Tag @1code, get a PR.

Mention @1code from GitHub, Linear, or Slack. Or set up automations to run agents on every PR, new issue, and more. Agents work in sandboxes and deliver PRs.

Use cases

Automate repetitive tasks.

Focus on what matters. Let agents handle the rest.

PR Reviews

Not another bot that skims diffs. The agent reads full context, uses the best model, and doesn't cut corners on tokens. Thorough reviews on every PR, automatically.

Linear Tasks to Ready Branches

Assign an agent to a Linear task or tag @1code in a comment. Get a ready branch as output that you can open as a worktree and test locally.

Auto-fix GitHub Issues

Point an agent at a GitHub issue and get a fix as a PR. Works automatically on new issues or on demand by tagging @1code.

Tag from Anywhere

Mention @1code from Slack, GitHub, or Linear to run a coding agent on demand for any task.

Features

Delegate work to agents.

Everything you need to automate your dev workflow.

Sandboxed Execution

Agents run in isolated cloud environments. No local setup needed, no risk to your codebase.

Full Control

Review PRs like any team member. Tag @1code in comments to iterate until you're satisfied.

Works with Your Tools

Integrates with GitHub, Linear, and Slack. Use the tools you already know.

Integrations

Tag @1code from your favorite tools.

  • GitHub: Issues, PRs, and comments
  • Linear: Tickets and projects
  • Slack: Messages and threads

Getting started

Three steps to automate.

From mention to merged PR.

01
Connect Your Repos
Link your GitHub repositories and integrations. One-time setup that takes seconds.

02
Tag @1code or Set Up Automations
Mention @1code in issues, PRs, or Slack. Or configure automations to run on every PR, new issue, and more.

03
Review & Merge
Agents work in sandboxes and create PRs. Open a worktree locally to test changes, give feedback, and merge when ready.

Pricing

Simple, transparent pricing.

Open Source

$0
Forever free
Self-host it yourself

  • Local desktop client (macOS, Windows, Linux)
  • Full source code access
  • Community support via GitHub

Download for Linux View source on GitHub

Pro

$20
Per month
For individual builders

  • Desktop, web & mobile (PWA)
  • Background agents — keep running when laptop sleeps
  • Start from web or phone, continue locally
  • Live browser previews of dev branches

Subscribe

Max

$100
Per month
For teams & power users

Subscribe

Questions?

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

FAQ

What is 1Code Automations?

What automations are available?

How is this different from 1Code?

What agents are supported?

Is my code secure?

How do I get started?

Automate your dev workflow.

Tag @1code from anywhere. Agents handle the rest.