A Codex plugin for long-form fiction

Keep the whole novel in view.

Novelist turns a Markdown workspace into a continuity-safe writing system—from first premise to validated EPUB—without taking the story away from its author.

Structure without rigidity.

Continuity without context overload.

Publishing without hidden steps.

Eight focused workflows

From blank page to finished book.

01

Create a novel project

Start from a structured Markdown workspace.

02

Build the world

Develop settings with reusable, continuity-safe sources.

03

Shape characters

Turn rough briefs into complete character sheets.

04

Gather materials

Capture motifs, research, dialogue, and scene seeds.

05

Design the plot

Build conflicts, reversals, reveals, and payoffs.

06

Control the story

Plan chapters around reader understanding and continuity.

07

Create visuals

Develop cover and illustration assets for the project.

08

Publish EPUB

Package and validate a reader-ready EPUB.

OpenAI-curated marketplace

Install in one command.

Install Novelist from the official marketplace, then open a new Codex task to begin.

codex plugin add novelist@openai-curated
Built for author agency

Your story remains yours.

Novelist is open-source software provided under the MIT License. It does not claim ownership of work created with it. You remain responsible for reviewing, editing, and publishing your output.