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Make ui.resourceUri optional (for tools that just need visibility) #210

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Merged
ochafik merged 2 commits into from
Jan 8, 2026
Merged

Make ui.resourceUri optional (for tools that just need visibility) #210

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daaf481
Make ui.resourceUri optional (for tools that just need visibility)
ochafik Jan 7, 2026
6bee555
chore: regenerate schemas for optional resourceUri
ochafik Jan 7, 2026
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4 changes: 2 additions & 2 deletions src/spec.types.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -549,12 +549,12 @@ export type McpUiToolVisibility = "model" | "app";
*/
export interface McpUiToolMeta {
/**
* URI of the UI resource to display for this tool.
* URI of the UI resource to display for this tool, if any.
* This is converted to `_meta["ui/resourceUri"]`.
*
* @example "ui://weather/widget.html"
*/
resourceUri: string;
resourceUri?: string;
/**
* @description Who can access this tool. Default: ["model", "app"]
* - "model": Tool visible to and callable by the agent
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