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ChatGPT Now Supports WebMCP
OpenAI has added WebMCP support to ChatGPT's desktop browser, allowing the model to interact directly with website tools rather than scraping user interfaces.
What: WebMCP allows ChatGPT to interface with websites through structured tool definitions. This enables the model to perform actions—like navigating forms or clicking elements—by interacting with a site's underlying programmatic API or toolset.
Why it matters: This transition moves agents from being 'readers' of HTML to 'executors' of web tools, significantly increasing the reliability of agentic workflows on the open web.
Takeaway: If you maintain a website, review your tool definitions to ensure they are compatible with agentic access.
Decoder
- WebMCP: Model Context Protocol for the web, a standard that allows AI models to connect to external data sources and tools through standardized interfaces.
Original article
OpenAI's ChatGPT desktop app's built-in browser and ChatGPT Sites now support WebMCP. ChatGPT and Codex can now use compatible websites' tools instead of guessing its way through the interface. Website teams should design, test, and understand the complete agent experience because users can now be agents, or a person and agent browsing together.
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