Update server_http.py

server_http.py

@@ -380,8 +380,8 @@ async def mcp_endpoint(
 # ============================================================================
 
 @app.get("/")
-async def root():
-    """Root endpoint with server info."""
+async def root_info():
+    """Root endpoint with server info (GET only)."""
     return {
         "name": "Healthcare API MCP",
         "version": "1.0.0",
@@ -389,7 +389,7 @@ async def root():
         "protocolVersion": MCP_PROTOCOL_VERSION,
         "providers": list(providers.keys()),
         "endpoints": {
-            "mcp": "/mcp (POST) - MCP Streamable HTTP endpoint (recommended)",
+            "mcp": "/ or /mcp (POST) - MCP Streamable HTTP endpoint",
             "legacy": {
                 "tools": "/mcp/tools (GET) - List tools (legacy)",
                 "call": "/mcp/call (POST) - Execute tool (legacy)",
@@ -399,6 +399,15 @@ async def root():
     }
 
 
+@app.post("/")
+async def root_mcp(
+    request: Request,
+    mcp_session_id: Optional[str] = Header(None, alias="Mcp-Session-Id")
+):
+    """Root MCP endpoint - same as /mcp for compatibility."""
+    return await mcp_endpoint(request, mcp_session_id)
+
+
 @app.get("/health")
 async def health_check():
     """Health check endpoint."""
@@ -544,4 +553,4 @@ if __name__ == "__main__":
         host="0.0.0.0",
         port=7860,
         log_level="info"
-    )
+    )