Free writing tool
Claude Writing Prompt Workbench
Choose the writing form, goal, audience, source boundaries, and voice constraints; the workbench turns them into a copy-paste Claude prompt with a built-in revision loop and a current model recommendation.
Workbench
Writing Workbench
What this tool returns
Build a structured Claude writing prompt for fiction, essays, copy, poetry, or editing with constraints and revision-loop instructions.
Inputs
- Writing form
- Goal
- Audience
- Constraints
- Source notes
- Voice notes
Outputs
- Structured Claude prompt
- Model recommendation for the task
- Revision-loop instructions
- Human approval checkpoints
FAQ
Does the Writing Workbench send my draft or prompt anywhere?
No. It runs in your browser. The generated prompt is assembled client-side and nothing is sent to a server.
Can I use the prompt for fiction?
Yes. Choose fiction as the form and include story-bible, point-of-view, voice, and continuity constraints.
Why does the prompt ask Claude to wait before drafting?
Planning and drafting should be separate for serious writing. The pause gives the writer a decision point before Claude produces prose.
Which Claude model should I paste the prompt into?
The workbench suggests one based on the writing form. Claude Opus 5 is the documented starting point for most workloads, Claude Sonnet 5 suits high-volume variant work, and Claude Fable 5.1 is the escalation for long-horizon jobs such as a whole-manuscript pass. Model guidance was reviewed September 19, 2026.