diff --git a/server.json b/server.json
index badd2dd6..3561bbd1 100644
--- a/server.json
+++ b/server.json
@@ -14,8 +14,8 @@
       "headers": [
         {
           "name": "Authorization",
-          "description": "Apify API token for authentication with Apify platform services. For example 'Bearer <apify-api-token>'",
-          "isRequired": true,
+          "description": "Optional Apify API token. Required for the default tool set and non-public tools. Anonymous access is available with ?tools=search-actors,fetch-actor-details,search-apify-docs,fetch-apify-docs.",
+          "isRequired": false,
           "isSecret": true
         }
       ]
diff --git a/src/server_card.ts b/src/server_card.ts
index bafd3a01..7f46cdae 100644
--- a/src/server_card.ts
+++ b/src/server_card.ts
@@ -55,7 +55,7 @@ export function getServerCard(): ServerCard {
             tools: { listChanged: true },
         },
         authentication: {
-            required: true,
+            required: false,
             schemes: ['bearer', 'oauth2'],
         },
         tools: 'dynamic',
diff --git a/tests/unit/server_card.test.ts b/tests/unit/server_card.test.ts
index 7b7c3d8d..4524e19a 100644
--- a/tests/unit/server_card.test.ts
+++ b/tests/unit/server_card.test.ts
@@ -6,7 +6,17 @@ import { getServerCard, getServerInfo } from '../../src/server_card.js';
 import { readJsonFile } from '../../src/utils/generic.js';
 import { getPackageVersion } from '../../src/utils/version.js';
 
-const serverJson = readJsonFile<{ description: string }>(import.meta.url, '../../server.json');
+const serverJson = readJsonFile<{
+    description: string;
+    remotes: {
+        headers: {
+            name: string;
+            description: string;
+            isRequired: boolean;
+            isSecret: boolean;
+        }[];
+    }[];
+}>(import.meta.url, '../../server.json');
 
 describe('getServerCard', () => {
     it('should return a valid MCP server card object', () => {
@@ -38,13 +48,23 @@ describe('getServerCard', () => {
         expect(card.capabilities.tools.listChanged).toBe(true);
     });
 
-    it('should require authentication with bearer and oauth2 schemes', () => {
+    it('declares authentication as optional with bearer and oauth2 schemes', () => {
         const card = getServerCard();
 
-        expect(card.authentication.required).toBe(true);
+        expect(card.authentication.required).toBe(false);
         expect(card.authentication.schemes).toEqual(['bearer', 'oauth2']);
     });
 
+    it('declares the authorization header as optional for selected public tools', () => {
+        const authorizationHeader = serverJson.remotes[0].headers.find((header) => header.name === 'Authorization');
+
+        expect(authorizationHeader).toMatchObject({
+            isRequired: false,
+            isSecret: true,
+        });
+        expect(authorizationHeader?.description).toContain('?tools=');
+    });
+
     it('should declare tools as dynamic', () => {
         const card = getServerCard();