ansible-doc

Display information on modules installed in Ansible libraries. Display a terse listing of plugins and their short descriptions. More information: https://docs.ansible.com/ansible/latest/cli/ansible-doc.html.

ansible-doc --list

ansible-doc --type become|cache|callback|cliconf|connection|... --list

ansible-doc plugin_name

ansible-doc --type become|cache|callback|cliconf|connection|... plugin_name

ansible-doc --snippet plugin_name

ansible-doc --json plugin_name