Time Of Day Skill for Claude
> Discover when you are most active and most productive with Claude Code by bucketing sessions and events into hour-of-day and day-of-week bins from their timestamps, then flagging peak versus low-output windows. Uses the session list, per-session events, and analytics daily trends. Use when planning a schedule or deciding when to do deep work versus lighter tasks.
Install
one command, takes just this skill from the repositorynpx skills add https://github.com/hoangsonww/Claude-Code-Agent-Monitor --skill time-of-dayThe instruction itself
10 sections, as written by the authorTime of Day
Profile activity and productivity across the hours of the day and days of the week.
Input
The user provides: $ARGUMENTS
This may be:
- empty or "all" (default: all available sessions)
- a window like "last 30 days" or "last 90 days" to limit the analysis
- a project path to scope the analysis to one
cwd
Data Sources
| Endpoint | Returns |
|----------|---------|
| GET /api/sessions?limit=500 | Sessions with started_at, ended_at, status, cwd, cost, and metadata (turn_count, total_turn_duration_ms) — primary source for hour/weekday bucketing |
| GET /api/events?session_id=X | Events with timestamp and event_type (PreToolUse, PostToolUse, Stop, Compaction, APIError, etc.) — finer-grained activity within sessions and error timing |
| GET /api/analytics | daily_sessions / daily_events (365d) and sessions_by_status for trend context and completion baselines |
Report Sections
1. Activity by Hour of Day
Bucket sessions (by started_at) and events (by timestamp) into 24 hourly bins.
Show a text bar chart of session and event counts per hour. Identify the busiest
hours by raw volume.
2. Productivity by Hour of Day
For each hour bin, compute completion rate (completed / total sessions started in
that hour) and average sustained turn time
(total_turn_duration_ms / turn_count, ms → minutes). Distinguish "active" hours
(high volume) from "productive" hours (high completion + sustained turns).
3. Day-of-Week Pattern
Bucket the same metrics into 7 weekday bins. Table: weekday, sessions, completion
rate, avg cost, dominant model.
4. Peak vs. Low-Output Windows
- Peak windows: hours/days with high completion rate and long sustained turns.
- Low-output windows: hours/days with high abandonment/error/Compaction rates
or fragmented short turns. Pull error timing from /api/events event types
(APIError, Compaction) to corroborate.
5. Schedule Recommendation
Suggest which hour/weekday blocks to reserve for deep work and which to use for
lighter or shallower tasks, grounded in the buckets above.
Output
- Markdown with text-based bar charts (e.g.,
09:00 ████████ 24) for the hourly
and weekday distributions.
- Tables for the hour and weekday metrics; ▲ / ▼ for above/below the overall mean.
- Currency in USD to 4 decimals; durations in minutes (convert from ms).
- Cite only numbers from the API. State how many sessions/events were bucketed and
exclude sessions missing started_at or the focus metadata, noting the count.
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How to use it
Take hoangsonww/time-of-day from the repository into ~/.claude/skills for personal
use, or into .claude/skills inside a project.
The agent identifies a skill by the name field in its header. Two skills with the
same name cannot sit side by side — one of them will be ignored.