Claude Code cloud sessions can now run on your own runners — `claude self-hosted-runner`, one user per runner, no Bedrock or gateway
Anthropic opened self-hosted environments to public beta on Aug 6, 2026 (Team/Enterprise, off by default): you create a named environment in claude.ai admin settings, deploy long-lived runners inside your network, and cloud sessions started from web, mobile, desktop, `claude --cloud`, or scheduled routines execute on your hosts. All traffic is outbound HTTPS to api.anthropic.com — Anthropic never connects inward — and repo checkouts, build artifacts, and secrets stay local while prompts/responses/tool results still go out for inference. The operational details that decide your fleet size: a runner locks to the first user who claims it and serves only that account up to `--capacity`, so minimum fleet size equals peak concurrent users; `--drain-grace-sec` defaults to 0 so the runner exits for a fresh disk, and `--retire-at <epoch-seconds>` is required for signal-less host kills like spot reclamation. Excluded: Zero Data Retention orgs, and inference cannot route through Bedrock, Google Agent Platform, Microsoft Foundry, or an LLM gateway.
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