From ba080bb88c6f953723887e958ffe596132358322 Mon Sep 17 00:00:00 2001
From: Harshit Jain <48647625+Harshit28j@users.noreply.github.com>
Date: Sat, 21 Mar 2026 00:21:10 +0530
Subject: [PATCH] Update litellm/proxy/_experimental/mcp_server/server.py

Co-authored-by: greptile-apps[bot] <165735046+greptile-apps[bot]@users.noreply.github.com>
---
 .../proxy/_experimental/mcp_server/server.py   | 18 ++++++------------
 1 file changed, 6 insertions(+), 12 deletions(-)

diff --git a/litellm/proxy/_experimental/mcp_server/server.py b/litellm/proxy/_experimental/mcp_server/server.py
index 85574bd506d..bcbf4f75ef9 100644
--- a/litellm/proxy/_experimental/mcp_server/server.py
+++ b/litellm/proxy/_experimental/mcp_server/server.py
@@ -378,25 +378,19 @@ if MCP_AVAILABLE:
                 body_data["litellm_trace_id"] = chain_id
                 body_data["litellm_session_id"] = chain_id
 
+            _scope_headers: list[tuple[bytes, bytes]] = [
+                (b"content-type", b"application/json"),
+            ]
             _scope_headers: list[tuple[bytes, bytes]] = [
                 (b"content-type", b"application/json"),
             ]
             if raw_headers:
-                try:
+                for k, v in raw_headers.items():
+                    if k.lower() == "content-type":
+                        continue  # already added above
                     _scope_headers.append(
                         (k.lower().encode("latin-1"), v.encode("latin-1"))
                     )
-                except (UnicodeEncodeError, UnicodeDecodeError):
-                    verbose_logger.debug(
-                        f"Skipping header {k!r}: contains non-Latin-1 characters"
-                    )
-            request = Request(
-                scope={
-                    "type": "http",
-                    "method": "POST",
-                    "path": "/mcp/tools/call",
-                    "headers": _scope_headers,
-                }
             )
             if user_api_key_auth is not None:
                 data = await add_litellm_data_to_request(