Prompt bench

Build a brief before you ask

This is the RCTCO frame from Level 2: role, context, task, constraints, output. Fill the blanks, copy the result into Gemini, then bring the answer back and mark what you would change.

RoleWho should Gemini be for this task? A skeptical editor, not a superhero.ContextFacts the model cannot see: audience, country, what you already decided.TaskOne main job. If you have three jobs, this bench is for the first one.ConstraintsLength, must-include, must-avoid, reading level, sources you will accept.OutputThe shape: headings, a table, three options then a recommendation.

Assembled prompt

The brief will appear here as you type.

Self-check before you send

The audience or user is named.
Facts the model cannot know are written down.
There is one clear task.
A constraint can be failed, such as length or a ban list.
The output shape is specified.
No passwords, keys, health data, or client secrets are in the brief.

Tick the checks that are true.

What happened when you ran it