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Mostly Right CLI

Browse datasets built by the community, or create your own with agents that find sources and configure the pipeline. Use mostlyright-data to work with hosted research and dataset runs.

Requirements

Section titled “Requirements”

Use CPython 3.13.

Install

Section titled “Install”
Terminal window
python -m pip install mostlyright-data

The default install uses the hosted service. It works on Linux, macOS, and Windows.

Sign in

Section titled “Sign in”
Terminal window
mr-data login
mr-data whoami

login stores a device key on this machine. whoami checks the stored key.

Check the command

Section titled “Check the command”
Terminal window
mr-data --help
mr-data --version

Use mr-data research-open, mr-data research-status, and mr-data research-close to work with a hosted research session. research-status shows its current state.

Local execution

Section titled “Local execution”

The local execution lane runs only on Linux:

Terminal window
python -m pip install "mostlyright-data[local]"

It builds and checks worker inputs. It is not required to use the hosted CLI.

Section titled “Related documentation”