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cron

Schedule reminders and recurring tasks.

Install with Tessl CLI

npx tessl i github:HKUDS/nanobot --skill cron
What are skills?

78

1.81x

Quality

66%

Does it follow best practices?

Impact

100%

1.81x

Average score across 3 eval scenarios

Optimize this skill with Tessl

npx tessl skill review --optimize ./nanobot/skills/cron/SKILL.md
SKILL.md
Review
Evals

Evaluation results

100%

55%

Backend Service Monitoring Automation

Interval scheduling and mode selection

Criteria
Without context
With context

10-min interval seconds

0%

100%

2-hour interval seconds

0%

100%

30-min interval seconds

0%

100%

Health check task message

100%

100%

Metrics task message

100%

100%

Log reminder message

100%

100%

action=add used

0%

100%

No cron_expr used

0%

100%

Three separate cron calls

100%

100%

Integer every_seconds values

0%

100%

Without context: $0.1150 · 30s · 9 turns · 14 in / 1,320 out tokens

With context: $0.2912 · 1m 17s · 16 turns · 270 in / 3,696 out tokens

100%

28%

Global Team Standup Scheduler

Timezone-aware cron expressions

Criteria
Without context
With context

cron_expr for NY standup

100%

100%

cron_expr for London standup

100%

100%

cron_expr for Friday all-hands

100%

100%

NY IANA timezone

50%

100%

London IANA timezone

50%

100%

Pacific IANA timezone

50%

100%

NY weekday cron expression

100%

100%

London weekday cron expression

100%

100%

Friday all-hands cron expression

100%

100%

action=add used

0%

100%

Without context: $1.5849 · 5m 3s · 54 turns · 169 in / 14,574 out tokens

With context: $0.1904 · 43s · 11 turns · 260 in / 2,090 out tokens

100%

50%

Product Launch Reminder Setup

One-time scheduling and job management

Criteria
Without context
With context

at= for all reminders

0%

100%

ISO datetime strings

0%

100%

2:30pm today time

0%

100%

Tomorrow 9am time

0%

100%

2-hour offset computed

100%

100%

action=list call

100%

100%

action=remove call

100%

100%

Correct job_id in remove

100%

100%

action=add for adding

0%

100%

Three distinct add calls

0%

100%

Without context: $0.8372 · 3m 27s · 30 turns · 167 in / 11,792 out tokens

With context: $0.1783 · 41s · 11 turns · 171 in / 2,308 out tokens

Evaluated
Agent
Claude Code
Model
Claude Sonnet 4.6

Table of Contents

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