Fly.io

Fly.io is a developer-focused cloud platform designed to provide real, persistent Linux computers for running agents, AI workloads, MCP servers, and custom applications. It enables developers to easily deploy, scale, and manage their agent-powered apps, offering features like instant booting hardware-isolated VMs (Machines), persistent Sprites environments with automatic checkpointing, secure connector management for third-party APIs, and seamless scaling from sandbox to production. It's particularly suited for teams building AI agents and tools that require reliable, low-latency infrastructure with minimal management overhead.