gh-stbenjam-claude-marketplace-template-plugins-example-plugin/hooks/user-prompt-submit.md

event, description

event	description
user-prompt-submit	Example hook that runs before user prompts are submitted

User Prompt Submit Hook

This hook runs before a user's prompt is submitted to Claude, allowing you to modify or validate the input.

Implementation

When this hook is triggered:

1. Validate Input: Check if the user's input meets certain criteria
2. Transform: Optionally modify the prompt before submission
3. Add Context: Inject additional context or instructions

Example Use Cases

• Add custom system prompts
• Validate user input
• Inject project-specific context
• Track usage patterns

Hook Execution

This hook receives the user's prompt and can return a modified version or the original.