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Using proxies to hide secrets from Claude Code


Sandboxing agentic coding tools is a networking problem Allowlisting commands on a trusted host for an agentic coding tool can be somewhat fraught. Taking inspiration from Simon Willison: Sandboxes help us reason about their relation to the lethal trifecta: - What untrusted content is the sandbox exposed to? - How can they externally communicate? - What sensitive data are we providing to the sandbox? Anthropic provides several sandboxing tools specific to Claude Code: Cursor also has a similar sandboxing feature for Mac users that uses sandbox-exec under the hood for the Cursor IDE.

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