ToyTools Guide
How to Structure a Prompt
Join role, task, context, and constraints into one prompt. The page does not write it. Runs entirely on your device. Nothing is uploaded.
Quick Answer
A structured prompt is the same job written in separate fields: role, task, context, constraints, and output format. A prompt builder, sometimes called a prompt assembler, joins those fields into one block. Prompt Packer does that. It does not write the wording.
Open Prompt Packer →Why a structured prompt matters
A single box hides which part you forgot. For example, a task with no output format comes back as a paragraph when you wanted a list. Separate fields make the gap visible before you paste the text into ChatGPT, Claude, or any other model. ToyTools is not connected to those products. You copy the block and you send it.
How it works
Type each prompt field. The page rebuilds the block as you type. The role task context split is the point of the prompt fields: each one has its own box. A prompt template builder would do the same job. Markdown uses a heading per field. Tags wrap the same text in markers. One format is not universally better for one model.
How to leave out an empty prompt section: leave the field blank. The heading is omitted, and the page names what it left out. A blank heading would read like an instruction you forgot to fill in.
A prompt packer vs a model that writes the prompt
A packed prompt is not written by AI. A model that writes the prompt invents sentences. This page copies yours. Markdown sections versus XML-style tags is only a change of punctuation around the same fields. What is a structured prompt, in this tool, is those fields and nothing else.
Common Mistakes
Related Tools
You May Also Need
You may also need
- Context Fit CheckerEstimate whether the assembled prompt fits a published window
- Word CounterCount the words in the assembled prompt
- Character CounterCheck the character length of the assembled prompt