What this skill does
Master OpenClaw's timing systems. Use for scheduling reliable reminders, setting up periodic maintenance (janitor jobs).
Cron Mastery is part of the Automation & Workflows category — automation and workflow skills that schedule, trigger, and orchestrate tasks. You can install it on its own or alongside other automation & workflows skills from the OpenClaw catalog.
How to install Cron Mastery
The easiest path is via the OpenClaw Easy desktop app — one click, no terminal required:
- Download OpenClaw Easy for macOS or Windows (free, one-click installer, ~30 seconds).
- Open the in-app Skills panel.
- Search for
cron-masteryand click Install. - The skill activates automatically when an incoming message matches its description.
Install from the command line
If you already run the OpenClaw CLI, add Cron Mastery with a single command:
openclaw skills add cron-mastery
This pulls cron-mastery from ClawHub and installs it into ~/.openclaw/skills/cron-mastery/. Restart the OpenClaw gateway afterwards so the new skill is discovered.
How to use Cron Mastery
Once installed, Cron Mastery activates on its own: when an incoming message on WhatsApp, Telegram, Slack, Discord, Feishu or Line matches the skill's description, your OpenClaw agent loads it and runs the workflow. You can also trigger it explicitly by describing the task in chat. No extra configuration is required after install.
Manual install (advanced)
If you prefer manual installation:
- Click the Download .zip button above to grab
cron-mastery-1.0.3.zipdirectly from our S3 mirror. - Unzip into
~/.openclaw/skills/cron-mastery/(create the directory if it does not exist). - Restart OpenClaw Easy (or the OpenClaw CLI gateway) so the new skill is discovered.
Frequently asked questions
How do I install Cron Mastery?
Install Cron Mastery in the OpenClaw Easy desktop app by opening the Skills panel, searching for cron-mastery, and clicking Install. From a terminal you can run: openclaw skills add cron-mastery. Either way the skill is placed in ~/.openclaw/skills/cron-mastery/.
Is Cron Mastery free?
Yes. Cron Mastery is free and open-source, distributed under the Apache-2.0 license through ClawHub. No account or payment is required to download or run it.
What does Cron Mastery do?
Master OpenClaw's timing systems. Use for scheduling reliable reminders, setting up periodic maintenance (janitor jobs).
Related: more automation & workflows skills
If Cron Mastery looks useful, you may also want to check out other automation & workflows skills in the OpenClaw catalog:
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Free, open-source · Apache-2.0 · Works with Claude, ChatGPT, Gemini, or local Ollama models