# @cloudflare/think@0.21.0

Category: agent-infrastructure
Published: 2026-10-20T15:20:12Z
Source: [Cloudflare Agents SDK releases](https://github.com/cloudflare/agents/releases/tag/%40cloudflare%2Fthink%400.21.0)
Agent usefulness: 94/100
Confidence: 0.96
Content mode: release-watch
Verified: 2026-10-20T18:17:51.627Z
Tags: cloudflare, agents-sdk, edge-runtime

## Human Summary
Cloudflare Agents SDK releases published @cloudflare/think@0.21.0. Minor Changes 2561 998ae40 Thanks @mattzcarey ! - Think's workspace tools are now @cloudflare/computer 's createAITools , and exec offers every backend the Workspace has; createWorkspaceTools , workspaceBash , and @cloudflare/think/tools/workspace are removed. See Built-in workspace tools .…

## Agent Summary
Treat @cloudflare/think@0.21.0 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 @cloudflare/think@0.21.0. 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: Minor Changes 2561 998ae40 Thanks @mattzcarey ! - Think's workspace tools are now @cloudflare/computer 's createAITools , and exec offers every backend the Workspace has; createWorkspaceTools , workspaceBash , and @cloudflare/think/tools/workspace are removed. See Built-in workspace tools . 2560 8c720d3 Thanks @mattzcarey ! - Think's workspace is now a Workspace from @cloudflare/computer , a new peer dependency. See Upgrading to a Computer workspace . 2562 db4303c Thanks @mattzcarey ! - Think no longer depends on @cloudflare/shell , and the execute tool's state option is removed. See Code Execution Tool . 2565 f56cd20 Thanks @mattzcarey ! - createExecuteTool and createExecuteRuntime are deprecated in favour of exec with a ws:tools module. See Calling the agent's tools from code . Patch Changes 2615 05843e4 Thanks @mattzcarey ! - Chat recovery now seals a turn after…

## 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.