Best Sandbox AI tools
Isolated environments for running code or test transactions without real-world side effects. The 15 highest-ranked of the 18 apps tagged Sandbox in the Onei AI catalogue.
Everything tagged Sandbox: apps, skills and MCP servers
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Cloudflare
Open-source AI workspace you deploy into your own Cloudflare account: agent chat wired to company context, sandboxed app building, and policy guardrails.
Also: Enterprise, Open Source, Self-Hosted · Editor's pick
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Manus AI
A general autonomous AI agent that executes multi-step tasks end to end in its own cloud environment.
Editor's pick
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Osaurus, Inc.
Native macOS harness for AI agents — any model, persistent memory, sandboxed execution and cryptographic identity, fully offline and open source.
Also: Open Source · Editor's pick
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Run agent evals and private benchmarks in sandboxed cloud environments — compare Claude Code, Codex, Cursor and Copilot on the same real tasks.
Also: Coding Agent, Developers · Editor's pick
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All Hands AI
OpenHands — the leading open-source coding agent platform, self-hostable or run in the cloud.
Also: Coding Agent, Developers, Open Source · Editor's pick
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AI code review that builds and runs your app on every pull request, then attaches a failing test, video and repro steps to each bug it finds.
Editor's pick
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A single platform for building internal AI agents and multi-step agent systems, with memory, sandboxed compute, durable workflows, human approvals and 1,000+ integrations.
Also: Enterprise · Editor's pick
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Open-source, sandboxed AI agents for every employee, fronted by a gateway that injects scoped credentials so the agent never holds a password.
Also: Enterprise, Open Source · Editor's pick
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Cua AI, Inc.
Open-source computer-use infrastructure: a desktop driver, cloud desktop fleets, local macOS VMs and a benchmark for agents that click.
Also: Agents, Open Source
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Gives agents secure, authenticated access to 1,500+ SaaS apps — managed OAuth, a tool router that filters the catalogue, and sandboxed execution.
Also: Agents
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Open-source, self-hostable managed agent platform: run durable AI agents on any model and any machine through one API, CLI and SDK.
Also: Agents, Open Source, Self-Hosted
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Microsoft
Microsoft's open-source, policy-driven sandbox SDK for running agents, model-generated code, tools and plugins with only the files and network access you grant.
Also: Agents, Open Source
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An agent-native cloud computer that pairs 20+ frontier models with skills, connectors, email and scheduled automations in one sandbox.
Also: Agents
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Digger
Write an agent as a TypeScript function and deploy it in seconds onto KVM-isolated Linux microVMs, with the loop, sessions, streaming and versioning managed for you.
Also: Agents, Developers
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Bruin Data Limited
Run Claude Code, Codex or OpenCode in the cloud from a single HTTP call — no SDK, no daemon, no infrastructure on your side.
Also: Coding Agent, Developers
How this list is ranked
Ranked by editorial weight (0–100), plus 5 points per bookmark up to 10, plus or minus up to 20 for the average review rating; ties go to featured apps, then the most recently updated. Discontinued apps are never ranked.