GitHub Actions Workflow YAML Validator (Quick Lint)

A fast structural lint for GitHub Actions YAML - catch the obvious mistakes before a failed run burns minutes.

Paste your workflow below. This is a lightweight client-side lint (not a full YAML parser) that flags the most common GitHub Actions structural mistakes.

Paste your workflow YAML

What it checks

Tabs in indentation (YAML requires spaces).
Missing top-level on: trigger or jobs: block.
Jobs missing runs-on:.
Empty uses: values.

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