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Use this page when a teammate needs a reliable local setup before running the quickstart or writing SDK code.

Pick Your Shell

macOS Or Linux: bash/zsh

macOS Or Linux: fish

Windows: PowerShell

If activation is blocked in the current PowerShell process:

Windows: cmd

uv

On Windows PowerShell with uv, activate with:

Save Credentials Once

Use auth login for local development so you do not need to copy environment variables between shell tabs:
The CLI prompts for the API key and stores it in local Nullspace config. For automation, CI, or agents that inherit environment variables, set:

Verify

If doctor cannot find credentials, check the active shell first. Virtual environment activation and exported environment variables only apply to the terminal session where you ran them.

Next Steps