Durable Objects

Build, debug, or review Cloudflare Durable Objects code for persistent state and coordination.

3,227 stars 336 forksSoftware DevelopmentOfficial

Install

skills CLI (Claude Code, Cursor, Codex and more)
npx skills add cloudflare/skills --skill durable-objects
Manual install
git clone --depth 1 https://github.com/cloudflare/skills.git /tmp/skills
mkdir -p ~/.claude/skills
cp -r /tmp/skills/skills/durable-objects ~/.claude/skills/durable-objects

Personal skills live in ~/.claude/skills. Use .claude/skills in a project folder to share a skill with your team.

From the SKILL.md

# Durable Objects

Build stateful, coordinated applications on Cloudflare's edge using Durable Objects.

## Retrieval Sources

Your knowledge of Durable Objects APIs and configuration may be outdated. **Prefer retrieval over pre-training** for any Durable Objects task.

| Resource | URL |
|----------|-----|
| Docs | https://developers.cloudflare.com/durable-objects/index.md |
| API Reference | https://developers.cloudflare.com/durable-objects/api/index.md |
| Best Practices | https://developers.cloudflare.com/durable-objects/best-practices/index.md |
| Examples | https://developers.cloudflare.com/durable-objects/examples/index.md |
| Roles and permissions | https://developers.cloudflare.com/workers/authorization/durable-objects/index.md |

Fetch the relevant doc page when implementing features.

## When to Use

- Creating new Durable Object classes for stateful coordination
- Implementing RPC methods, alarms, or WebSocket handlers
- Reviewing existing DO code for best practices
- Configuring wrangler.jsonc/toml for DO bindings and migrations
- Writing tests with Cloudflare’s Vitest integration
- Designing sharding strategies and parent-child relationships

## Reference Documentation

- `./references/rules.md` - Core rules, storage, concurrency, RPC, alarms
- [Testing reference](./references/testing.md) - Current Vitest documentation, migration choices, and test selection
Read the full skill on GitHub

Details

Skill name
durable-objects
Repository
cloudflare/skills
Path
skills/durable-objects/SKILL.md
License
Apache-2.0
Repo updated
30 October 2026
Listed in
heilcheng/awesome-agent-skills

FAQ

What does the Durable Objects skill do?

Build, debug, or review Cloudflare Durable Objects code for persistent state and coordination.

How do I install the Durable Objects skill?

skills CLI (Claude Code, Cursor, Codex and more): npx skills add cloudflare/skills --skill durable-objects. Skills go in ~/.claude/skills (personal) or .claude/skills (project), and Claude loads them automatically when a task matches the description.

Is Durable Objects popular?

It lives in cloudflare/skills, which has 3,227 GitHub stars and 336 forks, and is included in 1 curated skill list.

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