From a443af2389a48134f75b74f3c531ee192215a0f8 Mon Sep 17 00:00:00 2001
From: hukla <129692708+huklaa@users.noreply.github.com>
Date: Wed, 19 Aug 2026 03:01:28 +0300
Subject: [PATCH] fix: keep MCP stdio logs off stdout

---
 index.ts | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/index.ts b/index.ts
index a43205d..9201bb3 100644
--- a/index.ts
+++ b/index.ts
@@ -5,6 +5,11 @@ import { getGuide} from "./tools.js";
 import { getGuideParams } from "./params.js";
 import { fetchAndUpdateSidebar } from "./sidebar.js";
 
+// stdout is reserved for MCP protocol traffic when using stdio transport.
+// Route application diagnostics to stderr so console.log calls in helpers
+// cannot corrupt protocol messages.
+console.log = console.error.bind(console);
+
 // Initialize the server
 const server = new McpServer({
   name: "docs-mcp",