okf toc
usage: okf toc [-h] [--level LEVEL] [--json] path
print a concept's headings (default: h2 only)
positional arguments: path <bundle>/<concept-id> to list headings for
options: -h, --help show this help message and exit --level LEVEL heading level to list (default 2 = h2); 0 = full indented tree --json print one JSON envelope {command, ok, data, warnings, error}