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Matter by JetBrains: AI development companion for product teams | JetBrains: Developer Tools for Professionals and Teams

Matter

Matter

AI development companion for product teams

Skip the throwaway prototypes. Build what lasts.

Test new ideas faster – no coding required

Most prototyping tools create beautiful mockups that developers have to rebuild from scratch. Matter is different! It works directly in your codebase, so your prototype becomes your foundation.

Build a functional flow

Build quick prototypes and test business logic with the existing codebase.

Enhance the user experience

Explore and polish your prototypes visually – all without leaving your existing codebase.

Dive into new technologies

Experiment with 3D, interactive experiences and animations.

How Matter works

Connect your codebase

Link Matter to your existing repository and get a live preview running in minutes. Everything happens in an isolated environment, so there’s no risk to your production code.

Modify with Matter

Use simple prompts to modify your app instantly. Matter's AI agent handles the implementation, with no coding necessary.

Collaborate in real time

Say goodbye to localhost:3000 – Matter lets you share working prototypes instantly with teammates and stakeholders. Whether you're explaining ideas to decision-makers or validating with customers, you get feedback in minutes with functional demos instead of static mockups.

Hand off what you built

Matter integrates directly with GitHub and allows you to create a GitHub Pull Request from its interface. Used to a more traditional handoff? No problem – Matter creates an issue draft with generated code and documentation.

Try Matter flow to iterate, experiment and learn faster

before

matter

after

Week 1-2

Requirements, documents and wireframes

Week 3-4

Static Figma mockups

Week 5-6

"Can you see my screen?" meetings

Week 7-8

Developer rebuilds everything from scratch

Week 9-10

"This isn't what we designed" iterations

Week 11-12

Finally ships (maybe)

after

Day 1

Working prototype in your actual codebase

Day 2

Approve from stakeholders on the real functionality

Day 3

Review from developer and ship to the production

Ready to skip the rebuild?