Claude Codeで自動化できること完全ガイド【2026年最新】：Hooks・GitHub Actions・スケジュール実行・headlessモードまで徹底解説

{
  "hooks": {
    "PostToolUse": [
      {
        "matcher": "Edit|Write",
        "hooks": [
          {
            "type": "command",
            "command": "jq -r '.tool_input.file_path' | xargs npx prettier --write"
          }
        ]
      }
    ]
  }
}

#!/bin/bash
INPUT=$(cat)
FILE_PATH=$(echo "$INPUT" | jq -r '.tool_input.file_path // empty')

PROTECTED_PATTERNS=(".env" "package-lock.json" ".git/")

for pattern in "${PROTECTED_PATTERNS[@]}"; do
  if [[ "$FILE_PATH" == *"$pattern"* ]]; then
    echo "Blocked: $FILE_PATH is protected" >&2
    exit 2
  fi
done

exit 0

{
  "hooks": {
    "Notification": [
      {
        "matcher": "",
        "hooks": [
          {
            "type": "command",
            "command": "osascript -e 'display notification \"Claude Codeが入力を待っています\" with title \"Claude Code\"'"
          }
        ]
      }
    ]
  }
}

name: Claude Code
on:
  issue_comment:
    types: [created]
  pull_request_review_comment:
    types: [created]

jobs:
  claude:
    runs-on: ubuntu-latest
    steps:
      - uses: anthropics/claude-code-action@v1
        with:
          anthropic_api_key: ${{ secrets.ANTHROPIC_API_KEY }}

name: Auto Security Review
on:
  pull_request:
    types: [opened, synchronize]

jobs:
  security-review:
    runs-on: ubuntu-latest
    steps:
      - uses: anthropics/claude-code-action@v1
        with:
          anthropic_api_key: ${{ secrets.ANTHROPIC_API_KEY }}
          prompt: "このPRのコードをセキュリティの観点でレビューしてください。SQLインジェクション、XSS、認証の不備などの問題があれば具体的に指摘してください。"

/loop 5m check if the deployment finished

/loop check whether CI passed and address any review comments

claude -p "このコードを最適化して" --allowedTools "Edit,Read,Bash" < source.py

cat error.log | claude -p "このエラーの原因を特定して修正コードを提案して"

claude -p "このコードをレビューして" --output-format json source.py