Read-only mode

GOAL: Activate read-only mode by creating the .gemini_readonly marker file.

WHEN: Invoke this skill when you need to ensure no further write operations occur in the current session or when explicitly requested by the user.

NOTE: This skill creates a file that whitelisted hooks use to block write-capable tools.

Efficiency directives

• Optimize all operations for agent, token, and context efficiency
• Target only relevant files
• Don't use your task management system for this skill
• Don't perform a vibe check for this skill