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# Hooks Manager Command Reference
Complete reference for all hooks-manager skill commands.
## Configuration Format
### Plugin Hooks (PRISM)
PRISM uses plugin-level hooks configured in `hooks/hooks.json` at the plugin root:
```json
{
"hooks": {
"EventName": [
{
"matcher": "ToolPattern",
"hooks": [
{
"type": "command",
"command": "${CLAUDE_PLUGIN_ROOT}/path/to/script.py",
"description": "What this hook does",
"timeout": 60
}
]
}
]
}
}
```
**Critical Requirements:**
- ✅ Use `${CLAUDE_PLUGIN_ROOT}` for all plugin paths (not relative paths)
- ✅ Nest hooks under event names as keys
- ✅ Each matcher gets its own object with a `hooks` array
- ✅ Each hook needs `type: "command"` property
**Example (PRISM's current configuration)**:
```json
{
"hooks": {
"PreToolUse": [
{
"matcher": "Bash",
"hooks": [
{
"type": "command",
"command": "python ${CLAUDE_PLUGIN_ROOT}/hooks/enforce-story-context.py",
"description": "Ensure workflow commands have required story context"
}
]
}
],
"PostToolUse": [
{
"matcher": "Write",
"hooks": [
{
"type": "command",
"command": "python ${CLAUDE_PLUGIN_ROOT}/hooks/track-current-story.py",
"description": "Track story file as current workflow context"
}
]
},
{
"matcher": "Edit|Write",
"hooks": [
{
"type": "command",
"command": "python ${CLAUDE_PLUGIN_ROOT}/hooks/validate-required-sections.py",
"description": "Verify all required PRISM sections exist"
}
]
}
]
}
}
```
### User-Level Hooks
User and project-level hooks use the same format in `~/.claude/settings.json` or `.claude/settings.json`:
```json
{
"hooks": {
"PreToolUse": [
{
"matcher": "Bash",
"hooks": [
{
"type": "command",
"command": "python /absolute/path/to/hook.py"
}
]
}
]
}
}
```
**Note:** User hooks don't have `${CLAUDE_PLUGIN_ROOT}` - use absolute paths.
### Schema Reference
```typescript
{
hooks: {
[EventName: string]: Array<{
matcher: string; // "Bash", "Edit|Write", "*"
hooks: Array<{
type: "command"; // Hook type (always "command")
command: string; // Shell command to execute
description?: string; // Optional description
timeout?: number; // Optional timeout (default: 60s)
}>;
}>;
};
}
```
**Available Event Names:**
- `PreToolUse` - Before tool execution
- `PostToolUse` - After tool completion
- `UserPromptSubmit` - Before AI processes prompt
- `SessionStart` - Session begins/resumes
- `SessionEnd` - Session terminates
- `Stop` - Claude finishes responding
- `SubagentStop` - Subagent completes
- `PreCompact` - Before memory compaction
- `Notification` - Claude sends notification
**Matcher Patterns:**
- Exact: `"Bash"`, `"Edit"`, `"Write"`
- Multiple: `"Edit|Write"`, `"Read|Glob|Grep"`
- All tools: `"*"`
- MCP tools: `"mcp__server__tool"`
**Exit Codes:**
- `0`: Success (allow operation)
- `2`: Blocking error (blocks operation, feeds stderr to Claude)
- Other: Non-blocking error (stderr shown to user)
## Command Categories
- [Hook Management](#hook-management)
- [Testing & Debugging](#testing--debugging)
- [Examples & Reference](#examples--reference)
- [Integration](#integration)
---
## Hook Management
### `list-hooks`
**Purpose**: Display all configured hooks with their events and matchers
**Usage**: `*list-hooks`
**Output**:
```
📋 Configured Hooks:
User Hooks (~/.claude/settings.json):
1. bash-logger (PreToolUse, Bash)
Command: python hooks/log-bash.py
2. auto-format (PostToolUse, Edit|Write)
Command: prettier --write ${file_path}
Project Hooks (.claude/settings.json):
3. validate-story (PreToolUse, Edit)
Command: python hooks/validate-story.py
Total: 3 hooks (2 user, 1 project)
```
**Options**:
- `*list-hooks --user` - Show only user-level hooks
- `*list-hooks --project` - Show only project-level hooks
- `*list-hooks --event PreToolUse` - Filter by event type
---
### `create-hook`
**Purpose**: Create new hook with guided interactive setup
**Usage**: `*create-hook`
**Process**:
1. Select event type (PreToolUse, PostToolUse, etc.)
2. Choose matcher pattern (tool name or *)
3. Enter command to execute
4. Add description
5. Select configuration location (user or project)
**Example**:
```
*create-hook
→ Select event type:
1. PreToolUse (can block operations)
2. PostToolUse (after operations complete)
...
Choice: 1
→ Select matcher:
1. Bash (bash commands only)
2. Edit|Write (file edits and writes)
3. * (all tools)
4. Custom pattern
Choice: 1
→ Enter command:
Command: python hooks/my-validation.py
→ Description:
Description: Validate bash commands before execution
→ Save to:
1. User settings (global)
2. Project settings (this project only)
Choice: 2
✅ Hook created: my-validation
Saved to: .claude/settings.json
```
**Advanced Usage**:
- `*create-hook --template [name]` - Start from example template
- `*create-hook --quick` - Skip interactive prompts (use defaults)
---
### `edit-hook {name}`
**Purpose**: Modify existing hook configuration
**Usage**: `*edit-hook my-validation`
**Opens interactive editor**:
```
Editing hook: my-validation
Current configuration:
Event: PreToolUse
Matcher: Bash
Command: python hooks/my-validation.py
Description: Validate bash commands
What would you like to edit?
1. Event type
2. Matcher
3. Command
4. Description
5. Enable/Disable
6. Save changes
7. Cancel
```
**Direct Edit**:
```
*edit-hook my-validation --command "python3 hooks/new-validator.py"
*edit-hook my-validation --matcher "Edit|Write"
*edit-hook my-validation --disable
```
---
### `delete-hook {name}`
**Purpose**: Remove hook from configuration
**Usage**: `*delete-hook my-validation`
**Confirmation**:
```
⚠️ Are you sure you want to delete hook: my-validation?
Event: PreToolUse
Matcher: Bash
Command: python hooks/my-validation.py
This action cannot be undone.
Type 'yes' to confirm: yes
✅ Hook deleted: my-validation
```
**Force delete** (no confirmation):
```
*delete-hook my-validation --force
```
---
### `enable-hook {name}`
**Purpose**: Enable a disabled hook
**Usage**: `*enable-hook my-validation`
**Output**:
```
✅ Hook enabled: my-validation
Will execute on: PreToolUse (Bash)
```
---
### `disable-hook {name}`
**Purpose**: Disable hook without deleting it
**Usage**: `*disable-hook my-validation`
**Output**:
```
✅ Hook disabled: my-validation
Configuration preserved (can be re-enabled)
```
---
## Testing & Debugging
### `test-hook {name}`
**Purpose**: Test hook execution with sample input
**Usage**: `*test-hook my-validation`
**Process**:
1. Generates sample tool input JSON
2. Executes hook command
3. Captures stdout, stderr, exit code
4. Displays results
**Output**:
```
🧪 Testing hook: my-validation
Sample input:
{
"tool_input": {
"command": "git push --force",
"description": "Force push to remote"
}
}
Executing: python hooks/my-validation.py
Exit code: 2 (BLOCKED)
Stdout:
Stderr: ❌ ERROR: Force push not allowed on main branch
✅ Test complete
Hook correctly blocks dangerous operation
```
**Custom test input**:
```
*test-hook my-validation --input sample.json
```
---
### `debug-hook {name}`
**Purpose**: Show hook execution logs and debugging information
**Usage**: `*debug-hook my-validation`
**Output**:
```
🔍 Debug information for: my-validation
Configuration:
Location: .claude/settings.json
Event: PreToolUse
Matcher: Bash
Command: python hooks/my-validation.py
Status: Enabled
Recent executions (last 10):
1. 2025-10-24 15:30:45 - EXIT:2 - Blocked: force push
2. 2025-10-24 15:28:12 - EXIT:0 - Allowed: normal command
3. 2025-10-24 15:25:33 - EXIT:2 - Blocked: rm -rf /
...
Common issues:
✓ Command is executable
✓ Configuration syntax valid
✓ Matcher pattern valid
! Hook has blocked 30% of recent executions (review threshold?)
```
---
### `validate-config`
**Purpose**: Check hooks configuration syntax for all settings files
**Usage**: `*validate-config`
**Output**:
```
✅ Validating hook configurations...
~/.claude/settings.json:
✅ Valid JSON syntax
✅ 2 hooks configured
✅ All matchers valid
✅ All commands exist
.claude/settings.json:
✅ Valid JSON syntax
✅ 1 hook configured
⚠️ Warning: Hook 'my-validation' command not found: python hooks/my-validation.py
.claude/settings.local.json:
File not found (optional)
Overall: 3 hooks, 1 warning, 0 errors
```
**Fix issues**:
```
*validate-config --fix
```
---
## Examples & Reference
### `hook-examples`
**Purpose**: Browse pre-built hook patterns for common use cases
**Usage**: `*hook-examples`
**Categories**:
```
📚 Hook Examples Library
1. Logging & Auditing
- bash-command-logger
- file-change-tracker
- workflow-auditor
2. Validation & Safety
- file-protection
- git-safety
- syntax-validator
3. Automation
- auto-formatter
- auto-tester
- auto-commit
4. Notifications
- desktop-alerts
- slack-integration
- completion-notifier
Select category or search:
```
**View example**:
```
*hook-examples bash-command-logger
Name: bash-command-logger
Category: Logging & Auditing
Description: Log all bash commands to file for audit trail
Configuration:
Event: PreToolUse
Matcher: Bash
Command: jq -r '"\(.tool_input.command) - \(.tool_input.description)"' >> ~/.claude/bash-log.txt
Usage: Tracks every bash command with timestamp
Security: Low risk (read-only logging)
Dependencies: jq
Install: *install-example bash-command-logger
```
---
### `event-types`
**Purpose**: List all hook event types with detailed information
**Usage**: `*event-types`
**Output**:
```
📋 Hook Event Types
PreToolUse
Timing: Before tool execution
Can Block: YES ✅
Use Cases: Validation, access control, logging
Example: Block dangerous git operations
PostToolUse
Timing: After tool completion
Can Block: NO ❌
Use Cases: Formatting, testing, cleanup
Example: Run prettier on edited files
UserPromptSubmit
Timing: Before AI processing
Can Block: YES ✅
Use Cases: Input validation, preprocessing
Example: Check for sensitive data in prompts
... (all 9 events)
```
**Filter by capability**:
```
*event-types --can-block
*event-types --for-validation
```
---
### `security-guide`
**Purpose**: Display hook security best practices and review checklist
**Usage**: `*security-guide`
**Output**:
```
🔒 Hook Security Guide
CRITICAL SECURITY PRINCIPLES:
1. Review Before Use
⚠️ NEVER run hooks from untrusted sources
✅ Always inspect hook code before installation
2. Least Privilege
⚠️ Hooks run with YOUR user credentials
✅ Limit hook permissions to minimum required
3. Data Protection
⚠️ Malicious hooks can exfiltrate data
✅ Review all network operations in hooks
4. Version Control
✅ Commit project hooks to git
✅ Track changes with meaningful commits
5. Testing
✅ Test in safe environment first
✅ Use *test-hook before deployment
SECURITY CHECKLIST:
□ Hook code reviewed by team
□ No hardcoded credentials
□ No untrusted network calls
□ Error handling prevents crashes
□ Logging doesn't expose secrets
□ Exit codes correctly implemented
□ Command injection prevented
□ File permissions validated
Run: *validate-security [hook-name] for automated checks
```
---
## Integration
### `install-example {name}`
**Purpose**: Install pre-built hook from examples library
**Usage**: `*install-example bash-command-logger`
**Process**:
1. Downloads hook configuration from library
2. Validates dependencies are available
3. Prompts for installation location
4. Installs and tests hook
**Output**:
```
📦 Installing: bash-command-logger
Checking dependencies...
✅ jq found
Configuration:
Event: PreToolUse
Matcher: Bash
Command: jq -r '"\(.tool_input.command)"' >> ~/.claude/bash-log.txt
Install to:
1. User settings (all projects)
2. Project settings (this project only)
Choice: 1
Installing...
✅ Hook installed successfully
Testing hook...
✅ Test passed
Next steps:
- Run *test-hook bash-command-logger to verify
- Check ~/.claude/bash-log.txt for logged commands
```
**Force install** (skip prompts):
```
*install-example bash-command-logger --user --force
```
---
### `export-hooks`
**Purpose**: Export hooks to shareable JSON file
**Usage**: `*export-hooks`
**Output**:
```
📤 Exporting hooks...
Source: .claude/settings.json
Hooks to export:
✓ validate-story (PreToolUse)
✓ auto-format (PostToolUse)
Export location: hooks-export.json
✅ Exported 2 hooks to hooks-export.json
Share with team:
git add hooks-export.json
git commit -m "Add project hooks"
```
**Options**:
```
*export-hooks --output my-hooks.json
*export-hooks --user # Export only user hooks
*export-hooks --project # Export only project hooks
```
---
### `import-hooks {file}`
**Purpose**: Import hooks from JSON file
**Usage**: `*import-hooks hooks-export.json`
**Process**:
1. Validates JSON file syntax
2. Checks for conflicts with existing hooks
3. Prompts for conflict resolution
4. Imports hooks to specified location
**Output**:
```
📥 Importing hooks from: hooks-export.json
Found 2 hooks:
1. validate-story (PreToolUse)
2. auto-format (PostToolUse)
Checking for conflicts...
⚠️ Hook 'validate-story' already exists
Conflict resolution:
1. Skip (keep existing)
2. Overwrite (replace with imported)
3. Rename (keep both)
Choice for 'validate-story': 3
New name: validate-story-imported
Import to:
1. User settings
2. Project settings
Choice: 2
Importing...
✅ validate-story-imported
✅ auto-format
✅ Imported 2 hooks to .claude/settings.json
Run *list-hooks to see all hooks
```
---
## Command Shortcuts
| Full Command | Shortcut | Notes |
|-------------|----------|-------|
| `*list-hooks` | `*lh` | List all hooks |
| `*create-hook` | `*ch` | Create new hook |
| `*test-hook {name}` | `*th {name}` | Test hook |
| `*hook-examples` | `*hx` | Browse examples |
---
## Advanced Usage
### Chaining Commands
```bash
# Create, test, and enable in one flow
*create-hook && *test-hook my-hook && *enable-hook my-hook
# Export and commit hooks
*export-hooks --output team-hooks.json && git add team-hooks.json && git commit
```
### Filtering and Searching
```bash
# Find hooks by event type
*list-hooks --event PreToolUse
# Search examples by keyword
*hook-examples --search validation
# Show only enabled hooks
*list-hooks --enabled
```
### Batch Operations
```bash
# Disable all hooks temporarily
*disable-all-hooks
# Re-enable all hooks
*enable-all-hooks
# Delete all project hooks
*delete-hooks --project --confirm
```
---
## Troubleshooting
### Command Not Found
**Issue**: `*create-hook` not recognized
**Fix**:
1. Ensure hooks-manager skill is loaded
2. Try `*hooks` to see if skill is available
3. Reload skill: `/reload-skill hooks-manager`
### Hook Not Executing
**Issue**: Hook configured but not running
**Debug Steps**:
1. Run `*validate-config` to check syntax
2. Run `*test-hook {name}` to test execution
3. Check matcher matches the tool
4. Review Claude Code console for errors
### Permission Denied
**Issue**: Hook command fails with permission error
**Fix**:
1. Make script executable: `chmod +x hooks/script.py`
2. Check file permissions on settings file
3. Verify Python/command is in PATH
---
## Exit Codes
Hooks use exit codes to communicate results:
| Code | Meaning | Usage |
|------|---------|-------|
| 0 | Success / Allow | Operation proceeds normally |
| 1 | Error | Hook failed but operation may proceed |
| 2 | Block | Operation blocked (PreToolUse only) |
| >2 | Custom | Hook-specific error codes |
---
## Related Commands
- `/hooks` - Interactive hooks management UI
- `*help` - Show all available commands
- `*security-guide` - Security best practices
---
**Version**: 1.0.0
**Last Updated**: 2025-10-24