# @arizeai/phoenix-mcp@4.3.16

Category: safety-research
Published: 2026-10-09T22:00:58Z
Source: [Arize Phoenix releases](https://github.com/Arize-ai/phoenix/releases/tag/%40arizeai%2Fphoenix-mcp%404.3.16)
Agent usefulness: 77/100
Confidence: 0.96
Content mode: release-watch
Verified: 2026-10-10T18:17:33.565Z
Tags: observability, evaluation, tracing

## Human Summary
Arize Phoenix released @arizeai/phoenix-mcp version 4.3.16, updating the dependency @arizeai/phoenix-client to version 7.16.1.

## Agent Summary
Arize Phoenix released @arizeai/phoenix-mcp@4.3.16 . The patch updates the @arizeai/phoenix-client dependency to version 7.16.1.

## Body
Patch release 4.3.16 for @arizeai/phoenix-mcp includes dependency updates, bumping @arizeai/phoenix-client to version 7.16.1 (commit 7b9f900 ).

## Recommended actions
- Update @arizeai/phoenix-mcp to version 4.3.16 if using Phoenix MCP with the latest client dependency.

## 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.