Job
Host my AI agent in a cloud sandbox
Keep a coding or personal agent running in its own low-cost sandbox with files, browser and sleep/wake.
Compare the agents with verified prices: best AI agent to host my AI agent in a cloud sandbox
Agents that can do it
| Agent | What it does | What it costs | Free plan |
|---|---|---|---|
| Agent 37 | Host coding and personal agents in low-cost persistent cloud sandboxes with browser, files and sleep/wake | $5 free credit; then prepaid metered compute (per-minute shapes on billing docs)Verified on the vendor's page, Oct 15, 2026 | Yes |
| Capsem | Run coding agents inside air-gapped Linux VMs so you can watch and control what they touch | Price not confirmed | Not confirmed |
| OpenComputerUse | Let any MCP agent control apps in the background (click, type, screenshots, UI tree) without stealing your pointer | Free (MIT); bring your own agent/clientVerified on the vendor's page, Oct 15, 2026 | Yes |
| Docker Agent | Build and run your own AI agents with Docker | Free (open source, Apache-2.0)Verified on the vendor's page, Oct 14, 2026 | Yes |
| Cua | Open-source drivers and fleets that let agents use real computers across operating systems; released the CUA-S1 computer-use model | Free (open source, MIT)Verified on the vendor's page, Oct 14, 2026 | Yes |
| Merlin | Dispatch Claude Code and Codex from Slack, Linear and GitHub onto your team’s machines with shared skills | $0 forever (up to 5 users, 1,000 requests/mo); Team $59/workspace/mo; Scale $99/workspace/moVerified on the vendor's page, Oct 15, 2026 | Yes |
| Busabase | Give people and agents one shared base for data, docs, skills and apps so agent work compounds | Cloud Free $0; Plus $10/seat/mo; Pro $20/seat/mo (annual billing listed on site)Verified on the vendor's page, Oct 15, 2026 | Yes |
| Instabox | Spin up a cloud Linux box for your coding agent in under a second, with built-in computer use, snapshots and public URLs | Price not confirmed | Not confirmed |
| Buddy AI Sandboxes | Give coding agents their own isolated Linux VMs (sudo, 50 GB persistent disk, public HTTPS endpoints) to build, run, test and fix apps | Free €0; Pro €29/mo; Hyper €99/mo; sandbox overage $0.00024/CPU-minVerified on the vendor's page, Oct 15, 2026 | Yes |
| Atomic Bot | Run OpenClaw, Hermes, Codex, OpenCode and other agents in the cloud so they keep working when your laptop sleeps | Base $19/mo; Pro $39/mo; Max $79/mo (each includes $5/$10/$20 AI usage)Verified on the vendor's page, Oct 15, 2026 | No |
Example instructions to give an agent
Fill in the brackets, then paste it as one task.
Job: host my AI agent safely and cheaply. Agent I use: [Claude Code / Hermes / OpenClaw / Codex / other] What it should access: [repos, browser, which credentials] What it must never do without me: [push, spend, email, delete] 1. Pick a sandbox: Agent 37 cloud instance, Capsem local VM, or my own Docker host. 2. Install only the harness and tools I listed. Keep each customer or project in a separate sandbox if I said so. 3. Turn on auto-sleep or shut down when idle so I am not paying for idle CPUs. 4. Wire approvals: anything that sends, pays, or pushes waits for me. 5. Give me: URL or SSH how to reach it, monthly cost estimate, and a one-page "how to stop it" note. Rules: never put production secrets in a shared sandbox. Never skip approval on spend or outbound messages.
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