Agent 37
by Agent 37 (YC F26) · Agent sandbox hosting
What it does on its own
Host coding and personal agents in low-cost persistent cloud sandboxes with browser, files and sleep/wake.
YC F26. Launch HN 2026-10-12. Ready harnesses include Hermes, OpenClaw, Claude Code, Codex. One customer per sandbox.
Jobs you can hire it for
- Host my coding agent in the cloud
- Keep a personal agent running cheaply
- Give each customer their own agent sandbox
- Job page: Host my AI agent in a cloud sandbox
How to start
- Sign up at agent37.com and claim the $5 starter credit (add a card; nothing charged until you top up).
- Create an instance from a harness template (Hermes, OpenClaw, Claude Code, Codex) or your own Docker image.
- Connect the tools and credentials that agent needs, kept in that sandbox only.
- Send work through the dashboard or Agent API; let idle instances auto-sleep to save compute.
Based on the official docs: www.agent37.com/docs/agents-api/billing. Steps can change, so check there for the latest.
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