From 38afdb71ff29160543eb8988ca3123df66d07d4a Mon Sep 17 00:00:00 2001 From: Yuta Saito Date: Mon, 19 Jan 2026 06:03:10 +0900 Subject: [PATCH] fix: Prevent MCP responses from reviving past tool calls via previous_response_id --- litellm/responses/mcp/mcp_streaming_iterator.py | 1 - 1 file changed, 1 deletion(-) diff --git a/litellm/responses/mcp/mcp_streaming_iterator.py b/litellm/responses/mcp/mcp_streaming_iterator.py index c00c2a2f3b2..ac040d3d6ec 100644 --- a/litellm/responses/mcp/mcp_streaming_iterator.py +++ b/litellm/responses/mcp/mcp_streaming_iterator.py @@ -655,7 +655,6 @@ class MCPEnhancedStreamingIterator(BaseResponsesAPIStreamingIterator): follow_up_params.update( { "input": follow_up_input, - "previous_response_id": self.collected_response.id, # type: ignore[attr-defined] "stream": True, } )