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AgentHub/plugins/agenthub-analytics/skills/usage-trends/SKILL.md
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nntrivi2001 17d56d0e01 refactor!: rebrand CCAM to AgentHub
Clean break, no compatibility alias. Renames the product name, the CLI
binary (`ccam` -> `agenthub`), the env var prefix (`CCAM_` ->
`AGENTHUB_`), the Prometheus metric namespace (`ccam_*` ->
`agenthub_*`), the tmux session prefix (`ccam-lane-<id>` ->
`agenthub-lane-<id>`), the per-repo runtime profile directory
(`.ccam/profile` -> `.agenthub/profile`), the lanes state root
(`~/.claude/ccam-lanes` -> `~/.claude/agenthub-lanes`), the bundled
plugins (`plugins/ccam*` -> `plugins/agenthub*`) and their slash
commands (`/ccam-doctor` -> `/agenthub-doctor`, `/ccam:*` ->
`/agenthub:*`).

Because there is no alias, an existing install has to be updated by
hand: rename its `.ccam/profile` directory and any `CCAM_*` variables,
and reinstall the plugin under its new name.

Two other name families are deliberately left alone here, since they are
not just strings: the `Claude-Code-Monitor` repository/marketplace name,
and the `agent-dashboard` npm package plus its `~/.claude/agent-dashboard`
runtime directory, which holds the live database and needs a migration
rather than a rename.

Verified: server 1406/1406, client 459/459, `grep -i ccam` clean across
tracked files, `openapi.yaml` regenerated (95 paths, unchanged count).
2026-09-07 12:09:15 +07:00

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---
description: >
Analyze Claude Code usage trends over time using the Agent Monitor's
analytics API — daily session counts, daily event counts, token volumes
by type, model distribution, tool usage rankings, and agent/event type
distributions across 365-day retention windows.
---
# Usage Trends
Analyze usage patterns and trends from the Agent Monitor analytics data.
## Input
The user provides: **$ARGUMENTS**
Options: "last 7 days", "last 30 days", "last quarter", "peak hours", "tool trends", "model usage".
## Data Sources
| Endpoint | Returns |
|----------|---------|
| `GET /api/analytics` | Comprehensive analytics object (see schema below) |
| `GET /api/stats` | `{ total_sessions, active_sessions, active_agents, total_agents, total_events, events_today, ws_connections, agents_by_status, sessions_by_status }` |
| `GET /api/sessions?limit=200` | Full session records with timestamps and metadata |
### Analytics response schema (`GET /api/analytics`)
```json
{
"overview": { "total_sessions", "active_sessions", "active_agents", "total_agents", "total_events" },
"tokens": {
"total_input": N, "total_output": N,
"total_cache_read": N, "total_cache_write": N
},
"tool_usage": [{ "tool_name": "...", "count": N }], // top 20
"daily_events": [{ "date": "YYYY-MM-DD", "count": N }], // 365 days
"daily_sessions": [{ "date": "YYYY-MM-DD", "count": N }], // 365 days
"agent_types": [{ "subagent_type": "task"|"explore"|null, "count": N }],
"event_types": [{ "event_type": "PreToolUse"|"PostToolUse"|..., "count": N }],
"avg_events_per_session": N,
"total_subagents": N,
"sessions_by_status": { "active": N, "completed": N, "error": N, "abandoned": N },
"agents_by_status": { "working": N, "completed": N, "error": N, ... }
}
```
## Trend Analyses to Produce
### 1. Daily Activity Trend
Plot `daily_sessions` and `daily_events` for the requested period. Compute:
- **Average sessions/day** and **events/day**
- Week-over-week delta (%)
- Peak day and quietest day
### 2. Token Volume Trends
From analytics tokens (baselines are pre-summed into totals at the DB level):
- Total tokens: `total_input`, `total_output`, `total_cache_read`, `total_cache_write`
- **Cache efficiency over time**: `total_cache_read / (total_cache_read + total_input)` — trending up = improving
- **Output intensity**: `total_output / total_input` ratio — high = Claude is verbose
### 3. Tool Usage Ranking
From `tool_usage` (top 20 tools by event count):
- Bar chart data (tool name → count)
- Tool diversity: unique tools used
- Subagent spawns: count of "Agent" tool uses (each = a subagent launched)
### 4. Model Distribution
From `agent_types` + per-session model field:
- Which models are used most frequently
- Subagent type distribution: main (null) vs task vs explore vs code-review
### 5. Session Health Distribution
From `sessions_by_status`:
- Completion rate: `completed / total × 100`
- Error rate: `error / total × 100`
- Abandoned rate: `abandoned / total × 100`
### 6. Event Type Distribution
From `event_types`:
- PreToolUse/PostToolUse ratio (should be ~1:1; gap = tools failing)
- Compaction frequency relative to session count
- APIError count (quota hits, rate limits, overloaded)
## Output
Markdown with tables and ASCII trend indicators (▲▼→). Include period comparison when applicable.