Anthropic and OpenAI cosign UI app layer for MCP

SEP-1865 seeks to formalise MCP-UI as an extension before UI SDKs proliferate, starting with HTML.

By Phillip de Wet

Updated Nov 24, 2025 1:21 PM / Published Nov 24, 2025 1:14 PM 2 min read

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Phillip de Wet

Phillip de Wet started in journalism as an honest B2B IT-sector reporter before straying into business, politics, and international affairs. He is currently in recovery, studying AI while writing about everything from hardware to infosec policy.