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A JSON Schema CLI and pre-commit hook built on jsonschema. The schema may be specified as a local or remote (HTTP or HTTPS) file.

Remote files are automatically downloaded and cached if possible.

check-jsonschema can be installed and run as a CLI tool, or via pre-commit.

The following configuration uses check-jsonschema to validate Github Workflow files.

- repo: https://github.com/python-jsonschema/check-jsonschema
 rev: 0.37.3
 hooks:
 - id: check-github-workflows
 args: ["--verbose"]

Install with pipx or brew:

pipx install check-jsonschema

or

brew install check-jsonschema

Then run, as in

check-jsonschema --schemafile schema.json instance.json

Full documentation can be found at https://check-jsonschema.readthedocs.io/