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session-start-hook

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Creating and developing startup hooks for Claude Code on the web. Use when the user wants to set up a repository for Claude Code on the web, create a SessionStart hook to ensure their project can run tests and linters during web sessions.

Anthropic/claude-code/skills/session-start-hook/SKILL.md

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# Startup Hook Skill for Claude Code on the web

Create SessionStart hooks that install dependencies so tests and linters work in Claude Code on the web sessions.

## Hook Basics

### Input (via stdin)
```json
{
  "session_id": "abc123",
  "source": "startup|resume|clear|compact",
  "transcript_path": "/path/to/transcript.jsonl",
  "permission_mode": "default",
  "hook_event_name": "SessionStart",
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