AI coding tools are becoming a normal part of web development, but they still have a very practical problem: they do not automatically know what changed after their training cutoff. That matters a lot on the web platform. A model might know an older version of a CSS feature. It might miss that a browser shipped support last month. It might confuse two similar APIs. Or it might give you a confident answer about browser compatibility that sounds right but is out of date. MDN’s new MCP server is an attempt to fix that problem at the source.
AI coding tools are becoming a normal part of web development, but they still have a very practical problem: they do not automatically know what changed after their training cutoff.
That matters a lot on the web platform.
A model might know an older version of a CSS feature. It might miss that a browser shipped support last month. It might confuse two similar APIs. Or it might give you a confident answer about browser compatibility that sounds right but is out of date.
MDN’s new MCP server is an attempt to fix that problem at the source.