Anthropic sandbox-runtime (srt) is the open-source, OS-level sandbox behind Claude Code. It restricts file and network access for agents, MCP servers and CLI tools with Seatbelt on macOS and bubblewrap on Linux, no containers needed
Meet Anthropic's sandbox-runtime: OS-Level Sandboxing for AI Agents, No Containers
Anthropic sandbox-runtime (srt) is the open-source, OS-level sandbox behind Claude Code. It restricts file and network access for agents, MCP servers and CLI tools with Seatbelt on macOS and bubblewrap on Linux, no containers needed
M
Asif Razzaq · via MarkTechPost
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Saturday, October 24, 2026
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Original reporting by MarkTechPost
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“Meet Anthropic's sandbox-runtime: OS-Level Sandboxing for AI Agents, No Containers”
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