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fix: update MCP Apps _meta.ui.resourceUri to use nested format (SEP-1865) #6372

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Merged
alexhancock merged 1 commit into from
Jan 7, 2026
Merged

fix: update MCP Apps _meta.ui.resourceUri to use nested format (SEP-1865) #6372

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18 changes: 10 additions & 8 deletions ui/desktop/src/components/ToolCallWithResponse.tsx
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Original file line number Diff line number Diff line change
Expand Up @@ -24,19 +24,21 @@ interface ToolGraphNode {
depends_on: number[];
}

type UiMeta = {
ui?: {
resourceUri?: string;
};
};

type ToolResultWithMeta = {
status?: string;
value?: CallToolResponse & {
_meta?: {
'ui/resourceUri'?: string;
};
_meta?: UiMeta;
};
};

type ToolRequestWithMeta = ToolRequestMessageContent & {
_meta?: {
'ui/resourceUri'?: string;
};
_meta?: UiMeta;
toolCall: {
status: 'success';
value: {
Expand Down Expand Up @@ -78,12 +80,12 @@ function maybeRenderMCPApp(
append?: (value: string) => void
): React.ReactNode {
const requestWithMeta = toolRequest as ToolRequestWithMeta;
let resourceUri = requestWithMeta._meta?.['ui/resourceUri'];
let resourceUri = requestWithMeta._meta?.ui?.resourceUri;

if (!resourceUri && toolResponse) {
const resultWithMeta = toolResponse.toolResult as ToolResultWithMeta;
if (resultWithMeta?.status === 'success' && resultWithMeta.value) {
resourceUri = resultWithMeta.value._meta?.['ui/resourceUri'];
resourceUri = resultWithMeta.value._meta?.ui?.resourceUri;
}
}

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