fix: update MCP Apps to use new _meta.ui.resourceUri format #28
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- Update @modelcontextprotocol/ext-apps to 0.4.0 - Use new nested format `_meta.ui.resourceUri` in tool definition - Remove resourceUri from tool result (only needed in tool definition) - Add example structuredContent and _meta in tool result for demo
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jerome3o-anthropic
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Jan 14, 2026
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Summary
Updates the MCP Apps example to use the new nested
_meta.ui.resourceUriformat from the spec.Changes
@modelcontextprotocol/ext-appsto 0.4.0_meta: { ui: { resourceUri: "..." } }in tool definitionresourceUrifrom tool result (only needed in tool definition per spec)structuredContentand_metain tool result for demo purposesBefore
After