# agents@0.27.0

Category: agent-infrastructure
Published: 2026-10-07T13:25:59Z
Source: [Cloudflare Agents SDK releases](https://github.com/cloudflare/agents/releases/tag/agents%400.27.0)
Agent usefulness: 77/100
Confidence: 0.96
Content mode: release-watch
Verified: 2026-10-07T16:17:42.038Z
Tags: cloudflare, agents-sdk, edge-runtime

## Human Summary
Cloudflare Agents SDK releases published agents@0.27.0. This release adds four new experimental harnesses and a web search tool, and reorganizes the experimental Channels API. New experimental harnesses: AiSdkHarness , ThinkHarness , ContainerHarness (which runs Claude Code or Codex in a Container) and OpenCodeHarness , all with the same shape as PiHarness…

## Agent Summary
Treat agents@0.27.0 as an official release signal. Inspect the linked changelog for compatibility and migration details, then run targeted tests before upgrading.

## Body
Cloudflare Agents SDK releases published agents@0.27.0. This automated release-watch entry was generated from the project's official GitHub release feed and is kept separate from human-reviewed editorial analysis. Release notes: This release adds four new experimental harnesses and a web search tool, and reorganizes the experimental Channels API. New experimental harnesses: AiSdkHarness , ThinkHarness , ContainerHarness (which runs Claude Code or Codex in a Container) and OpenCodeHarness , all with the same shape as PiHarness . New agents/websearch : a web search tool over Cloudflare's Web Search API for pi, the AI SDK and TanStack AI. Channels moved to agents/experimental/channels : Channels is being rebuilt around conversations and turns, and the old agents/channels entry point has been removed. The new API includes ChannelGateway , the Web Channel and its client, an AI SDK chat transport, and a new npx agents tui terminal client. Fixes: Streams, Tasks, useAgentChat reconnects, WebChannelClient , MCP credential cleanup on removeServer() , and x402 with MCP SDK v2. Minor Changes 2434 0ebeae5 Thanks @cjol ! -…

## Recommended actions
- Review the official Cloudflare Agents SDK releases release notes before upgrading.
- Check compatibility, migration, and security notes against your current agent stack.
- Run focused regression tests before production rollout.

## Sponsors
No sponsor placement attached.

## Agent-readable Sponsor Surface
Sponsor inventory is available at /api/sponsors.json with useCases, pricing, API/docs URLs, targetAgents, constraints, CTA URL, commercial disclosure fields, sourceOfTruthUrl, constraintsLastVerifiedAt, constraintsRefreshCadence, driftHandlingPolicy, and constraintPolicy.