Install Vale, create a small configuration and one original rule, then check a sample document. A rule match points to wording for review; it is not a factual verification result.
In this guide
Install the CLI for your platform
Use the official installation page for Windows, macOS, or Linux. Open a terminal after setup and check that the Vale command is available. Create a new practice folder for the files below.
vale --version
Create .vale.ini in the practice folder
This configuration uses an original Example style. Save the following as .vale.ini, not as a Markdown document.
StylesPath = styles MinAlertLevel = warning [*.md] BasedOnStyles = Example
Create styles/Example/Claims.yml
Make the styles and Example folders, then save this rule as Claims.yml inside Example. It flags the word guaranteed for an editor to check.
extends: existence message: "Check the evidence and conditions behind '%s'." level: warning ignorecase: true tokens: - guaranteed
Create sample.md and run the check
Save the deliberately unsupported practice sentence below in sample.md. It exists to exercise your original style rule, not to supply approved product copy.
- Treat this as a rule-loading exercise, not an approved product claim.
- If no match appears, check file names, the StylesPath, and BasedOnStyles.
- Review the actual evidence separately; a clean style report cannot establish a claim's truth.
# Practice draft This product is guaranteed to improve sales.
Run Vale from the practice folder
Open a terminal in the folder containing .vale.ini and run the command below. Inspect the result for the original Example rule.
vale sample.md
Add rules only when the editorial decision is clear
Keep examples that should match and examples that should not. Review unexpected findings before applying the rule across a folder. Save the configuration and style files with the team workflow.
References
Use it in a task
AI Product Description Workflow for Store Owners: Research, Write, Review
Continue the task
Apply style rules after the facts and product conditions have been checked; these writing tasks need both kinds of review.