Notes on building software.

A personal blog of technical articles about software development.

Checking Costs and Usage with /usage

September 9, 2026· 2 min read·claude-codeslash-commandsproductivitycli

See how much you're using and spending in a session with the /usage command.

Resuming Past Sessions with /resume and --continue

September 9, 2026· 2 min read·claude-codeslash-commandscliproductivity

Pick up right where you left off using /resume in-session or the continue and resume flags from the shell.

Writing Your First Custom Slash Command

September 9, 2026· 2 min read·claude-codeslash-commandsproductivitycli

Turn a prompt you type over and over into a reusable slash command with a single Markdown file.

Passing Arguments to Custom Commands with $ARGUMENTS

September 9, 2026· 2 min read·claude-codeslash-commandsproductivitycli

Make custom commands flexible by feeding them input through $ARGUMENTS or positional $1, $2 slots.

Organizing Project vs Personal Commands

September 9, 2026· 2 min read·claude-codeslash-commandsproductivitycli

Decide whether a custom command belongs to the whole team or just to you, and store it accordingly.

Ten Slash Commands You'll Use Every Day

September 9, 2026· 2 min read·claude-codeslash-commandsproductivitycli

A short, practical shortlist of the slash commands worth building into your daily muscle memory.