Durable Objects¶

Durable Objects provide stateful coordination and storage inside Cloudflare Workers.

Upstream references¶

• Durable Objects Documentation
• Durable Objects Best Practices

What upstream owns¶

• object lifecycle
• storage APIs
• binding behavior
• RPC mechanics

What VCQA owns¶

• stateful object boundaries.
• migration and storage policy.
• DO binding checks.

Detection signals¶

• Durable Object bindings in Wrangler config
• classes exported for Durable Objects
• object namespace usage

Composed standards¶

• Cloudflare Worker MCP Server

Combination-born guidelines¶

• Durable Objects plus MCP needs tenant/user/session scoped object IDs.
• Durable Objects plus migrations requires storage compatibility planning.
• Durable Objects plus Workers requires avoiding global mutable state as a coordination mechanism.