Software Engineer

1. Onboarding asks a few questions to learn your repositories, workflow, coding preferences, verification commands, and handoff expectations

2. Connect GitHub so the sandbox can clone repositories, push branches, and open pull requests

3. Connect Slack and register the Slackbot trigger so the agent can respond where it was mentioned

4. Connect Linear so the agent can read issues and post progress updates

5. Each conversation gets a fresh thread-scoped sandbox for code changes and targeted verification

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Where is my data stored?

LangSmith cloud stores data in secure infrastructure. When using LangSmith hosted at smith.langchain.com, data is stored in GCP us-central-1. If you’re on the Enterprise plan, we can deliver LangSmith to run on your kubernetes cluster in AWS, GCP, or Azure so that data never leaves your environment. For more information, check out our documentation. For teams with compliance requirements, self-hosted and BYOC options let you control where your data lives.

Can I self-host LangSmith Fleet?

Yes, we allow customers to self-host Fleet on our enterprise plan. We deliver the software to run on your Kubernetes cluster, and data will not leave your environment. For more information, check out our documentation.

Are agent tools included with Fleet pricing?

Fleet includes built-in tools and supports connecting third-party tools via a remote MCP server. Third-party tools typically require you to authenticate with your account, and any fees or usage charges are billed by the third-party provider. More information on setting up tool keys in our docs.

Do I need LangChain or LangGraph to use sandboxes?

No. Sandboxes are framework agnostic. They work with the Python and TypeScript LangSmith SDKs and integrate with Deep Agents, but you can use them with any framework or none at all. Learn about LangSmith Sandbox SDK.

Why might I want to upgrade a base trace to an extended trace?

Base traces are short-lived (14-day retention) and ideal for quick debugging or ad-hoc analysis. They’re priced for volume and short-term utility.

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Extended traces, on the other hand, are retained for 400 days and often include valuable feedback—whether from users, evaluators, or human labelers. This feedback makes them essential for ongoing improvement and model tuning (higher utility), which comes with a higher price point.

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LangSmith lets you choose the right retention for each trace, helping you balance cost and value.

Ready to turn your idea into an agent?

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