Reviews are nothing without some rules or standards against which to review. ansible-later comes with a couple of built-in checks explained in the following table.
| check_native_yaml | LINT0008 | Use YAML format for tasks and handlers rather than key=value. | |
| check_yaml_document_end | LINT0009 | YAML should contain document end marker. | {document-end: {present: true}} |
| check_line_between_tasks | ANSIBLE0001 | Single tasks should be separated by an empty line. | |
| check_meta_main | ANSIBLE0002 | Meta file should contain a basic subset of parameters. | author, description, min_ansible_version, platforms, dependencies |
| check_unique_named_task | ANSIBLE0003 | Tasks and handlers must be uniquely named within a file. | |
| check_braces | ANSIBLE0004 | YAML should use consitent number of spaces around variables. | |
| check_scm_in_src | ANSIBLE0005 | Use scm key rather than src: scm+url in requirements file. | |
| check_named_task | ANSIBLE0006 | Tasks and handlers must be named. | excludes: meta, debug, include\_\*, import\_\*, block |
| check_name_format | ANSIBLE0007 | Name of tasks and handlers must be formatted. | formats: first letter capital |
| check_command_instead_of_module | ANSIBLE0008 | Commands should not be used in place of modules. | |
| check_install_use_latest | ANSIBLE0009 | Package managers should not install with state=latest. | |
| check_shell_instead_command | ANSIBLE0010 | Use Shell only when piping, redirecting or chaining commands. | |
| check_command_has_changes | ANSIBLE0011 | Commands should be idempotent and only used with some checks. | |
| check_empty_string_compare | ANSIBLE0012 | Don't compare to "" - use `when: var` or `when: not var`. | |
| check_compare_to_literal_bool | ANSIBLE0013 | Don't compare to True/False - use `when: var` or `when: not var`. | |
| check_literal_bool_format | ANSIBLE0014 | Literal bools should be written as `True/False` or `yes/no`. | forbidden values are `true false TRUE FALSE Yes No YES NO` |
| check_become_user | ANSIBLE0015 | `become` should be always used combined with `become_user`. | |
| check_filter_separation | ANSIBLE0016 | Jinja2 filters should be separated with spaces. | |