Hooks 和高级工作流自动化

1{
2  "hooks": {
3    "EventName": [
4      {
5        "matcher": "ToolPattern",
6        "hooks": [
7          {
8            "type": "command",
9            "command": "your-command-here"
10          }
11        ]
12      }
13    ]
14  }
15}

1{
2  "hooks": {
3    "PreToolUse": [
4      {
5        "matcher": "Read",
6        "hooks": [
7          {
8            "type": "command",
9            "command": "python3 /home/hooks/check_read.py"
10          }
11        ]
12      }
13    ]
14  }
15}

PreToolUse 钩子

1{
2  "hook_event_name": "PreToolUse",
3  "tool_name": "Read",
4  "tool_input": {
5    "file_path": "/project/secrets/api_keys.json"
6  }
7}

1import sys
2import json
3
4# 从 stdin 读取 JSON 输入
5data = json.load(sys.stdin)
6
7# 从工具输入中提取文件路径
8file_path = data.get("tool_input", {}).get("file_path", "")
9
10# 如果路径包含 "/secrets/"，则阻止访问
11if "/secrets/" in file_path:
12    sys.stderr.write("Error: 不允许访问密钥文件。\n")
13    sys.exit(2)  # 阻止工具执行
14else:
15    sys.exit(0)  # 允许执行

1{
2  "hooks": {
3    "PreToolUse": [
4      {
5        "matcher": "Read",
6        "hooks": [
7          {
8            "type": "command",
9            "command": "python3 ~/.claude/hooks/block_secrets.py"
10          }
11        ]
12      }
13    ]
14  }
15}

1#!/usr/bin/env bash
2
3# 从 stdin 读取 JSON 输入
4read_json=$(cat)
5
6# 从 JSON 中提取文件路径
7file_path=$(printf "%s" "$read_json" | jq -r ".tool_input.file_path")
8
9# 根据文件扩展名决定操作
10case "$file_path" in
11  *.js|*.ts)
12    echo "使用 Prettier 自动格式化 $file_path..." 1>&2
13    npx prettier --write "$file_path"
14    ;;
15  *)
16    # 对其他文件类型不执行任何操作
17    ;;
18esac

1{
2  "hooks": {
3    "PostToolUse": [
4      {
5        "matcher": "Edit|Write|MultiEdit",
6        "hooks": [
7          {
8            "type": "command",
9            "command": "$CLAUDE_PROJECT_DIR/.claude/hooks/format_after_edits.sh"
10          }
11        ]
12      }
13    ]
14  }
15}