Hook Failure Audit
Audit hook delivery health from Agent Monitor data, balance PreToolUse vs PostToolUse...
Install
npx skills add hoangsonww/Claude-Code-Agent-Monitor --skill hook-failure-audit -g -a claude-code -y- Repository
- hoangsonww/Claude-Code-Agent-Monitor1.1k
- Category
- AI and agents
- Updated
- 5d ago
- License
- MIT
- Context cost
- Lightabout 690 tokens
- Runs scripts
- No, instructions only
What it does
Audit hook delivery health from Agent Monitor data, balance PreToolUse vs PostToolUse (a gap means tools that started but never reported back), detect missing Stop/SubagentStop terminators (sessions/subagents that never closed), and check for stale ingestion (no recent events). Use when hooks look unreliable or events seem to be dropping.
Hook Failure Audit
Assess whether the hook pipeline is delivering events reliably, using the event counts and stream the dashboard already has. This is about delivery health (missing/dropped events), not about why a model errored.
Input
The user provides: $ARGUMENTS
This may be:
- empty or "all", run every check (default)
- "balance", PreToolUse/PostToolUse balance only
- "terminators", missing Stop/SubagentStop only
- "freshness", stale-ingestion check only
Data Sources
| Endpoint | Returns |
|---|---|
GET /api/analytics | event_types (counts per type: PreToolUse, PostToolUse, Stop, SubagentStop, SessionStart, SessionEnd), daily_events (365d), total_subagents, sessions_by_status, fleet-wide delivery balance |
GET /api/stats | total_sessions, total_agents, total_events, events_today, expected terminator counts and recency |
GET /api/events?session_id=X | Per-session stream, confirm which sessions are missing a PostToolUse, Stop, or SubagentStop |
Report Sections
1. PreToolUse / PostToolUse Balance
From GET /api/analytics event_types: gap = PreToolUse − PostToolUse. A positive gap means tools whose completion hook never arrived. Report the gap as a count and as a percentage of PreToolUse. A healthy pipeline keeps this near 0%.
2. Missing Terminators
Compare Stop count against completed sessions (sessions_by_status) and SubagentStop against total_subagents/total_agents (from /api/stats). A shortfall means sessions or subagents that ran but never emitted a closing hook, likely dropped delivery or a crashed handler. Report expected vs observed for each.
3. Stale Ingestion
Check events_today from /api/stats and the tail of daily_events from analytics. If recent days are empty while sessions exist, ingestion has stalled. Report the most recent day with events and how long ago that was.
