Mistle is a background agent platform that runs AI agents in secure sandboxes with brokered credentials, reusable snapshots, and connected tools that teams can inspect and control.

It supports workflow automation such as turning issues into verified PRs, investigating production bugs, reviewing PRs, and running scheduled maintenance from tools like GitHub, Slack, and AWS. The cloud service is free during beta, then offers a Free tier with limited sandboxes, a Team plan at $250/month with usage credits and unlimited sandboxes, and an Enterprise plan with custom deployment and compliance options.