OpenAI Demos WebMCP Annotations: Guiding Agents in ChatGPT's Browser
reach_vb · x · 2026-10-13
OpenAI Devs showcased a WebMCP + custom annotations use case: developer @kagigz uses custom annotation controls and suggested prompts to help users edit scenes and update expenses directly in ChatGPT's built-in browser.
Per OpenAI, annotations paired with WebMCP give agents more context to act on — telling them what to do on the page.
Related event: OpenAI Introduces WebMCP Annotations Extension for Browser Agents(3 posts)→
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