Hooks¶

Hooks observe and control operations. They can log events, block operations, inject context, and request user approval.

Available Hooks¶

Hook	Description	Repository
Logging	JSONL event logging	GitHub
Approval	User approval gates	GitHub
Redaction	Sensitive data redaction	GitHub
Streaming UI	Real-time output display	GitHub
Backup	File backup before writes	GitHub
Status Context	Status tracking injection	GitHub
Todo Reminder	Todo list context injection	GitHub
Scheduler Heuristic	Smart tool scheduling	GitHub
Scheduler Cost-Aware	Cost-optimized scheduling	GitHub

No modules found.

Configuration¶

hooks:
  - module: hooks-logging
    config:
      level: info
      output: ~/.amplifier/logs/

  - module: hooks-approval
    config:
      require_approval_for:
        - tool-bash
        - tool-filesystem:write

Hook Actions¶

Action	Effect
`continue`	Proceed normally
`deny`	Block operation
`modify`	Transform data
`inject_context`	Add to conversation
`ask_user`	Request approval

Contract¶

See Hook Contract for implementation details.