How do I replicate the 'Explanatory' mode now?

You can now install the 'explanatory-output-style' plugin from the marketplace or use SessionStart hooks to add educational context to your session.

How does this differ from using a CLAUDE.md file?

While CLAUDE.md provides project-specific context, Output Styles (now Plugins) allow for deeper modification of Claude's core behavioral logic and interaction style.

What happened to Claude Code Output Styles?

Output styles were deprecated on November 5, 2025, and have been automatically converted into the plugin system for better flexibility and power.

What is the best alternative for custom system prompts?

Plugins are the primary replacement, but you can also use Subagents for task-specific assistants or '--append-system-prompt' for session-specific instructions.

Claude Code Output Styles Migration

Name: Claude Code Output Styles Migration
Author: reggiechan74

byreggiechan74

学習とドキュメンテーション

Provides guidance and migration paths for transitioning from deprecated Claude Code output styles to modern plugin-based customizations.

概要

This skill acts as a comprehensive reference and bridge for users of the legacy Output Styles feature in Claude Code. It details the history of specialized modes like 'Explanatory' and 'Learning'—which once allowed users to customize the system prompt for educational or collaborative purposes—and provides clear instructions on how to replicate these behaviors using contemporary features. Users will find actionable paths to migrate their workflows to Plugins, Subagents, and SessionStart hooks, ensuring they maintain the high-level customization required for advanced software engineering and educational tasks.

主な機能

0 GitHub stars
Provides step-by-step migration paths to Claude Code Plugins
Guides implementation of Subagents for specialized tasks
Clarifies the distinction between system prompts and project context
Explains the use of SessionStart hooks for session initialization
Details legacy Explanatory and Learning mode behaviors

ユースケース

Configuring educational environments with explanatory insights and subagents
Migrating legacy system prompt customizations to the plugin architecture
Setting up collaborative coding sessions using modern session hooks

概要

主な機能

0 GitHub stars
Provides step-by-step migration paths to Claude Code Plugins
Guides implementation of Subagents for specialized tasks
Clarifies the distinction between system prompts and project context
Explains the use of SessionStart hooks for session initialization
Details legacy Explanatory and Learning mode behaviors

ユースケース

Configuring educational environments with explanatory insights and subagents
Migrating legacy system prompt customizations to the plugin architecture
Setting up collaborative coding sessions using modern session hooks