claudeindex
Plugin

cowork-upe-probe

Tests whether a plugin-level UserPromptExpansion hook fires on Cowork (slash-invoked), with SessionStart/UserPromptSubmit controls. Windows: expected validator reject (§2.3); macOS: may install, letting firing be observed for the first time.

Installation

1

Add the marketplace

/plugin marketplace add kazukinagata/analyzing-claude-plugin
2

Install plugins

/plugin

Run these commands in Claude Code to add this plugin to your environment. The marketplace must be added before you can install its plugins.

Repository & Links

Plugin Source

View Plugin Code

GitHub Repository

kazukinagata/analyzing-claude-plugin

Details & Metadata