> ## Documentation Index
> Fetch the complete documentation index at: https://docs.praison.ai/llms.txt
> Use this file to discover all available pages before exploring further.

# LangSmith CLI

> CLI commands for LangSmith observability

# LangSmith CLI Commands

## Environment Setup

```bash theme={"theme":{"light":"vitesse-light","dark":"vitesse-dark"}}
export LANGCHAIN_API_KEY=...
```

## Commands

```bash theme={"theme":{"light":"vitesse-light","dark":"vitesse-dark"}}
praisonai-ts observability doctor langsmith
praisonai-ts observability doctor langsmith --json
praisonai-ts observability test langsmith
```

## Related

* [LangSmith Code Usage](/docs/js/observability/langsmith-code)