diff --git a/src/vs/workbench/api/common/extHostTypeConverters.ts b/src/vs/workbench/api/common/extHostTypeConverters.ts
index f62a5a7e66c..8f9d3a5612e 100644
--- a/src/vs/workbench/api/common/extHostTypeConverters.ts
+++ b/src/vs/workbench/api/common/extHostTypeConverters.ts
@@ -3555,11 +3555,14 @@ export namespace ChatPromptReference {
 			value = Location.to(revive(value));
 		} else if (isImageVariableEntry(variable)) {
 			const ref = variable.references?.[0]?.reference;
-			value = new types.ChatReferenceBinaryData(
+			const binaryData = new types.ChatReferenceBinaryData(
 				variable.mimeType ?? 'image/png',
 				() => Promise.resolve(new Uint8Array(Object.values(variable.value as number[]))),
 				ref && URI.isUri(ref) ? ref : undefined
 			);
+			binaryData.isPasted = variable.isPasted;
+			binaryData.isURL = variable.isURL;
+			value = binaryData;
 		} else if (variable.kind === 'diagnostic') {
 			const filterSeverity = variable.filterSeverity && DiagnosticSeverity.to(variable.filterSeverity);
 			const filterUri = variable.filterUri && URI.revive(variable.filterUri).toString();
diff --git a/src/vs/workbench/api/common/extHostTypes.ts b/src/vs/workbench/api/common/extHostTypes.ts
index e7ea45cb0bd..2649f68b4a1 100644
--- a/src/vs/workbench/api/common/extHostTypes.ts
+++ b/src/vs/workbench/api/common/extHostTypes.ts
@@ -3841,6 +3841,8 @@ export class ChatReferenceBinaryData implements vscode.ChatReferenceBinaryData {
 	mimeType: string;
 	data: () => Thenable<Uint8Array>;
 	reference?: vscode.Uri;
+	isPasted?: boolean;
+	isURL?: boolean;
 	constructor(mimeType: string, data: () => Thenable<Uint8Array>, reference?: vscode.Uri) {
 		this.mimeType = mimeType;
 		this.data = data;
diff --git a/src/vscode-dts/vscode.proposed.chatReferenceBinaryData.d.ts b/src/vscode-dts/vscode.proposed.chatReferenceBinaryData.d.ts
index 081c24ad8c3..df5095314e2 100644
--- a/src/vscode-dts/vscode.proposed.chatReferenceBinaryData.d.ts
+++ b/src/vscode-dts/vscode.proposed.chatReferenceBinaryData.d.ts
@@ -29,6 +29,17 @@ declare module 'vscode' {
 		 */
 		readonly reference?: Uri;
 
+		/**
+		 * Whether this image was pasted from the clipboard.
+		 */
+		readonly isPasted?: boolean;
+
+		/**
+		 * Whether this image originated from a URL. `true` when it was attached from a URL,
+		 * `false` when it came from a local file, and `undefined` when the origin is unknown.
+		 */
+		readonly isURL?: boolean;
+
 		/**
 		 * @param mimeType The MIME type of the binary data.
 		 * @param data The binary data of the reference.