# Hook Deduplication Guide Implement robust content-based deduplication for Claude Code hooks. ## Overview This skill guides you through implementing SHA256 hash-based deduplication to prevent duplicate insights or data from being stored across sessions. ## When to Use **Trigger Phrases**: - "implement hook deduplication" - "prevent duplicate insights in hooks" - "content-based deduplication for hooks" ## Quick Start ```bash # Test the skill You: "I need to add deduplication to my hook to prevent storing the same insight twice" Claude: [Activates hook-deduplication-guide] - Explains content-based vs session-based strategies - Guides implementation of SHA256 hashing - Shows hash rotation to prevent file bloat - Provides testing validation ``` ## What You'll Get - Content-based deduplication using SHA256 - Efficient hash storage with rotation - Testing and validation guidance - Best practices for hook state management ## Installation ```bash # This is an example generated by insight-skill-generator # Copy to your skills directory if you want to use it cp -r examples/example-generated-skill ~/.claude/skills/hook-deduplication-guide ``` ## Learn More See [SKILL.md](SKILL.md) for complete workflow documentation. --- **Generated by**: insight-skill-generator v0.1.0 **Source**: 1 insight from hooks-and-events category