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SKILL verified MIT Self-run

Cron

skill-zebbern-icron-cron · by zebbern

Schedule reminders and recurring tasks.

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Install

$ agentstack add skill-zebbern-icron-cron

✓ scanned · ✓ verified, works with Claude Code, Cursor, and more.

Security review

✓ Passed

No issues found. Passed automated security review. · v0.1.0 How review works →

  • ✓ Prompt-injection patterns
  • ✓ Secret / credential exfiltration
  • ✓ Dangerous shell & filesystem operations
  • ✓ Untrusted network calls
  • ✓ Known-malicious package signatures

What it can access

  • ✓ Network access No
  • ✓ Filesystem access No
  • ✓ Shell / process execution No
  • ✓ Environment & secrets No
  • ✓ Dynamic code execution No

From automated source analysis of v0.1.0. “Used” means the capability is present in the source — more access means more to trust, not that it’s unsafe.

View the full security report →

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[![AgentStack Verified](https://agentstack.voostack.com/badges/verified.svg)](https://agentstack.voostack.com/security/report/skill-zebbern-icron-cron)

Reliability & compatibility

✓ Security review passed
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○ 7mo ago

Declared compatibility

Claude CodeClaude Desktop

Compatibility is declared by the source manifest. End-to-end runtime verification is coming, see below.

Preview Execution monitoring

We're building live execution health for every listing: tool-call success rate, median latency, uptime, and last-checked timestamps, measured, not self-reported. It isn't live yet, so we don't show numbers we can't stand behind.

How agent discovery & health will work →
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About

Cron

Use the cron tool to schedule reminders or recurring tasks.

Two Modes

  1. Reminder - message is sent directly to user
  2. Task - message is a task description, agent executes and sends result

Examples

Fixed reminder:

cron(action="add", message="Time to take a break!", every_seconds=1200)

Dynamic task (agent executes each time):

cron(action="add", message="Check zebbern/icron GitHub stars and report", every_seconds=600)

List/remove:

cron(action="list")
cron(action="remove", job_id="abc123")

Time Expressions

| User says | Parameters | |-----------|------------| | every 20 minutes | everyseconds: 1200 | | every hour | everyseconds: 3600 | | every day at 8am | cronexpr: "0 8 " | | weekdays at 5pm | cronexpr: "0 17 * 1-5" |

Source & license

This open-source skill is cataloged on AgentStack and links to its original source — we do not rehost the code.

Install and usage instructions live in the source repository linked above.

Reviews

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Versions

  • v0.1.0 Imported from the upstream source.

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