Claude Code Templates
Starter templates for building Claude Code extensions.
Template Selection
| Building | Template | Key Features |
|---|---|---|
| Expert persona | agent-template.md | Focus areas, quality checklist, references |
| Tool capability | skill-template.md | Commands, examples, triggers |
| User workflow | command-template.md | Execution flow, options |
| Automation | hook-script.sh | Input parsing, exit codes |
Quick Start
Create an Agent
# Copy template
cp ~/.claude/skills/claude-code-templates/assets/agent-template.md \
~/.claude/agents/my-expert.md
# Edit: name, description, focus areas, references
Create a Skill
# Create skill directory
mkdir -p ~/.claude/skills/my-skill
# Copy template
cp ~/.claude/skills/claude-code-templates/assets/skill-template.md \
~/.claude/skills/my-skill/SKILL.md
# Edit: name, description, commands, examples
Create a Command
# Copy template
cp ~/.claude/skills/claude-code-templates/assets/command-template.md \
~/.claude/commands/my-command.md
# Edit: name, description, execution flow
Create a Hook Script
# Copy template
cp ~/.claude/skills/claude-code-templates/assets/hook-script.sh \
.claude/hooks/my-hook.sh
# Make executable
chmod +x .claude/hooks/my-hook.sh
Template Locations
Templates are in ./assets/:
| File | Purpose |
|---|---|
agent-template.md | Expert agent boilerplate |
skill-template.md | Skill with YAML frontmatter |
command-template.md | Slash command scaffold |
hook-script.sh | Secure hook script template |
Naming Conventions
| Type | Pattern | Example |
|---|---|---|
| Agent | {technology}-expert.md | react-expert.md |
| Skill | {tool-or-pattern}/SKILL.md | git-workflow/SKILL.md |
| Command | {action}.md | review.md |
| Hook | {event}-{action}.sh | pre-write-validate.sh |
Validation
# Validate YAML frontmatter
head -20 my-extension.md
# Check name matches filename
grep "^name:" my-extension.md
# Run project tests
just test
Official Documentation
- https://code.claude.com/docs/en/skills - Skills reference
- https://code.claude.com/docs/en/sub-agents - Custom subagents
- https://code.claude.com/docs/en/hooks - Hooks reference
- https://agentskills.io/specification - Agent Skills open standard
Assets
./assets/agent-template.md- Expert agent scaffold./assets/skill-template.md- Skill with references pattern./assets/command-template.md- Slash command scaffold./assets/hook-script.sh- Secure bash hook template
See Also: claude-code-debug for troubleshooting extensions