Lead · Prompt Examples
If a tutorial's example command still shows a /project: prefix, that tutorial has already fallen behind the current official syntax.
Ryan Castillo
·
September 05, 2026
Search "how to write a custom slash command in Claude Code" and you'll find plenty of tutorials — but some of them show the /project:command_name style with a namespace prefix, which is no longer the recommended approach in current official documentation. This piece walks through the complete process using today's official standard: creating the directory, writing the file, and actually...