Improve My Prompt
Reviews your prompt (Claude, ChatGPT, Gemini, or any LLM) against 12 rules: explicit role, context ordering, section delimiters, output format, few-shot examples, positive instructions, reasoning behind constraints, step breakdown, quantitative constraints, named audience, structured output, and grounding. Returns a numbered list of specific fixes and an overall score — does NOT rewrite your prompt. AI-powered.
The 12 rules checked
- 01 Explicit role/persona (You are a...)
- 02 Context before instruction
- 03 Section delimiters (XML / headers)
- 04 Output format specified
- 05 Few-shot examples for non-trivial tasks
- 06 Positive instructions over negative
- 07 Reasoning behind constraints
- 08 Multi-step tasks broken into steps
- 09 Quantitative constraints (5 bullets, not 'a few')
- 10 Audience or goal named
- 11 Structured output for extraction
- 12 Grounding for long-context prompts
Based on Anthropic's prompt engineering guide, OpenAI's best practices, and Google's Gemini prompting strategies.
Prompt review guides
Start with the specific prompt problem, then review the full prompt against the checklist.
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Common Workflows
Use these patterns when you need this tool for a real publishing, documentation, or developer workflow.
Find why a ChatGPT or Claude prompt is underperforming
Builders who have a prompt that works sometimes but produces inconsistent, vague, or poorly formatted output.
- Paste the prompt exactly as used
- Review the score and numbered issues
- Apply the specific fixes before testing again on real inputs
A clearer prompt with better role, context, constraints, examples, and output format.
Search intent: why is my ChatGPT prompt not working
Review a system prompt before shipping
Product teams adding an LLM prompt to a workflow, agent, support tool, or content generator.
- Paste the system or developer prompt
- Check for missing audience, delimiters, examples, and failure constraints
- Update the prompt and run a small eval set
A production prompt that is easier to test and less likely to drift.
Search intent: system prompt review checklist
Turn a vague prompt into an actionable edit list
People who want critique and specific fixes rather than a full automatic rewrite.
- Paste the rough prompt
- Read the numbered improvement list
- Apply the edits you agree with while preserving your intent
A prompt improvement checklist that keeps you in control of the final wording.
Search intent: improve my AI prompt with specific fixes
Frequently Asked Questions
- What does the prompt reviewer check?
- It scores an existing prompt against prompt-quality rules — role, context, task, constraints, output format, examples, audience, and grounding — and returns specific edits instead of a vague rating.
- Does it rewrite my prompt or critique it?
- It critiques and gives targeted fixes. For a full rewrite from a rough idea, use the Prompt Optimizer instead; use the reviewer when you already have a prompt to improve.
- Which prompt types does it handle?
- ChatGPT, Claude, and Gemini prompts, plus production system prompts, developer prompts, support-bot prompts, and agent prompts.
- What model powers it, and is my prompt stored?
- It runs on MarkdownMe's capped AI endpoint. Your prompt is sent only to generate the review. You choose whether we keep it to improve the tools. See the privacy page.
- Is it free?
- Yes, with a daily cap to keep it free for everyone.
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About Improve My Prompt
Paste any LLM prompt and get specific, actionable fixes against 12 best-practice rules from Anthropic, OpenAI, and Google. Free, no login. This AI-backed tool sends your input to MarkdownMe's capped AI endpoint to generate the result. You choose whether we keep it to improve the tools. See the privacy page. No account is required. MarkdownMe provides free, fast, and reliable Markdown tools for developers, writers, and anyone who works with Markdown.