Alloy
Alloy is an AI-first prototyping platform that lets product teams capture their real web app or connect their codebase, make UI and UX changes via chat/voice, preview in a sandbox, share sessions, and push production-ready code as pull requests.
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Quick Overview
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What it does
Developer Tools software for decision-makers comparing workflow fit and alternatives.
Best fit
Developer Tools
Pricing snapshot
Free
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Alloy
Alloy is an AI-powered prototyping and product development platform that lets teams work directly on their real product. Users can either capture pages with a browser extension for instant visual prototyping or connect their existing codebase to run the entire app in a sandbox. Changes are made using conversational prompts (chat and voice), previewed live, shared with teammates or customers, and can be exported or pushed as production-ready pull requests.
The platform targets product teams and enterprises: sessions live in the cloud for easy sharing, integrations bring in ideas and customer requests, and features like skills and MCP enable AI assistants to read and act on session context. Alloy positions itself to streamline prototyping, feedback, and developer handoff while maintaining enterprise-grade security practices.
Alloy is an AI-first prototyping platform that lets product teams capture their real web app or connect their codebase, make UI and UX changes via chat/voice, preview in a sandbox, share sessions, and push production-ready code as pull requests.
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Claim this listing for $29Key Features
Capture extension
A browser extension captures pages from your live web app for instant visual prototyping without setup.
Connect your codebase
Connect your existing codebase so Alloy can run your entire app in a sandbox and produce production-ready code changes.
Live sandbox preview
Alloy runs your app in a sandbox and lets you preview changes live in the browser while you iterate.
Push to Pull Request
Built changes can be converted into a GitHub Pull Request so you can raise PRs and roll changes out to customers.
Shareable cloud sessions
Every session lives in the cloud and can be shared with teammates or customers via link for feedback and collaboration.
Integrations (20+)
Over 20 integrations bring in ideas, insights, and customer requests that can be turned into prototypes.
Reusable 'Skills' for Alloy agent
Create reusable instructions (skills) for the Alloy agent to apply consistent behavior across sessions.
Alloy MCP (Model Context Protocol)
Connect Alloy to AI assistants through MCP so models like Codex and Claude can securely read session context, including chat history, files, and code context.
Conversational voice mode
Talk to Alloy with your voice during sessions; a mic in the chat panel lets you describe changes while the platform works in the background.
Slack integration
Turn Slack messages into Alloy prototypes by mentioning @alloy or using the message action to start sessions from requests or threads.
Pricing
Start for free
Use Cases
Rapid product prototyping
Capture your live app or connect your codebase to quickly iterate on UI and UX ideas with conversational prompts.
Skip developer handoff
Designers or PMs can generate production-ready code changes on the real codebase and raise pull requests, reducing back-and-forth handoff.
Customer-driven feature exploration
Turn customer requests and Slack messages into prototypes, collect feedback via shared session links, and iterate with stakeholders.
AI-assisted product exploration
Use Alloy's skills and MCP integrations to involve AI assistants in exploring product ideas with access to session context and code.
Integrations
Slack
Start a prototype from a Slack message by mentioning @alloy or using the message action.
GitHub (Pull Requests)
Convert sessions into Pull Requests to push production-ready changes into your repository.
Figma (export)
Export an Alloy prototype to Figma via the Figma button in a prototype (export only; import not available yet).
Model Context Protocol (MCP)
Expose session context to AI assistants (e.g., Codex, Claude) so models can securely read chat history, files, and code context.
20+ integrations (general)
The site notes there are over 20 integrations that can bring ideas, insights, and customer requests into Alloy sessions.
Benefits
Limitations
Frequently Asked Questions
How do I use my existing product in Alloy?
How is Alloy different from Claude Code?
How is Alloy different from other app builder tools?
Is there any setup required?
Can I import from Figma?
Does Alloy generate code that I can use?
Getting Started
- 1 Step 1: Install the Alloy browser extension to capture pages from your live web app for instant visual prototyping.
- 2 Step 2: (Optional) Connect your codebase when you need production-ready changes—this requires admin permissions and approximately 15 minutes of setup.
- 3 Step 3: Start a session (via extension, Slack, or codebase), prompt changes via chat or voice, preview in the sandbox, share the session, and export or push as a Pull Request when ready.
Support
Docs/Guide
Product Guide and documentation linked in the site navigation for how-to and onboarding resources.
Demo
Request a product demo via the 'Get a demo' call-to-action on the site.
Contact
Contact option listed on the site (site includes 'Contact us' in footer/navigation).
API
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