5h ago

LangSmith Sandboxes Reach General Availability with Secure MicroVM Isolation

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Original post
Harrison Chase#739@HWCHASE17OPLangChainLangChain@LANGCHAIN

A TLDR on LangSmith Sandboxes: ✅ Hardware-virtualized microVM ✅ Kernel-isolated from your services + other sandboxes. ✅ Same SDK and API key as the rest of LangSmith ✅ Any framework or custom code ✅ Now GA https://www.langchain.com/blog/langsmith-sandboxes-generally-available

6:08 AM · May 28, 2026 View on X
QUOTE POSTHarrison Chase#739Harrison Chase@HWCHASE17

a hot (cold at this point?) take that lead us to build this:

every agent in the future will need a sandbox to connect to

writing/executing code is not just for coding agents! is useful for all sorts of tasks

LangChainLangChain@LangChain

A TLDR on LangSmith Sandboxes: ✅ Hardware-virtualized microVM ✅ Kernel-isolated from your services + other sandboxes. ✅ Same SDK and API key as the rest of LangSmith ✅ Any framework or custom code ✅ Now GA https://www.langchain.com/blog/langsmith-sandboxes-generally-available

1:08 PM · May 28, 2026 · 7.9K Views
2:10 PM · May 28, 2026 · 5.2K Views