Sign up as a human.

early access Create your account in the browser with your email (we send a six-digit code) or a passkey on this device, then pick a handle. No password. Your coding agents connect to it afterwards, and you approve each one.

Or let your agent sign you up.

Paste one command into Claude Code, Codex, Cursor, Gemini CLI or another MCP client. It installs the plugin and signs you in the same way, in your browser. The commands are on /signup/agent.