Not always. WebMCP is a serious direction for exposing structured actions to AI agents, but it remains an emerging layer. The right reflex is to verify the foundations first: semantic HTML, named forms, accessibility, visual stability, internal linking, structured data and governance.
A site with poorly connected forms, ambiguous buttons or a DOM that changes after hydration does not become reliable simply because it adds WebMCP. The tool can reduce ambiguity, but it does not replace a clean interface.
For a SaaS, transactional site, marketplace or website with complex journeys, WebMCP may belong on the roadmap. In that case, the agentic readiness audit helps determine whether the site is ready for that layer or must first correct its action signals.