
4/15/2026 · Jack Wotherspoon, Abhi Patel
What this post added
Introduced subagents to Gemini CLI, allowing for delegation of complex tasks to specialized agents with isolated context windows, system instructions, and tools. Enabled custom subagent creation via Markdown files and bundling as extensions. Introduced parallel execution of subagents. Added built-in subagents: generalist, cli_help, and codebase_investigator. Introduced explicit task delegation using the @agent syntax.