Get comfortable with the terms behind Cloudflare's edge-native Agents SDK.
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At standup, a dev wants a stateful AI agent running at the edge with its own durable memory. Which Cloudflare primitive underlies the Agents SDK?
The Cloudflare Agents SDK builds each agent instance on top of a Durable Object, giving it a single addressable, stateful home with built-in storage. This is what lets an agent retain memory and coordinate reliably. Plain Workers or KV alone lack this per-instance state guarantee.
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During a design review, the team wants the agent to keep a live connection with a browser client for streaming updates. Which feature applies?
The Agents SDK supports WebSocket connections with hibernation, so an agent can maintain a live client connection while avoiding cost during idle periods. This is ideal for streaming agent thoughts or tool results to a UI in real time. It reuses the underlying Durable Object hibernation mechanism.
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In a code review, a dev schedules the agent to check a task queue every few minutes without an external cron. Which SDK feature fits?
Agents can use the SDK's built-in schedule API (backed by Durable Object alarms) to wake themselves up later and perform recurring or delayed work. This avoids needing an external scheduler service. It keeps agent logic self-contained.
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An incident report shows agent state was lost after a deploy. What should the team check first?
Agents SDK state should be persisted through the underlying storage API so it survives evictions and redeploys, rather than relying solely on in-memory variables. In-memory-only state is lost on hibernation or restart. Persisting via storage is the documented durability pattern.
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During a PR review, a teammate exposes the agent to a React frontend with hooks for connecting and sending messages. Which SDK piece provides this?
The Agents SDK ships a client-side React integration with hooks to connect to an agent, send messages, and receive streamed state updates. This removes boilerplate for wiring a frontend to a Durable Object-backed agent. It pairs naturally with the WebSocket transport.