Claude Code sub-agents let you spawn specialized AI workers in parallel. This 2026 guide shows how to create custom sub-agents and multiply your productivity.
Ready-to-Use Prompts
1 Create Your First Sub-Agent
Walk me through creating a code-reviewer sub-agent in Claude Code. Cover: definition file, system prompt, tools allowed, model selection.
2 Parallel Research Workflow
Set up 3 sub-agents to research a topic in parallel: web-searcher, code-explorer, doc-reader.
3 Specialized Test Writer
Create a sub-agent specifically for writing comprehensive tests with edge cases.
4 Security Auditor Agent
Build a security-focused sub-agent that reviews code for vulnerabilities.
5 Plan vs Execute Sub-Agents
Create separate planner and executor sub-agents that coordinate.
6 When NOT to Use Sub-Agents
Explain anti-patterns: simple tasks, sequential dependencies, context overhead.
Frequently Asked Questions
What are Claude sub-agents?
Specialized AI workers Claude can spawn to handle specific tasks in parallel.
Do sub-agents cost extra tokens?
Yes, each sub-agent uses its own context.
Best plan for multi-agent workflows?
Claude Max or API for higher rate limits.
Conclusion
Claude AI is a partner that multiplies your output. Apply one prompt today and feel the difference.