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1Code by 21st

Claude Code, but usable

Open source client
for parallel work with calm UI

Powerful Features

Everything you need to work with Claude Code effectively

Parallel Agents

Work on multiple features at once. Run agents locally, in worktrees, or in the background.

Full Claude Code Power

All the features you love: plan mode, skills, message editing, and more.

Keyboard-First UI

Hotkeys for every action. Navigate, create, and manage without touching your mouse.

How It Works

Get started with Claude Code in three simple steps

1

Sign In with Anthropic

Connect your Anthropic account. Uses your Claude Pro/Max subscription.

2

Run Agents Anywhere

Launch agents from the web or the macOS app. Same power, your choice.

3

Ship from the UI

Open PRs and merge changes directly in our interface. No context switching.

Pricing

Choose your plan

Recent Updates

What's new in 1Code

v0.0.56Feb 5

1Code v0.0.56

  • •Hotfix release v0.0.56
  • •macOS ARM64 (Apple Silicon): Download the -arm64.dmg file
  • •macOS Intel: Download the .dmg file (without arm64) Auto-updates are enabled. E...
v0.0.55Feb 5

1Code v0.0.55

  • •Claude Code 2.1.32 — Updated to Claude Code binary 2.1.32, SDK 0.2.32, added Opu...
  • •Thinking Stream UI — Streaming thinking content with improved thinking tool visu...
  • •Inbox Redesign — Redesigned inbox pages with context menus, fork locally option,...
v0.0.54Jan 31

1Code v0.0.54

  • •Plugin System & Marketplace — Plugin system with marketplace, MCP authentication...
  • •Beta Release Channel — Early Access opt-in toggle in Settings > Beta to receive ...
  • •MCP Servers in @ Mentions — Show MCP servers instead of individual tools in @ me...
View all updates

Frequently Asked Questions

Everything you need to know about 1Code

Pricing

Choose your plan

Free

Local client, self-hosted

$0/forever
  • Local macOS desktop client
  • Full source code access
  • Self-hosted on your machine
  • Community support via GitHub
Build it yourself
Popular

Pro

Local + Web + Mobile + Automations

$20/month
  • Everything in Free
  • Web & mobile app access
  • Run background agents from phone
  • Live browser previews of dev branches
  • Automations: PR reviews, Linear tasks, CI/CD fixes

Max

Pro + Priority Support

$200/month
  • Everything in Pro
  • Request any feature or integration
  • Personal support
  • Support a growing product

Questions? Reach out at support@21st.dev or Discord.