Working in code for product designers

A series covering practical fundamentals of operating in frontend code to enable live product design

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Why Localhost

Coding agents enable product designers to design directly in production code. But some key knowledge of frameworks and tools is still needed.

Localhost is for designers who want to quickly come up to speed and feel comfortable in a real codebase — enough to clone a repo, name the tech stack, and direct an agent like a confident collaborator.

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Localhost 1

Frontend fundamentals for designers
The working frontend knowledge a product designer needs to operate in a real repo with a coding agent. Frameworks, tooling, stacks, and the local dev server.
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Localhost 2

Git for designers: clone, branch, commit, ship
Version control without the terminal anxiety. GitHub setup, cloning a repo, branches, commits, and pull requests — explained in language a designer already speaks.
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Localhost 3

Working with coding agents
Coding agents are the new collaborator on every modern product team. Learn how scope, AGENTS.md, MCPs, and skills shape what they can do — and how to direct one well.
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More coming

New articles drop as we cover the next layer.

Once you're comfortable, ship from Studio

Handle Studio is the macOS app for designing directly in production code. Pair it with your agent and the basics from this series, and you can land your design work the same way an engineer ships a PR.

Available on macOS
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