By fully exposing the .dxt specification and accompanying toolchain, Anthropic is attempting to replicate the success of the browser plug-in ecosystem. This strategy allows developers to 'pack once, run everywhere' and their MCP servers to be integrated with any application that supports the format, while application vendors can directly reuse existing standards instead of reinventing the wheel. This open strategy significantly lowers the barriers to ecosystem participation and lays the groundwork for a cross-platform marketplace for native AI extensions, analogous to what the Chrome Web Store did for the browser ecosystem.
This answer comes from the articleAnthropic's New Game: Can Desktop Extensions Break Down the Installation Barriers for Native AI?The