Alloy

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.

Alloy is developer tools software teams evaluate for developer tools. Use this page to review pricing, integration signals, and the best alternatives before you commit.

Free API 70/100
#69 in Developer Tools (69 tools)
Added 4 months ago
Data reviewed Jul 16, 2026

Profile facts come from the vendor source. AiMatch labels unknown pricing or API details instead of estimating them.

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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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Key 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

Free Tier Available

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

Prototype directly on your real product or codebase for on-brand, accurate results.
Reduce setup time and environment issues by running apps in Alloy's sandbox.
Streamline handoff by converting sessions into production-ready pull requests.
Improve collaboration with shareable cloud sessions and feedback comments.
Leverage AI assistants and reusable skills to scale prototyping workflows.

Limitations

Figma import is not available yet (you can export to Figma but cannot import from it).
Connecting a codebase requires admin permissions and roughly 15 minutes of setup time, which may be a barrier for some teams.

Frequently Asked Questions

How do I use my existing product in Alloy?
Either connect your codebase or add the browser extension. Using your codebase lets Alloy run your entire app and write production code, while the browser extension helps with instant visual prototyping.
How is Alloy different from Claude Code?
Alloy lets anyone in your company start a session from the cloud without running a developer environment locally. Sessions can be started from Slack, run in parallel, shared with teammates or customers, and pushed to GitHub without complex setup.
How is Alloy different from other app builder tools?
Alloy starts from your existing product and writes production code you can push to customers. It understands your product, component library, and design system so prototypes look on-brand rather than relying on pasted screenshots.
Is there any setup required?
The browser extension requires no setup and captures your product instantly. Connecting your codebase requires admin permissions and around 15 minutes of setup time.
Can I import from Figma?
Not right now. Alloy recommends capturing your actual web app for best results; you can export an Alloy prototype to Figma at any time.
Does Alloy generate code that I can use?
Yes, every Alloy session can be exported, accessed via MCP, or converted to a Pull Request in GitHub.

Getting Started

  1. 1 Step 1: Install the Alloy browser extension to capture pages from your live web app for instant visual prototyping.
  2. 2 Step 2: (Optional) Connect your codebase when you need production-ready changes—this requires admin permissions and approximately 15 minutes of setup.
  3. 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

Available: Yes

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