@cloudflare/think@0.20.1 agents@0.27.0
cloudflare/agentsOct 7, 2026 → Oct 7, 20260 days between releases
What's New
Introduces new experimental harnesses and reorganizes the Channels API
Breaking Changes
- The `agents/channels` entry point has been removed.
- Slack, Telegram, and Email channels have been moved to `agents/experimental/channels/`.
- The `fallback` and `fanout` composites have been removed.
New Features
- AiSdkHarness for running messages with streamText.
- ThinkHarness for running Think's agent loop as a Lifecycle capability.
- ContainerHarness for running Claude Code or Codex in a Cloudflare Container.
- OpenCodeHarness for hosting OpenCode v2.
- Web search tool for pi, AI SDK, and TanStack AI.
Improvements
- Reorganized Channels API into an experimental module.
- Added `npx agents tui` for a terminal client.
- Added new components like `ChannelGateway` and Web Channel client.
Bug Fixes
- Streams, Tasks, and `useAgentChat` reconnects.
- MCP credential cleanup on `removeServer()`.
- x402 with MCP SDK v2.
Upgrade Notes
Update import paths to use the new `agents/experimental/channels` entry point or the new experimental harnesses. The `agents/channels` entry point and composites like `fallback` and `fanout` have been removed. Ensure your configuration references the new `AiSdkHarness` or `ThinkHarness` interfaces.
The Two Releases
@cloudflare/think@0.20.1
Oct 7, 2026· 15 days ago
A patch release fixing a specific scenario where a chat could stall when the model chains fast client tool calls across steps.
Full release notesagents@0.27.0
Oct 7, 2026· 15 days ago
This release introduces four new experimental harnesses (AiSdkHarness, ThinkHarness, ContainerHarness, OpenCodeHarness), a new web search tool, and reorganizes the Channels API into an experimental module.
Full release notes