fix(config): Add support for MCP server configuration parameters (#812)

* fix(config): Add support for MCP server configuration parameters

* refact: rename the sse_readtimeout to sse_read_timeout

* update the code with review comments

* update the MCP document for the latest change

src/server/app.py

@@ -1046,13 +1046,16 @@ async def mcp_server_metadata(request: MCPServerMetadataRequest):
         )
 
     try:
-        # Set default timeout with a longer value for this endpoint
-        timeout = 300  # Default to 300 seconds for this endpoint
+        # Set default timeout for this endpoint (configurable via env)
+        timeout = get_int_env("MCP_DEFAULT_TIMEOUT_SECONDS", 60)
 
         # Use custom timeout from request if provided
         if request.timeout_seconds is not None:
             timeout = request.timeout_seconds
 
+        # Get sse_read_timeout from request if provided
+        sse_read_timeout = request.sse_read_timeout
+
         # Load tools from the MCP server using the utility function
         tools = await load_mcp_tools(
             server_type=request.transport,
@@ -1062,6 +1065,7 @@ async def mcp_server_metadata(request: MCPServerMetadataRequest):
             env=request.env,
             headers=request.headers,
             timeout_seconds=timeout,
+            sse_read_timeout=sse_read_timeout,
         )
 
         # Create the response with tools