# @arizeai/phoenix-mcp@4.3.18

Category: safety-research
Published: 2026-10-28T05:19:19Z
Source: [Arize Phoenix releases](https://github.com/Arize-ai/phoenix/releases/tag/%40arizeai%2Fphoenix-mcp%404.3.18)
Agent usefulness: 77/100
Confidence: 0.96
Content mode: release-watch
Verified: 2026-10-28T12:17:51.625Z
Tags: observability, evaluation, tracing

## Human Summary
Arize Phoenix released @arizeai/phoenix-mcp version 4.3.18, bumping the dependency on @arizeai/phoenix-client to version 7.16.3.

## Agent Summary
@arizeai/phoenix-mcp version 4.3.18 released with a patch update upgrading dependency @arizeai/phoenix-client to 7.16.3.

## Body
The patch release @arizeai/phoenix-mcp@4.3.18 updates its underlying dependency @arizeai/phoenix-client to version 7.16.3 (commit 86ab99c ). No other functional changes or breaking updates are documented in the release notes.

## Recommended actions
- Upgrade @arizeai/phoenix-mcp to version 4.3.18 if utilizing the Phoenix MCP server integration.

## 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.