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Index / tool
Visit www.pencil.dev
Category
Developer Tools
Rank
No. 3337Tools index

Previous survey · No. 3219 ·

Pricing
Freemium
Type
TOOL
Use case
Design & Media · Coding
Interfaces
Editor Extension
Date

About

Pencil is a design tool that integrates directly into your IDE, allowing you to design interfaces on a visual canvas and automatically generate code. It bridges the gap between design and development by bringing the design process into your coding environment.

What it does

The site describes pen.dev, formerly pencil.dev, as a design canvas where agents and people edit the same file. It says users can connect Claude Code, Cursor or other agents through MCP, design headlessly with a CLI, import from Figma or live webpages, and export frames as HTML with CSS or Tailwind.

Stated on the product site

Agent access
Agents connect over MCP
Headless use
CLI for headless design
Code export
HTML and CSS/Tailwind export
File format
Open JSON-based .pen format
Figma import
Imports .fig files
Model access
Subscriptions, API keys, MCP or CLI

Not stated on the site

  • The page does not say what pen.dev costs or which features require a paid plan.
  • The page does not say which operating systems the downloadable app supports.
  • The page does not say whether design files are stored locally or on pen.dev servers when shared by link.

Written from the product site at pen.dev.

What it can do

  • Design user interfaces on visual canvas

    User interface design requirements → Visual interface design

  • Generate code from interface designs

    Visual interface design → Source code

  • Integrate design tools into development environment

    IDE workspace → Embedded design interface

  • Convert visual designs to implementation code

    Canvas-based interface mockups → Executable interface code

  • Synchronize design changes with code

    Modified visual designs → Updated source code

Tags

designideui-designcode-generationdeveloper-toolsvisual-designfrontend

Media

Pencil

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Editorially curated, with community endorsements as a secondary signal. Corrections welcome.