Plan Mode in Gemini CLI

Gemini CLI has introduced an exciting new feature: Plan Mode. This tool is designed to help developers safely analyze and plan changes before making any edits to their code. By focusing on understanding requests, mapping dependencies, and planning complex changes, Plan Mode ensures a safe, read-only environment. As a result, developers can work without the risk of accidental modifications or executions.

Takeaways 🚀
✅Safe, read-only code exploration
✅Analyze and plan complex changes
✅Collaborate using ask_user tool
✅Integrate external data seamlessly
✅Simplify workflows with Conductor extension

What is Plan Mode?

Plan Mode is a read-only feature that limits Gemini CLI to non-destructive tools. In other words, it allows developers to explore their codebase, search for patterns, and review documentation without altering any files. Therefore, it is perfect for tasks like planning database migrations or designing new features.

Here are the key benefits of Plan Mode:

• Safe Exploration: You can use tools like read_file and grep_search to validate assumptions without making changes.
• Architectural Mapping: Specialized sub-agents analyze system dependencies and workflows, making it easier to understand complex systems.
• Iterative Design: You can refine strategies through conversations before moving to implementation, ensuring better results.
• Customizable: Plan Mode allows you to build custom policies and workflows to suit your specific needs.

Collaborate Better with the ask_user Tool

To make planning even more effective, Gemini CLI introduces the ask_user tool. This tool allows the system to pause and ask targeted questions, which ensures clarity and alignment with your goals. For example, it can confirm architectural choices or locate configuration files. As a result, this two-way communication helps create plans that meet your expectations.

Use Read-Only MCP Tools for More Context

In addition to local files, Plan Mode works seamlessly with read-only MCP tools. This means you can pull data from external sources like GitHub, Postgres, or Google Docs. Consequently, your plans become more informed and comprehensive, as they include all relevant context.

Simplify Complex Workflows with Conductor

For more complex projects, the Conductor extension takes Plan Mode to the next level. It helps manage multi-step development processes with ease. For instance, Conductor performs pre-flight checks, gathers context, and confirms decisions using the ask_user tool. This keeps you in control while the system handles the heavy lifting.

Moreover, Conductor is highly extensible, allowing you to build custom workflows for your unique needs. This makes it an excellent choice for developers tackling intricate projects.

How to Get Started

Getting started with Plan Mode is simple. It is enabled by default, so you can activate it by typing /plan or adjusting your settings to start sessions in Plan Mode. However, if you prefer a different workflow, you can easily disable it in the settings.

Why Use Plan Mode?

In conclusion, Plan Mode offers a safe and structured way to plan complex changes. It helps you analyze, collaborate, and make informed decisions before editing your code. As a result, it reduces risks, improves efficiency, and ensures better outcomes.