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Custom slash commands turn repeatable prompts or setup steps into /shortcuts. Droid scans a pair of .factory/commands folders, turns each file into a command, and pipes the result straight into the conversation or your terminal session.

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1 · Discovery & naming

ScopeLocationPurpose
Workspace<repo>/.factory/commandsProject-specific commands shared with teammates. Overrides any personal command with the same slug.
Personal~/.factory/commandsAlways scanned. Stores private or cross-project shortcuts.
  • Only Markdown (*.md) files and files with a leading shebang (#!) are registered.
  • Filenames are slugged (lowercase, spaces → -, non URL-safe characters dropped). Code Review.mdx becomes /code-review.
  • Invoke commands from chat with /command-name optional arguments. Slash suggestions use the description pulled from the file.
  • Run /commands to open the Custom Commands manager UI for browsing, reloading (R), or importing commands.
  • Commands must live at the top level of the commands directory. Nested folders are ignored today.

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2 · Markdown commands

Markdown files render into a system notification that seeds droid’s next turn. Optional YAML frontmatter controls autocomplete metadata. 
---
description: Send a code review checklist
argument-hint: <branch-name>
---

Please review `$ARGUMENTS` and summarize any merge blockers, test gaps, and risky areas.

- Highlight security or performance concerns
- Suggest follow-up tasks with owners
- List files that need attention
Frontmatter keyPurpose
descriptionOverrides the generated summary shown in slash suggestions.
argument-hintAppends inline usage hints (e.g., /code-review <branch-name>).
allowed-toolsReserved for future use. Safe to omit.
$ARGUMENTS expands to everything typed after the command name. If you do not reference $ARGUMENTS, the body is sent unchanged.
Markdown output is wrapped in a system notification so the next agent turn immediately sees the prompt.
Positional placeholders like $1 or $2 are not supported yet—use $ARGUMENTS and parse inside the prompt if you need structured input.

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3 · Executable commands

Executable files must start with a valid shebang so the CLI can call the interpreter. 
#!/usr/bin/env bash
set -euo pipefail

echo "Preparing $1"
npm install
npm run lint
echo "Ready to deploy $1"
  • The executable receives the command arguments (/deploy feature/login → $1=feature/login).
  • Scripts run from the current working directory and inherit your environment, so they have the same permissions you do.
  • Stdout and stderr (up to 64 KB) plus the script contents are posted back to the chat transcript for transparency. Failures still surface their logs.

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4 · Managing commands

  • Edit or add files directly in .factory/commands. The CLI rescans on launch; press R inside /commands to reload without restarting.
  • Import existing .agents or .claude commands: open /commands, press I, select entries, and they copy into your Factory directory.
  • Remove a command by deleting its file. Since workspace commands win precedence, deleting the repo version reveals the personal fallback if one exists.

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5 · Usage patterns

  • Keep project workflows under version control inside the repo’s .factory/commands so teammates share the same shortcuts.
  • Build idempotent scripts that are safe to rerun; document any cleanup steps in the file itself.
  • Use Markdown templates for checklists, code review rubrics, onboarding instructions, or context packets you frequently provide to droid.
  • Review executable commands like any other source code—treat secrets carefully and prefer referencing environment variables already loaded in your shell.

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6 · Examples

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Code review rubric (Markdown)

---
description: Ask droid for a structured code review
argument-hint: <branch-or-PR>
---

Review `$ARGUMENTS` and respond with:

1. **Summary** – What changed and why it matters.
2. **Correctness** – Tests, edge cases, and regressions to check.
3. **Risks** – Security, performance, or migration concerns.
4. **Follow-up** – Concrete TODOs for the author.

Include file paths alongside any specific feedback.
Invoke with /review feature/login-flow to seed droid with a consistent checklist before it inspects the diff.

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Daily standup helper (Markdown)

---
description: Summarize progress for standup
---

Draft a standup update using:

- **Yesterday:** Key wins, merged PRs, or blockers cleared.
- **Today:** Planned work items and their goals.
- **Risks:** Anything at risk of slipping, support needed, or cross-team dependencies.

Keep it to three short bullet sections.
Use /standup after droid reviews your git history or TODO list to generate a polished update.

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Regression smoke test (Executable)

#!/usr/bin/env bash
set -euo pipefail

target=${1:-"src"}

echo "Running lint + unit tests for $target"
npm run lint -- "$target"
npm test -- --runTestsByPath "$target"

echo "Collecting git status"
git status --short

echo "Done"
Saved as smoke.sh, this shows up as /smoke. Pass a path (/smoke src/widgets/__tests__/widget.test.tsx) to constrain the checks and share the aggregated output with everyone on the thread. Once set up, custom slash commands compress multi-step prompts or environment setup into a single keystroke, keeping your focus on guiding droid instead of repeating boilerplate.