OpenAI adopts MCP (Agents SDK)

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OpenAI adopted MCP (Agents SDK)

Why it matters

A competitor accepting its rival's standard made it the de facto industry standard

Source — Primary sources first; secondary reports are labelled “Press”

Presstechcrunch.comhttps://techcrunch.com/2025/03/26/openai-adopts-rival-anthropics-standard-for-connecting-ai-models-to-data/

Added in Week 35, 2026 · See that week

On the map — ④ MCP line

  1. Previous stopOperator and the CUA
  2. This record · stopOpenAI adopts MCP
  3. Next stopBuild 2025: Windows 11 gets native MCP; Microsoft joins MCP steering committee
See it on the map

Same week

xAI acquires X Corp in an all-stock dealPressOn the Biology of a Large Language ModelOfficialMCP releases spec 2025-03-26OfficialCourt denies most of the motion to dismiss in NYT v. OpenAIPress

Nearby on the same axis

MCP releases spec 2025-03-26OfficialMicrosoft brings MCP to Copilot StudioOfficialGoogle announces A2A (Agent2Agent) with 50+ partnersOfficialBuild 2025: Windows 11 gets native MCP; Microsoft joins MCP steering committeePress