Capabilities

Capabilities give you a cross-platform view of runtime behavior after you already know which delivery lane you are designing for.

• Open this area when you care about the behavior itself, not only the platform name.

• This is the better entry point when you compare similar behavior across Claude and Codex.

• config_change

• gemini_after_agent

• gemini_after_model

• gemini_after_tool

• gemini_before_agent

• gemini_before_model

• gemini_before_tool

• gemini_before_tool_selection

• gemini_session_end

• gemini_session_start

• notify

• permission_request

• post_tool

• post_tool_failure

• pre_compact

• prompt_submit_gate

• session_end

• session_start

• setup

• stop_gate

• subagent_start

• subagent_stop

• task_completed

• teammate_idle

• tool_gate

• worktree_create

• worktree_remove