1 files changed, 92 insertions, 0 deletions
diff --git a/apps/mcp/src/utils.ts b/apps/mcp/src/utils.ts
new file mode 100644
index 00000000..26a86436
--- /dev/null
+++ b/apps/mcp/src/utils.ts
@@ -0,0 +1,92 @@
+import { CallToolResult } from "@modelcontextprotocol/sdk/types";
+
+import { KarakeepAPISchemas } from "@karakeep/sdk";
+
+export function toMcpToolError(
+  error: { code: string; message: string } | undefined,
+): CallToolResult {
+  return {
+    isError: true,
+    content: [
+      {
+        type: "text",
+        text: error ? JSON.stringify(error) : `Something went wrong`,
+      },
+    ],
+  };
+}
+
+interface CompactBookmark {
+  id: string;
+  createdAt: string;
+  title: string;
+  summary: string;
+  note: string;
+  content:
+    | {
+        type: "link";
+        url: string;
+        description: string;
+        author: string;
+        publisher: string;
+      }
+    | {
+        type: "text";
+        sourceUrl: string;
+      }
+    | {
+        type: "media";
+        assetId: string;
+        assetType: string;
+        sourceUrl: string;
+      }
+    | {
+        type: "unknown";
+      };
+  tags: string[];
+}
+
+export function compactBookmark(
+  bookmark: KarakeepAPISchemas["Bookmark"],
+): CompactBookmark {
+  let content: CompactBookmark["content"];
+  if (bookmark.content.type === "link") {
+    content = {
+      type: "link",
+      url: bookmark.content.url,
+      description: bookmark.content.description ?? "",
+      author: bookmark.content.author ?? "",
+      publisher: bookmark.content.publisher ?? "",
+    };
+  } else if (bookmark.content.type === "text") {
+    content = {
+      type: "text",
+      sourceUrl: bookmark.content.sourceUrl ?? "",
+    };
+  } else if (bookmark.content.type === "asset") {
+    content = {
+      type: "media",
+      assetId: bookmark.content.assetId,
+      assetType: bookmark.content.assetType,
+      sourceUrl: bookmark.content.sourceUrl ?? "",
+    };
+  } else {
+    content = {
+      type: "unknown",
+    };
+  }
+
+  return {
+    id: bookmark.id,
+    createdAt: bookmark.createdAt,
+    title: bookmark.title
+      ? bookmark.title
+      : ((bookmark.content.type === "link"
+          ? bookmark.content.title
+          : undefined) ?? ""),
+    summary: bookmark.summary ?? "",
+    note: bookmark.note ?? "",
+    content,
+    tags: bookmark.tags.map((t) => t.name),
+  };
+}