Name

Lowercase letters, numbers and hyphens only — this becomes the filename.

Description

What Claude reads to decide when to invoke this subagent on its own — be specific about the trigger, not just the topic.

Model Inherit from parent conversation Sonnet Opus Haiku

Leave narrow for single-purpose subagents — a reviewer only needs to read, not edit or run commands.

Your MCP tools (optional)

Not auto-discoverable from any config file — type the exact tool name each MCP server exposes.

System prompt

Becomes the body of the file — the instructions this subagent follows once launched.