Free tool
Prompt Analyzer
Score your prompt against nine best-practice checks.
0 words
Score
0Weak
Checks
- At least 40 wordsShort prompts under-specify the task. Aim for 40–200 words.+10
- Sets an explicit roleStart with 'You are a…' to set expertise and tone.+15
- Names the concrete taskUse an explicit verb: write, refactor, analyze…+15
- Provides contextGive background: audience, product, constraints, prior state.+10
- Includes at least one exampleFew-shot examples dramatically raise accuracy.+15
- Specifies output formatAsk for JSON, markdown, table, or a schema explicitly.+15
- Sets constraints or guardrailsAdd do/don't rules and hard limits.+10
- Names the audienceSay who reads it: 'for senior React devs', 'for CFOs'.+5
- Asks for step-by-step reasoningRequest explicit reasoning for complex tasks.+5
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