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At OpenAI DevDay 2026, OpenAI announced an upgrade to ChatGPT plugin extensions: developers can build in-app experiences in ChatGPT, give plugins a dedicated sidebar entry, build interactive panels for working alongside a conversation, or create viewers for supported file types, with plugin-building tools and a redesigned submission flow; OpenAI is also improving how plugins are sorted and recommended in the directory and in conversations, while users keep control over which plugins to use and approve access individually. Business, Enterprise, healthcare, and Education plans can connect supported ChatGPT plugins to a self-built site, letting team members sign in to the same app with their own permissions and their own connected data, and adding and managing automations has been simplified. OpenAI also said it is adding support for the proposed MCP event spec, so plugins can start automations when events occur in connected apps—for example, watching a project board for new tasks and drafting a plan from linked documents.

Why it matters: Turning plugins into event-triggered automation entry points moves ChatGPT further toward an enterprise workflow platform.

OpenAI·ChatGPT·Model Context Protocol