fix: remove redundant /mcp suffix from API endpoints

Author: ahonn

README.md

@@ -82,7 +82,7 @@ Alternatively, connect directly to PageIndex without this wrapper:
   "mcpServers": {
     "pageindex": {
       "type": "http",
-      "url": "https://dash.pageindex.ai/api/mcp/mcp",
+      "url": "https://dash.pageindex.ai/api/mcp",
       "headers": {
         "Authorization": "Bearer <YOUR_PAGEINDEX_API_KEY>"
       }

src/client/mcp-client.ts

@@ -30,7 +30,7 @@ export class PageIndexMcpClient {
 
     await pRetry(
       async () => {
-        const streamableHttpUrl = new URL(`${config.apiUrl}/api/mcp/mcp`);
+        const streamableHttpUrl = new URL(`${config.apiUrl}/api/mcp`);
         streamableHttpUrl.searchParams.set('local_upload', '1');
 
         const sseUrl = new URL(`${config.apiUrl}/api/mcp/sse`);