memory_observe_tool
Observe tool executions and store hashed, redacted metadata for memory and recall. Group events by session, track outcomes, and capture error summaries for audit.
Input Schema
TableJSON Schema
| Name | Required | Description | Default |
|---|---|---|---|
| cwd | No | Working directory at the time of the tool call | |
| tool | Yes | Tool name being observed (Bash, Edit, Write, etc.) | |
| event | Yes | Hook event name (PreToolUse, PostToolUse, PostToolUseFailure, PreCompact, PostCompact, etc.) | |
| files | No | File paths to fingerprint (size + mtime + content hash) | |
| input | No | Tool input. Hashed and never stored raw; redacted metadata is only stored when retain_details is true. | |
| output | No | Tool output. Same redaction and storage policy as input. | |
| outcome | No | Outcome classification | |
| metadata | No | Arbitrary structured metadata (redacted before storage) | |
| session_id | No | Session identifier for grouping related events | |
| error_summary | No | Short error description if the tool failed. Redacted and truncated to 2 KB. | |
| retain_details | No | If true, redacted input and output payloads are stored alongside hashes. Defaults to false. |