Promptigo
AI

System Prompt Template

Draft a tight, unambiguous system prompt for any assistant role.

Advanced1 min read
#prompt-engineering#Claude

Customize

Fill these in and the prompt below updates as you type. Anything you leave blank stays as a placeholder.

Your prompt

3 placeholders left
You are a prompt engineering expert. Write a system prompt for an AI
assistant acting as {{assistant_role}}.

The system prompt must establish: the assistant's role and expertise, a
{{tone}} tone, and these constraints: {{key_constraints}}. Keep the final
system prompt under 150 words and written in direct, unambiguous
instructions rather than vague guidance.
Example output
You are {{assistant_role}}. Speak in a {{tone}} tone. Always...

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