sandbox-runtime

by anthropics · Web

A lightweight sandboxing tool for enforcing filesystem and network restrictions on arbitrary processes at the OS level,

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About this project

Anthropic Sandbox Runtime (srt) A lightweight sandboxing tool for enforcing filesystem and network restrictions on arbitrary processes at the OS level, without requiring a container. srt uses native OS sandboxing primitives (sandbox-exec on macOS, bubblewrap on Linux) and proxy-based network filtering. It can be used to sandbox the behaviour of agents, local MCP servers, bash commands and arbitrary processes. Beta Research Preview The Sandbox Runtime is a research preview developed for Claude Code to enable safer AI agents. It's being made available as an early open source preview to help the broader ecosystem build more secure agentic systems. As this is an early research preview,…

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Project health

Actively maintained
Last updateyesterday
Contributors33
Latest releasev0.0.75
Open issues & PRs186
LicenseApache-2.0
On GitHubsince 2025

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