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josk

Cluster-safe task scheduling for Node.js and Bun apps

Schedules recurring and one-shot background jobs across scaled Node.js and Bun servers using Redis, MongoDB, or PostgreSQL. Prevents duplicate task execution across clusters, containers, and data centers with storage-level locks and zombie recovery. Guides correct adapter setup, CRON patterns, and shutdown handling so scheduled jobs run exactly once per tick.
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npx skills add veliovgroup/josk --all -g -y
Available:

Directs the agent on JoSk's architecture, adapter contracts, testing rules, and how to keep the bundled scheduling skill in sync with the public API.

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josk

Schedule recurring tasks in Node.js and Bun with Redis, MongoDB, or PostgreSQL.

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Frequently Asked Questions

FAQPage Schema
How to install JoSk?▼

Run `npx skills add veliovgroup/josk --all -g -y` in your terminal to install the JoSk skill globally for your coding agent.

How to run a cron job only once across multiple servers?▼

Use JoSk with a Redis, MongoDB, or PostgreSQL adapter — it claims each due tick with a storage-level lock so only one instance executes the task.

Does JoSk work with Redis Cluster or KeyDB?▼

Yes. Pass `useHashTags: true` to the RedisAdapter for Redis, KeyDB, or Valkey Cluster so all scheduler keys stay in one hash slot.

Can JoSk replace node-cron or BullMQ?▼

Yes for distributed scheduling needs. JoSk mimics setTimeout and setInterval with cluster-wide guarantees, and pairs with cron-parser for CRON expressions.

Does JoSk work with Meteor.js?▼

Yes. Install the `ostrio:cron-jobs` Meteor package and reuse your app's existing MongoDB connection through the MongoAdapter.

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