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Create user-accessible slash commands that streamline workflows.

Command Fundamentals

Location

Commands MAY also be defined inline in opencode.json:

{
  "command": {
    "my-command": {
      "template": "Do the thing with $ARGUMENTS",
      "description": "One-line description"
    }
  }
}

Frontmatter Options

Template Placeholders

Command Patterns

Simple Command

---
description: Run all tests with coverage
---

Run tests with coverage reporting:
\`!npm run test:coverage\`

Agent-Routed Command

---
description: Research a topic without modifying files
agent: explore
---

Research the following topic thoroughly, gathering context from the codebase and web:

$ARGUMENTS

Workflow Command with Arguments

---
description: Create a new component with tests
---

Create a new React component named "$1" in the $2 directory.

Requirements:
1. Component file with TypeScript
2. Test file with basic render test
3. Index export

Use the existing patterns from @src/components/Button/index.tsx

Background Task Command

---
description: Deep research task (runs in background)
subtask: true
agent: explore
---

Perform comprehensive research on: $ARGUMENTS

Return findings in a structured report.

Best Practices

MUST

• Keep descriptions under 80 characters
• Use agent: explore or agent: plan for read-only operations
• Use subtask: true for long-running operations
• Include example arguments in the description when helpful
• Use @file to inject context from existing code

MUST NOT

• Create commands that duplicate existing tools
• Use commands for one-off tasks (just ask directly)
• Forget to test with opencode run "test" after changes
• Route to agents that don't exist

Command vs Direct Request

Commands are USER shortcuts. Use them when:

• You repeat the same request pattern frequently
• You want consistent agent/model routing
• You need to inject file context or shell output

For one-off tasks, just ask Claude directly.

Validation

After creating a command:

opencode run "test"

Then test with:

/your-command test arguments