Loop

A scheduling skill that records a task to run repeatedly using a standard cron schedule. Cron is a system scheduler that runs commands at specified times or intervals.

In plain words
What is it for?
Use it to schedule tasks such as running every few minutes, hourly, daily, or on selected weekdays, while handing the recorded schedule to the host scheduler.
Why use it?
It turns intervals or plain-language schedules into a five-field cron expression and avoids guessing what should be repeated when the task is missing.

Skill for Claude CodeCodex

Install

Getting it into your agent

One page per mod, every tool's command on it. A separate URL per tool would split the same page into five that compete with each other.

agentmods
npx agentmods add skills/cocorof/geny-executor/loop
Any agent
npx skills add CocoRoF/geny-executor --skill loop
Clone the repo
git clone --depth 1 https://github.com/CocoRoF/geny-executor

Made for: Claude Code, Codex.

Per session 46 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 1,171 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 0 findings. Scan, not verified.
Origin original No closer match found in the catalogue.
Token cost

What it costs to keep this loaded

Counted locally with the o200k_base tokenizer, which is exact for GPT models; Claude uses its own tokenizer and its counts differ. Treat this as one consistent yardstick across the catalogue rather than a bill. Prices are per million input tokens.

ModelPer sessionOnce invoked
Fable 5 $0.00046 $0.01171
Opus 5 $0.00023 $0.00585
Sonnet 5 $0.00009 $0.00234
Haiku 4.5 $0.00005 $0.00117

Measured yesterday against content hash df7edc619527, method: parsed. Prices are Anthropic first-party input rates as of 2026-08-30, from the pricing page.

Security

Grade A, and why

Loop scanned grade A with 0 findings against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured yesterday.

A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.

Nothing flagged

None of the 26 patterns this scan looks for appear in this file: no shell pipes, no recursive deletes, no credential paths, no hidden text, no instruction-override or anti-refusal phrasing, no agent-config snooping. That is not a guarantee, it is the absence of the things that are checkable.

src/geny_executor/skills/bundled/loop/SKILL.md · 104 lines

How it starts

The opening of the file, as written. The whole thing — 104 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Loop — schedule a recurring task

You are recording a recurring instruction. The host is responsible for the actual cron daemon — your job is to (1) parse what the user asked for, (2) translate it into a canonical cron expression, and (3) hand it off to the host's scheduler with a clear acknowledgement.

Inputs

  • ${interval} — when to fire. Three syntaxes accepted:
    • Compact: 5m, 30m, 1h, 2h, 1d, 12h. Translate to cron.
    • Cron expression: */5 * * * *, 0 9 * * 1 — pass through.
    • Plain English: "every weekday at 9am", "every 30 minutes", "every Monday morning". Convert to cron.
  • ${task} — what to do each tick. Free-form; quote it with double-quotes if it contains spaces.

If either is missing, ask once. Don't guess on task — a mis-recorded recurring task is worse than none.

Translate to cron

Standard 5-field POSIX cron: minute hour day-of-month month day-of-week.

Common compact translations:

Compact Cron expression Meaning
5m */5 * * * * every 5 minutes
15m */15 * * * * every 15 minutes
30m */30 * * * * every 30 minutes
1h 0 * * * * every hour on the hour
2h 0 */2 * * * every 2 hours
4h 0 */4 * * * every 4 hours
12h 0 */12 * * * every 12 hours
1d 0 0 * * * every day at midnight
1w 0 0 * * 0 every Sunday at midnight

For natural-language inputs, try to be conservative. "Every morning" defaults to 09:00 unless the user said otherwise. "Every weekday at 5pm" → 0 17 * * 1-5. If you're not sure, echo back your interpretation and ask the user to confirm before scheduling.

Hand off to the scheduler

This skill does not implement the cron daemon itself — the host provides one (geny-executor's cron extra ships croniter-backed scheduling; Geny exposes ScheduleCron / similar tools).

Your job:

  1. Show the user the parsed schedule + task in one block:
    Schedule: <cron expression>  (every <human-readable description>)
    Task:     <task>
    
  2. Hand the canonical schedule + task off to the host's scheduler. In a Geny-style host the next step is calling ScheduleCron / the equivalent tool with (cron_expression, task). If no such tool is in the current tool roster, don't fake it — say so: "I parsed your request to . The current session doesn't have a scheduler tool wired; here's the canonical form to keep for when you set one up."
  3. Confirm the schedule was registered with a single short sentence, including the cron expression so the user can edit it later if needed.

Read the full file on GitHub · 104 lines

Changes

What this file has done since we first saw it

Hashed on every crawl. A supply-chain change to an agent config is a question of when, not whether, so the history is kept rather than the latest state alone.

  1. yesterday First seen · 104 lines · 46 tokens per session scan A df7edc619527

Subscribe to this mod's changes

Loop is a skill published in the GitHub repository CocoRoF/geny-executor (2 stars, last pushed 3d ago), licensed Apache-2.0. It adds 46 tokens to every session and 1,171 once invoked, about $0.0002 per session on Opus 5. A static security scan graded it A with 0 findings. No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-31.

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