Overview
FixMyPrompt is a Manifest V3 Chrome extension that sits on AI chat sites and improves prompts before they are sent. It scores drafts locally, offers one-click rewrites, and shows a before/after compare so users can accept or reject the change.
Problem
People paste weak, vague prompts into ChatGPT and similar tools, then iterate blindly. There is no in-page score or rewrite before the request hits the model.
Solution
Built a Plasmo + React + TypeScript extension that detects prompt inputs across major AI platforms, scores them on five dimensions, and rewrites with one click — plus history, templates, and a compare view.
My role
Sole product engineer — extension architecture, UI, scoring, platform detection, and Chrome Web Store assets.
Key features
- Works on ChatGPT, Claude, Gemini, Perplexity, Grok, DeepSeek, and more
- Live 0–100 prompt score with category breakdowns
- One-click improve, grammar, concise, and expand actions
- Before/after compare with accept or reject
- Prompt history, templates, and keyboard shortcuts
Results & impact
Turns prompt writing into a scored, editable step on the page you already use — without leaving ChatGPT or Claude.
Technology stack
- Chrome Extension
- Plasmo
- React
- TypeScript
- Tailwind CSS
Screenshots
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