diff --git a/assets/js/search-manager.js b/assets/js/search-manager.js
index 395011f..26e1c4e 100644
--- a/assets/js/search-manager.js
+++ b/assets/js/search-manager.js
@@ -26,6 +26,27 @@
     threshold: 0.4,
   };
 
+  const INTERNAL_SEARCH_PATTERNS = [
+    /https:\/\/blogs\.comphy-lab\.org\/Private-ToDo/i,
+    /https:\/\/blogs\.comphy-lab\.org\/0_ToDo/i,
+    /^Private todo blog public/i,
+    /^0_todo blog public/i,
+  ];
+
+  function isInternalSearchEntry(entry) {
+    const entryIdentityText = [entry?.title, entry?.url]
+      .filter(Boolean)
+      .join(" ");
+
+    return INTERNAL_SEARCH_PATTERNS.some((pattern) =>
+      pattern.test(entryIdentityText)
+    );
+  }
+
+  function sanitizeSearchData(data) {
+    return data.filter((entry) => !isInternalSearchEntry(entry));
+  }
+
   /**
    * Loads the search database from the server
    * @returns {Promise<Object[]>} Promise that resolves to search data array
@@ -61,9 +82,14 @@
           );
         }
 
-        searchData = data;
-        console.log(`Search database loaded: ${data.length} items`);
-        return data;
+        const sanitizedData = sanitizeSearchData(data);
+
+        searchData = sanitizedData;
+        console.log(
+          `Search database loaded: ${sanitizedData.length} items ` +
+            `(${data.length - sanitizedData.length} internal items filtered)`
+        );
+        return sanitizedData;
       } catch (error) {
         console.warn("Could not load search database:", error.message);
         searchData = []; // Set empty array to prevent further attempts
diff --git a/tests/search-manager.test.js b/tests/search-manager.test.js
new file mode 100644
index 0000000..6a80385
--- /dev/null
+++ b/tests/search-manager.test.js
@@ -0,0 +1,80 @@
+describe("search-manager sanitization", () => {
+  beforeEach(() => {
+    jest.resetModules();
+    jest.clearAllMocks();
+    document.body.innerHTML = "";
+    delete window.SearchManager;
+    delete window.searchDatabaseForCommandPalette;
+  });
+
+  it("filters internal backlog pages from search results", async () => {
+    global.fetch = jest.fn().mockResolvedValue({
+      ok: true,
+      json: () =>
+        Promise.resolve([
+          {
+            title: "Private todo blog public - Elasticity and viscoelasticity",
+            url:
+              "https://blogs.comphy-lab.org/Private-ToDo-Blog-public/" +
+              "#elasticity-and-viscoelasticity",
+            content: "internal planning item",
+            priority: 3,
+          },
+          {
+            title: "0_todo blog public",
+            url: "https://blogs.comphy-lab.org/0_ToDo-Blog-public/",
+            content: "internal backlog page",
+            priority: 3,
+          },
+          {
+            title: "Teaching - Teaching: Methods",
+            url: "https://comphy-lab.org/teaching/#teaching",
+            content: "public teaching overview",
+            priority: 3,
+          },
+        ]),
+    });
+
+    require("../assets/js/search-manager.js");
+
+    const data = await window.SearchManager.loadSearchDatabase();
+
+    expect(data).toHaveLength(1);
+    expect(data[0].title).toBe("Teaching - Teaching: Methods");
+    expect(data[0].url).toBe("https://comphy-lab.org/teaching/#teaching");
+  });
+
+  it("keeps public pages whose content references internal backlog URLs", async () => {
+    global.fetch = jest.fn().mockResolvedValue({
+      ok: true,
+      json: () =>
+        Promise.resolve([
+          {
+            title: "Skill - Badge Shapes",
+            url: "https://comphy-lab.org/.agents/skills/add-paper/SKILL/#badge-shapes",
+            content:
+              "Example badge config referencing https://blogs.comphy-lab.org/0_ToDo-Blog-public/ for documentation only.",
+            priority: 3,
+          },
+          {
+            title: "Private todo blog public - Elasticity and viscoelasticity",
+            url:
+              "https://blogs.comphy-lab.org/Private-ToDo-Blog-public/" +
+              "#elasticity-and-viscoelasticity",
+            content: "internal planning item",
+            priority: 3,
+          },
+        ]),
+    });
+
+    require("../assets/js/search-manager.js");
+
+    const data = await window.SearchManager.loadSearchDatabase();
+
+    expect(data).toHaveLength(1);
+    expect(data[0].title).toBe("Skill - Badge Shapes");
+    expect(data[0].url).toBe(
+      "https://comphy-lab.org/.agents/skills/add-paper/SKILL/#badge-shapes"
+    );
+  });
+});