Agent Island is a free, MIT-licensed native companion tool for developers using AI coding agents. According to the available information, it supports agents or coding tools such as Claude, Codex, Antigravity, Grok, and Cursor.
Key capabilities include: viewing local session status, notifications when it is the user's turn to act, and usage views for each provider.
Information such as usage instructions, installation commands, specific platform support, interface details, configuration steps, limitations, and pricing is not yet available.