durable-objects-pattern-checker

Detect improper Durable Object patterns in Cloudflare Workers.

3|Updated Oct 22, 2025

Search Tags:#consistency #cloudflare #durable-objects #state #hibernation

Ready to run

npx skills add https://github.com/hirefrank/claude-plugins --skill durable-objects-pattern-checker

💬 Prompt for ChatGPT / Claude Chat▼

Please help me install this Agent Skill.
Skill: durable-objects-pattern-checker
Source: https://github.com/hirefrank/claude-plugins/tree/main/plugins/edge-stack/skills/durable-objects-pattern-checker
Command: npx skills add https://github.com/hirefrank/claude-plugins --skill durable-objects-pattern-checker

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve?

Ensures Durable Objects are used with proper state management, hibernation, and lifecycle patterns to maintain strong consistency and performance.

Core Features & Use Cases

State Management: Verifies state persistence and consistency.
ID Generation: Validates correct Durable Object ID patterns.
Lifecycle & Hibernation: Checks for proper initialization, alarms, and hibernation.

Quick Start

Audit a DO implementation to confirm correct state handling and lifecycle methods.

Frequently Asked Questions about durable-objects-pattern-checker

High-intent search queries and answers about installing and using this skill.

FAQPage Schema

How do I detect improper Durable Object patterns in Cloudflare Workers?▼

Detect improper Durable Object patterns by validating ID generation methods (idFromName, newUniqueId), state persistence, hibernation implementation, and lifecycle handling. This pattern checker enforces correct stub usage and prevents anti-patterns that compromise consistency and performance.

What are common Durable Objects state management mistakes to avoid?▼

Common mistakes include inconsistent ID reuse, improper hibernation configuration, missing persistent state storage, and incorrect lifecycle initialization. This checker identifies these issues to ensure strong consistency and prevent data loss or duplicate instance creation.

How should I structure Durable Object IDs for proper state consistency?▼

Use idFromName for deterministic, reusable IDs when state must persist across requests, and newUniqueId for one-time instances. Correct ID patterns ensure DO instances are properly reused and state remains consistent, avoiding unintended instance duplication.

What's the proper way to implement Durable Object hibernation?▼

Hibernation requires correct alarm scheduling, proper request handling during hibernation, and state preservation across lifecycle events. Proper implementation reduces memory overhead while maintaining strong consistency and preventing state corruption.

Can I use Durable Objects for real-time interactions like WebSockets?▼

Yes, Durable Objects support real-time interactions via WebSockets with proper lifecycle and state management patterns. Correct implementation ensures messages persist, connections resume reliably, and state remains strongly consistent across reconnections.

Why does my Durable Object state not persist between requests?▼

State persistence failures typically stem from incorrect ID patterns, missing durable storage calls, or improper initialization. This checker validates state management patterns to ensure data survives instance hibernation and request cycles.