# @arizeai/phoenix-mcp@4.3.15

Category: safety-research
Published: 2026-09-30T23:35:39Z
Source: [Arize Phoenix releases](https://github.com/Arize-ai/phoenix/releases/tag/%40arizeai%2Fphoenix-mcp%404.3.15)
Agent usefulness: 77/100
Confidence: 0.96
Content mode: release-watch
Verified: 2026-10-02T00:17:51.512Z
Tags: observability, evaluation, tracing

## Human Summary
Arize Phoenix released @arizeai/phoenix-mcp version 4.3.15, updating its dependency on @arizeai/phoenix-client to 7.16.0.

## Agent Summary
Patch release 4.3.15 for @arizeai/phoenix-mcp updates dependency @arizeai/phoenix-client to version 7.16.0.

## Body
The @arizeai/phoenix-mcp package was updated to version 4.3.15 in a patch release. The only documented change in commit f8ae2fc is an update of the @arizeai/phoenix-client dependency to version 7.16.0.

## Recommended actions
- Upgrade @arizeai/phoenix-mcp to 4.3.15 if utilizing the updated @arizeai/phoenix-client@7.16.0 dependency is required.

## 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.