Source record

Published by LangChain Blog (T1.5 source). The original is at https://www.langchain.com/blog/running-untrusted-agent-code-without-a-sandbox.

Pipeline notes

The summary and note below are generated by the signal pipeline — they are Beyond Desk’s reading, not quotations from the source.

LangChain describes using WASM with QuickJS as an in-process isolation alternative to full sandboxes for running agent-written code, applying least-privilege capabilities and snapshot-based durable pauses to constrain untrusted code generated under prompt-injection risk.

Concrete WASM-based isolation pattern for agent code execution, with explicit design requirements, directly relevant to anyone building agents that run generated scripts.

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