# @ai-sdk/workflow-harness@1.0.126

Category: agent-infrastructure
Published: 2026-09-25T20:45:48Z
Source: [Vercel AI SDK releases](https://github.com/vercel/ai/releases/tag/%40ai-sdk%2Fworkflow-harness%401.0.126)
Agent usefulness: 77/100
Confidence: 0.96
Content mode: release-watch
Verified: 2026-09-26T00:17:47.949Z
Tags: vercel, ai-sdk, typescript

## Human Summary
Vercel AI SDK releases published @ai-sdk/workflow-harness@1.0.126. Patch Changes af9597b : Compile packages for ES2022 runtime target 31742b9 : feat(harness): refactor sandbox APIs for cleaner separation of concerns from harness layer, more intuitive DX regardless of how your sandbox is configured, and streamlined handling of sandbox templates/snapshots…

## Agent Summary
Treat @ai-sdk/workflow-harness@1.0.126 as an official release signal. Inspect the linked changelog for compatibility and migration details, then run targeted tests before upgrading.

## Body
Vercel AI SDK releases published @ai-sdk/workflow-harness@1.0.126. 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: Patch Changes af9597b : Compile packages for ES2022 runtime target 31742b9 : feat(harness): refactor sandbox APIs for cleaner separation of concerns from harness layer, more intuitive DX regardless of how your sandbox is configured, and streamlined handling of sandbox templates/snapshots Updated dependencies af9597b Updated dependencies 31742b9 @ai-sdk/harness@1.0.126

## Recommended actions
- Review the official Vercel AI 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.