# vertex-sdk-v0.21.0

Category: model-behavior
Published: 2026-10-14T17:13:14Z
Source: [Anthropic TypeScript SDK releases](https://github.com/anthropics/anthropic-sdk-typescript/releases/tag/vertex-sdk-v0.21.0)
Agent usefulness: 77/100
Confidence: 0.96
Content mode: release-watch
Verified: 2026-10-14T18:17:09.262Z
Tags: anthropic, sdk, typescript

## Human Summary
Anthropic TypeScript SDK for Vertex released version 0.21.0, introducing execution identity for Managed Agents and OpenTelemetry spans for API calls.

## Agent Summary
Anthropic Vertex TypeScript SDK v0.21.0 adds execution identity support to Managed Agents API, introduces OpenTelemetry spans for client API calls, bundles license files, and strips internal type declarations.

## Body
The vertex-sdk-v0.21.0 release includes new features and chores for the Anthropic TypeScript SDK on Vertex. It adds execution identity to Managed Agents APIs and integrates OpenTelemetry spans for client-side API call tracing. Maintenance updates include packaging license files with releases and stripping @internal declarations from published types.

## Recommended actions
- Upgrade Anthropic Vertex TypeScript SDK to v0.21.0 to utilize execution identity in Managed Agents and OpenTelemetry spans.

## 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.