It'd be better to have one entry_point command with multiple subcommands like:
Usage:
crossplane <command> [options]
Commands:
parse Build an JSON payload for an NGINX config.
lex Lexes tokens of an NGINX config file.
minify Condense an NGINX config file.
format Reformat an NGINX config file.
help Show help for commands.
It'd be better to have one entry_point command with multiple subcommands like: