Cloudflare Agents SDK 0.28.0 released
A minor release that adds browser and web fetch tools for agents, and marks several capabilities as stable.
What changed in 0.28.0
- New browser tool lets agents create and manage persistent browser sessions across supported frameworks.
- New web fetch tool retrieves and converts documents from URLs into markdown, JSON, or text formats.
- Lifecycle, Scheduler, State, WebSockets, and MCPClientManager capabilities are now stable.
- ThinkHarness automatically migrates sessions and operations to shared storage on first run.
Summarised by AgentGid from Cloudflare's official release notes on GitHub, as reported there; read the original before relying on it. Price, status and release dates come from our daily data.
Cloudflare Agents SDK at a glance
| What it is | Cloudflare's SDK for building stateful agents that run on Workers and Durable Objects. |
|---|---|
| Latest version | 0.29.0, Oct 20, 2026. This page is about an earlier release. |
| Release pace | 6 stable releases in the last 30 days; 0.28.0 came 2 days after the previous one |
| Price | Free (OSS). The SDK is open source and free; running agents is billed through Cloudflare Workers and Durable Objects usage. (checked Oct 5, 2026) |
| Downloads, last 7 days | 1.5M down 24.5% |
| Gid Score | 54 #10 in Agent frameworks and SDKs |
Cloudflare Agents SDK overview Monthly changelogAlternatives
