read your script like a development executive when you ask. What she will never do is take the wheel — you decide what the story is.

Who she's for#

If the structure of a screenplay feels overwhelming, that's exactly the gap Nisaba fills:

  • You bring the vision — the story you want to tell and the calls about what's right.
  • Nisaba brings the craft — drafting, shaping, organizing, and watching the work for you.

Note: Small edits Nisaba proposes to your scene text arrive as suggestions you can accept or dismiss. When you ask her to write or rewrite a whole scene, change a character, reorder or remove scenes, or revise your synopsis or treatment, she does it straight away — and you can undo it (Cmd+Z) or restore it from History. See Inline suggestions.

Where she lives#

  • On a tablet or desktop, she lives in a chat panel on the right-hand side of your project. You can drag its left edge to resize it, or collapse it when you want the full screen for writing.
  • On a phone, she's a round chat button in the bottom-right corner. Tap it and her chat slides up; tap the X to tuck it away.

See Chatting with Nisaba for the full how-to.

She already knows your project#

You don't have to re-explain your story every time you talk to her. Nisaba is aware of your synopsis, your treatment, your scenes, your structure, and your characters. When you ask about a beat or a character, she's drawing on what's actually in your project.

She also notices where you are. Ask "what should happen next?" while you're reading a scene, and she answers about that scene.

Tip: The more of your project you've filled in, the sharper her help gets.

She adapts to your genre#

When you set a genre for your project, that choice tunes her voice, her tone, and what she pays attention to.

Her modes follow the screen#

Nisaba behaves differently depending on what you're doing — decided by where you are in the app, not by a setting you choose.

  • Guiding you through a new project. In the wizard, she interviews you and walks the project forward step by step.
  • Working on your script day to day. In an existing project, she's in her full everyday mode — ready to draft, revise, answer questions, and help wherever you point her.
  • Polishing a synopsis or treatment. When you're collaborating directly on one of those documents, she focuses on it with you.

Note: Type /where or /help in chat to see what she's currently set up to do. See Chat commands.

What she won't do#

  • She won't bury you in technical talk. She speaks in terms of your story — scenes, characters, beats.
  • She won't pretend. If she's unsure, she says so.

Good to know#

Uses your plan: Chatting with Nisaba, and asking her to draft or revise, counts toward your plan's usage. A quick question is light; a full scene draft is heavier. Reading her replies costs nothing.

Note: The usage bar at the bottom of the screen shows how much of your plan you've used this cycle — hover it to see when it resets. For bigger requests, Nisaba shows a confirmation with the estimated share of your plan before she starts.