Alloy
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Introduction
Alloy is an AI prototyping tool for product managers to create high-fidelity prototypes from real products.
Listed on
July 27, 2026
What is Alloy?
Alloy is an AI-powered prototyping tool designed for product managers and product teams. It allows users to capture their existing web product or codebase and use a chat interface to prototype new features and ideas that match their existing design system. Alloy runs the app in a sandbox, enabling live previews and sharing with stakeholders.
How to use Alloy?
- To get started, add the Alloy browser extension (Chromium-based browsers) and sign up. Then, navigate to the product experience you want to prototype from and click Capture in the extension. Alloy captures the design system and opens a new tab where you can prompt changes via chat. You can also connect your codebase for more advanced prototyping. Share prototypes via links and push code to GitHub as pull requests.
Core features of Alloy
- Capture your product from the browser extension or connect your codebase
- Chat-based prompting to prototype new ideas
- Live preview in a sandboxed environment
- Share prototypes via cloud links with comments
- Export code or push to GitHub as pull requests
- Integrations with 30+ tools (e.g., Slack, HubSpot, MCP)
- Inline comments for contextual feedback
- Model selection for agent prompts
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