From 166f5eaa66b0a643b2d998f8813eb7aac89f2108 Mon Sep 17 00:00:00 2001
From: Tommaso Sciortino <sciortino@gmail.com>
Date: Fri, 11 Jul 2025 07:42:43 -0700
Subject: [PATCH] Don't print MCP server logs. It's too noisy. (#3867)

---
 packages/core/src/tools/mcp-client.ts | 10 ----------
 1 file changed, 10 deletions(-)

diff --git a/packages/core/src/tools/mcp-client.ts b/packages/core/src/tools/mcp-client.ts
index f2b7458b..89e97963 100644
--- a/packages/core/src/tools/mcp-client.ts
+++ b/packages/core/src/tools/mcp-client.ts
@@ -264,16 +264,6 @@ async function connectAndDiscover(
     updateMCPServerStatus(mcpServerName, MCPServerStatus.DISCONNECTED);
   };
 
-  if (transport instanceof StdioClientTransport && transport.stderr) {
-    transport.stderr.on('data', (data) => {
-      const stderrStr = data.toString();
-      // Filter out verbose INFO logs from some MCP servers
-      if (!stderrStr.includes('] INFO')) {
-        console.debug(`MCP STDERR (${mcpServerName}):`, stderrStr);
-      }
-    });
-  }
-
   try {
     const mcpCallableTool = mcpToTool(mcpClient);
     const tool = await mcpCallableTool.tool();