Show MCP page actions for VA & adaptive sites (#4268)

packages/gitbook/src/components/PageBody/PageHeader.tsx

@@ -166,9 +166,21 @@ function getPageActionsURLs({
                   }).toString()}`
               )
             : undefined,
-        mcp:
-            context.site.visibility !== SiteVisibility.VisitorAuth
-                ? context.linker.toAbsoluteURL(context.linker.toPathInSite('~gitbook/mcp'))
-                : undefined,
+        mcp: getPageActionsMCPURL(context),
     };
 }
+
+/**
+ * Return the MCP URL to be used in the page actions dropdown.
+ */
+function getPageActionsMCPURL(context: GitBookSiteContext) {
+    const useAuthenticatedEndpoint = Boolean(
+        context.site.visibility !== SiteVisibility.VisitorAuth &&
+            context.site.adaptiveContent?.enabled &&
+            context.site.urls.login &&
+            context.isLoggedInVisitor
+    );
+    const endpoint = useAuthenticatedEndpoint ? '~gitbook/mcp/auth' : '~gitbook/mcp';
+
+    return context.linker.toAbsoluteURL(context.linker.toPathInSite(endpoint));
+}

packages/gitbook/src/lib/context.ts

@@ -70,6 +70,11 @@ export type SiteURLData = Pick<
      * Computed in middleware from GITBOOK_BLOCK_SEARCH_INDEXATION env var and x-gitbook-search-indexation header.
      */
     noIndexSearch?: boolean;
+
+    /**
+     * Whether the request included a visitor token.
+     */
+    isLoggedInVisitor?: boolean;
 };
 
 /**
@@ -164,6 +169,9 @@ export type GitBookSiteContext = GitBookSpaceContext & {
 
     /** Whether search indexation is blocked for this deployment. */
     noIndexSearch: boolean;
+
+    /** Whether the request included a visitor token. */
+    isLoggedInVisitor: boolean;
 };
 
 /**
@@ -244,6 +252,7 @@ export async function fetchSiteContextByURLLookup(
         contextId: data.contextId,
         isFallback: data.isFallback ?? false,
         noIndexSearch: data.noIndexSearch ?? false,
+        isLoggedInVisitor: data.isLoggedInVisitor ?? false,
     });
 }
 
@@ -264,6 +273,7 @@ export async function fetchSiteContextByIds(
         contextId?: string;
         isFallback: boolean;
         noIndexSearch: boolean;
+        isLoggedInVisitor: boolean;
     }
 ): Promise<GitBookSiteContext> {
     const { dataFetcher } = baseContext;
@@ -388,6 +398,7 @@ export async function fetchSiteContextByIds(
         contextId: ids.contextId,
         isFallback: ids.isFallback,
         noIndexSearch: ids.noIndexSearch,
+        isLoggedInVisitor: ids.isLoggedInVisitor,
     };
 }
 

packages/gitbook/src/middleware.ts

@@ -378,6 +378,7 @@ async function serveSiteRoutes(requestURL: URL, request: NextRequest) {
                 !requestURL.searchParams.has('x-gitbook-search-indexation')
                     ? true
                     : undefined,
+            isLoggedInVisitor: visitorToken ? true : undefined,
         };
 
         const requestHeaders = new Headers(request.headers);