Cascade Hooks

{
  "hooks": {
    "pre_read_code": [
      {
        "command": "python3 /path/to/your/script.py",
        "show_output": true
      }
    ],
    "post_write_code": [
      {
        "command": "python3 /path/to/another/script.py",
        "show_output": true
      }
    ]
  }
}

{
  "agent_action_name": "pre_read_code",
  "tool_info": {
    "file_path": "/Users/yourname/project/file.py"
  }
}

{
  "agent_action_name": "post_read_code",
  "tool_info": {
    "file_path": "/Users/yourname/project/file.py"
  }
}

{
  "agent_action_name": "pre_write_code",
  "tool_info": {
    "file_path": "/Users/yourname/project/file.py",
    "edits": [
      {
        "old_string": "def old_function():\n    pass",
        "new_string": "def new_function():\n    return True"
      }
    ]
  }
}

{
  "agent_action_name": "post_write_code",
  "tool_info": {
    "file_path": "/Users/yourname/project/file.py",
    "edits": [
      {
        "old_string": "import os",
        "new_string": "import os\nimport sys"
      }
    ]
  }
}

{
  "agent_action_name": "pre_run_command",
  "tool_info": {
    "command_line": "npm install package-name",
    "cwd": "/Users/yourname/project"
  }
}

{
  "agent_action_name": "post_run_command",
  "tool_info": {
    "command_line": "npm install package-name",
    "cwd": "/Users/yourname/project"
  }
}

{
  "agent_action_name": "pre_mcp_tool_use",
  "tool_info": {
    "mcp_server_name": "github",
    "mcp_tool_arguments": {
      "owner": "code-owner",
      "repo": "my-cool-repo",
      "title": "Fehlerbericht",
      "body": "Fehlerbeschreibung hier"
    },
    "mcp_tool_name": "create_issue"
  }
}

{
  "agent_action_name": "post_mcp_tool_use",
  "tool_info": {
    "mcp_result": "...",
    "mcp_server_name": "github",
    "mcp_tool_arguments": {
      "owner": "code-owner",
      "perPage": 1,
      "repo": "my-cool-repo",
      "sha": "main"
    },
    "mcp_tool_name": "list_commits"
  }
}

{
  "agent_action_name": "pre_user_prompt",
  "tool_info": {
    "user_prompt": "can you run the echo hello command"
  }
}

{
  "agent_action_name": "post_cascade_response",
  "tool_info": {
    "response": "### Planner Response\n\nI'll help you create that file.\n\n*Created file `/path/to/file.py`*\n\n### Planner Response\n\nThe file has been created successfully."
  }
}

{
  "agent_action_name": "post_cascade_response_with_transcript",
  "tool_info": {
    "transcript_path": "/Users/yourname/.windsurf/transcripts/{trajectory_id}.jsonl"
  }
}

{"status":"done","type":"user_input","user_input":{"rules_applied":{"always_on":["my-rule.md"]},"user_response":"create a hello world file"}}
{"planner_response":{"response":"I'll create a hello world file for you."},"status":"done","type":"planner_response"}
{"code_action":{"new_content":"print('hello world')\n","path":"/path/to/file.py"},"status":"done","type":"code_action"}
{"planner_response":{"response":"I created the file for you."},"status":"done","type":"planner_response"}

{
  "agent_action_name": "post_setup_worktree",
  "tool_info": {
    "worktree_path": "/Users/me/.windsurf/worktrees/my-repo/abmy-repo-c123",
    "root_workspace_path": "/Users/me/projects/my-repo"
  }
}

{
  "hooks": {
    "post_read_code": [
      {
        "command": "python3 /Users/yourname/hooks/log_input.py",
        "show_output": true
      }
    ],
    "post_write_code": [
      {
        "command": "python3 /Users/yourname/hooks/log_input.py",
        "show_output": true
      }
    ],
    "post_run_command": [
      {
        "command": "python3 /Users/yourname/hooks/log_input.py",
        "show_output": true
      }
    ],
    "post_mcp_tool_use": [
      {
        "command": "python3 /Users/yourname/hooks/log_input.py",
        "show_output": true
      }
    ],
    "post_cascade_response": [
      {
        "command": "python3 /Users/yourname/hooks/log_input.py"
      }
    ]
  }
}

#!/usr/bin/env python3

import sys
import json

def main():
    # Read the JSON data from stdin
    input_data = sys.stdin.read()
    
    # Parse the JSON
    try:
        data = json.loads(input_data)
        
        # Write formatted JSON to file
        with open("/Users/yourname/hooks/input.txt", "a") as f:
            f.write('\n' + '='*80 + '\n')
            f.write(json.dumps(data, indent=2, separators=(',', ': ')))
            f.write('\n')
    
        print(json.dumps(data, indent=2))
    except json.JSONDecodeError as e:
        print(f"Fehler beim Parsen von JSON: {e}", file=sys.stderr)
        sys.exit(1)

if __name__ == "__main__":
    main()

{
  "hooks": {
    "pre_read_code": [
      {
        "command": "python3 /Users/yourname/hooks/block_read_access.py",
        "show_output": true
      }
    ]
  }
}

#!/usr/bin/env python3

import sys
import json

ALLOWED_PREFIX = "/Users/yourname/my-project/"

def main():
    # JSON-Daten aus stdin lesen
    input_data = sys.stdin.read()

    # JSON parsen
    try:
        data = json.loads(input_data)

        if data.get("agent_action_name") == "pre_read_code":
            tool_info = data.get("tool_info", {})
            file_path = tool_info.get("file_path", "")
            
            if not file_path.startswith(ALLOWED_PREFIX):
                print(f"Zugriff verweigert: Cascade darf nur Dateien unter {ALLOWED_PREFIX} lesen", file=sys.stderr)
                sys.exit(2)  # Exit-Code 2 blockiert die Aktion
            
            print(f"Zugriff gewährt: {file_path}", file=sys.stdout)

    except json.JSONDecodeError as e:
        print(f"Fehler beim Parsen von JSON: {e}", file=sys.stderr)
        sys.exit(1)

if __name__ == "__main__":
    main()

{
  "hooks": {
    "pre_run_command": [
      {
        "command": "python3 /Users/yourname/hooks/block_dangerous_commands.py",
        "show_output": true
      }
    ]
  }
}

#!/usr/bin/env python3

import sys
import json

DANGEROUS_COMMANDS = ["rm -rf", "sudo rm", "format", "del /f"]

def main():
    # Read the JSON data from stdin
    input_data = sys.stdin.read()

    # Parse the JSON
    try:
        data = json.loads(input_data)

        if data.get("agent_action_name") == "pre_run_command":
            tool_info = data.get("tool_info", {})
            command = tool_info.get("command_line", "")

            for dangerous_cmd in DANGEROUS_COMMANDS:
                if dangerous_cmd in command:
                    print(f"Command blockiert: ‚{dangerous_cmd}' ist aus Sicherheitsgründen nicht erlaubt.", file=sys.stderr)
                    sys.exit(2)  # Exit code 2 blocks the command
            
            print(f"Command approved: {command}", file=sys.stdout)

    except json.JSONDecodeError as e:
        print(f"Error parsing JSON: {e}", file=sys.stderr)
        sys.exit(1)

if __name__ == "__main__":
    main()

{
  "hooks": {
    "pre_user_prompt": [
      {
        "command": "python3 /Users/yourname/hooks/block_bad_prompts.py"
      }
    ]
  }
}

#!/usr/bin/env python3

import sys
import json

BLOCKED_PATTERNS = [
    "something dangerous",
    "bypass security",
    "ignore previous instructions"
]

def main():
    # JSON-Daten aus stdin lesen
    input_data = sys.stdin.read()

    # JSON parsen
    try:
        data = json.loads(input_data)

        if data.get("agent_action_name") == "pre_user_prompt":
            tool_info = data.get("tool_info", {})
            user_prompt = tool_info.get("user_prompt", "").lower()

            for pattern in BLOCKED_PATTERNS:
                if pattern in user_prompt:
                    print(f"Prompt blocked: Contains prohibited content. The user cannot ask the agent to do bad things.", file=sys.stderr)
                    sys.exit(2)  # Exit-Code 2 blockiert den Prompt

    except json.JSONDecodeError as e:
        print(f"Error parsing JSON: {e}", file=sys.stderr)
        sys.exit(1)

if __name__ == "__main__":
    main()

{
  "hooks": {
    "post_cascade_response": [
      {
        "command": "python3 /Users/yourname/hooks/log_cascade_response.py"
      }
    ]
  }
}

#!/usr/bin/env python3

import sys
import json
from datetime import datetime

def main():
    # JSON-Daten von stdin lesen
    input_data = sys.stdin.read()

    # JSON parsen
    try:
        data = json.loads(input_data)

        if data.get("agent_action_name") == "post_cascade_response":
            tool_info = data.get("tool_info", {})
            cascade_response = tool_info.get("response", "")
            trajectory_id = data.get("trajectory_id", "unknown")
            timestamp = data.get("timestamp", datetime.now().isoformat())

            # In Datei loggen
            with open("/Users/yourname/hooks/cascade_responses.log", "a") as f:
                f.write(f"\n{'='*80}\n")
                f.write(f"Timestamp: {timestamp}\n")
                f.write(f"Trajectory ID: {trajectory_id}\n")
                f.write(f"Response:\n{cascade_response}\n")

            print(f"Logged Cascade response for trajectory {trajectory_id}")

    except json.JSONDecodeError as e:
        print(f"Error parsing JSON: {e}", file=sys.stderr)
        sys.exit(1)

if __name__ == "__main__":
    main()

{
  "hooks": {
    "post_cascade_response": [
      {
        "command": "python3 /Users/yourname/hooks/track_rules.py"
      }
    ]
  }
}

#!/usr/bin/env python3

import sys
import json
import re
from datetime import datetime

def extract_triggered_rules(response: str) -> dict:
    """
    Parst ausgelöste Regeln aus der Cascade-Antwort.
    Regeln erscheinen als: - (Rule-Type) Triggered Rule: rule-filename.md
    """
    pattern = r"- \(([^)]+)\) Triggered Rule: (.+?)(?:\s*$)"
    rules = {}

    for match in re.finditer(pattern, response, re.MULTILINE):
        rule_type, rule_name = match.groups()
        if rule_type not in rules:
            rules[rule_type] = []
        rules[rule_type].append(rule_name)

    return rules

def main():
    input_data = sys.stdin.read()

    try:
        data = json.loads(input_data)

        if data.get("agent_action_name") == "post_cascade_response":
            response = data.get("tool_info", {}).get("response", "")
            trajectory_id = data.get("trajectory_id", "unknown")
            timestamp = data.get("timestamp", datetime.now().isoformat())

            rules = extract_triggered_rules(response)
            total_rules = sum(len(v) for v in rules.values())

            # Log to file
            with open("/Users/yourname/hooks/rules_usage.log", "a") as f:
                f.write(f"\n{'='*60}\n")
                f.write(f"Timestamp: {timestamp}\n")
                f.write(f"Trajectory: {trajectory_id}\n")
                f.write(f"Total rules triggered: {total_rules}\n")
                for rule_type, rule_list in rules.items():
                    if rule_list:
                        f.write(f"  {rule_type}: {', '.join(rule_list)}\n")

            print(f"Tracked {total_rules} triggered rules")

    except json.JSONDecodeError as e:
        print(f"Error parsing JSON: {e}", file=sys.stderr)
        sys.exit(1)

if __name__ == "__main__":
    main()

{
  "hooks": {
    "post_write_code": [
      {
        "command": "bash /Users/yourname/hooks/format_code.sh",
        "show_output": false
      }
    ]
  }
}

#!/bin/bash

# Read JSON from stdin
input=$(cat)

# Extract file path using jq
file_path=$(echo "$input" | jq -r '.tool_info.file_path')

# Format based on file extension
if [[ "$file_path" == *.py ]]; then
    black "$file_path" 2>&1
    echo "Python-Datei formatiert: $file_path"
elif [[ "$file_path" == *.js ]] || [[ "$file_path" == *.ts ]]; then
    prettier --write "$file_path" 2>&1
    echo "Formatted JS/TS file: $file_path"
elif [[ "$file_path" == *.go ]]; then
    gofmt -w "$file_path" 2>&1
    echo "Formatted Go file: $file_path"
fi

exit 0

{
  "hooks": {
    "post_setup_worktree": [
      {
        "command": "bash $ROOT_WORKSPACE_PATH/hooks/setup_worktree.sh",
        "show_output": true
      }
    ]
  }
}

#!/bin/bash

# Umgebungsdateien aus dem ursprünglichen Workspace kopieren
if [ -f "$ROOT_WORKSPACE_PATH/.env" ]; then
    cp "$ROOT_WORKSPACE_PATH/.env" .env
    echo "Copied .env file"
fi

if [ -f "$ROOT_WORKSPACE_PATH/.env.local" ]; then
    cp "$ROOT_WORKSPACE_PATH/.env.local" .env.local
    echo "Copied .env.local file"
fi

# Abhängigkeiten installieren
if [ -f "package.json" ]; then
    npm install
    echo "Installed npm dependencies"
fi

exit 0

/Library/Application Support/Windsurf/hooks.json

/etc/windsurf/hooks.json

C:\ProgramData\Windsurf\hooks.json

# Verify system hooks are present
ls -la /etc/windsurf/hooks.json  # Linux
ls -la "/Library/Application Support/Windsurf/hooks.json"  # macOS

# Hook-Ausführung testen (Hook-Ausgabe sollte in Cascade sichtbar sein)
# Have a developer trigger the relevant Cascade action

# Verify users cannot modify system hooks
sudo chown root:root /etc/windsurf/hooks.json
sudo chmod 644 /etc/windsurf/hooks.json

# Add to your repository
.windsurf/
├── hooks.json
└── scripts/
    └── format-check.py

# Commit to git
git add .windsurf/
git commit -m "Workspace-Hooks für Code-Formatierung hinzufügen"