Discover the new Plan Mode in Gemini CLI, a read-only environment designed for safe codebase analysis and architectural mapping. This update introduces the ask_user tool and MCP integration, allowing you to collaborate with AI to build robust strategies before executing a single line of code.

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Gemini CLI now ships with a plan mode — a read-only environment that lets the AI analyze codebases, map dependencies, and draft architectural strategies without making any file changes. Key additions include the ask_user tool for bi-directional clarification, read-only MCP tool support for pulling context from external sources like GitHub or Postgres, and automatic routing to higher-reasoning Pro models during planning. Plan mode is enabled by default and can be activated via /plan, Shift+Tab, or natural language. The Conductor extension demonstrates how plan mode can power exhaustive pre-flight checks and multi-step planning workflows, with plans to bring it in as a built-in mode.

Plan mode is now available in Gemini CLI

Better collaboration with the ask_user tool

Powering complex workflows with Conductor