MCP server hosting: a complete guide

Model Context Protocol (MCP) servers expose tools, resources, and prompts to AI clients and commonly operate as long-lived, stateful, bursty, credential-bearing services that must be reliably reachable by one or more agents. The article outlines four hosting approaches: local stdio processes for individual development, servers bundled into clients for simple stateless integrations, edge or serverless deployments for independent HTTP-based calls, and persistent virtual machines for shared, stateful production workloads. It argues that production deployments require durable storage and processes, stable DNS and TLS, observability, concurrency handling, secure authentication and isolation, low idle costs, and self-hosting options for sensitive or regulated environments. The author presents persistent microVMs as a strong fit for these needs and promotes boxd as a self-hostable platform offering persistent VMs, per-VM HTTPS endpoints, hibernation during inactivity, tenant isolation, and rapid VM forks for testing. While local and serverless hosting remain appropriate for scratch tools and genuinely stateless API wrappers, the article concludes that most teams running production agents will use a mix of patterns and generally need at least one persistent host for credentialed, multi-agent MCP services.

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