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Description
Describe the bug
I'm using OpenAI Responses API and the remote GitHub MCP server with PAT authentication. Starting a few days ago I noticed that the first interaction works fine, but then every subsequent tool call fails. This used to work fine.
Some users report settingstateless_http=True in the MCP server itself seems to fix this issue (Source).
"name":"list_pull_requests","server_label":"github","type":"mcp_call","error": {"type":"mcp_protocol_error","code":32600,"message":"Session terminated" },
Affected version
latest
Steps to reproduce the behavior
response=awaitllm.responses.create(model="gpt-4.1",tools=[Mcp(server_label="github",server_url="https://api.githubcopilot.com/mcp/",type="mcp",headers={"Authorization":f"Bearer{GITHUB_PAT}", },require_approval="never", ) ],input="what is my github username? how many issues do i have open?")print(response.model_dump_json(indent=2))
Expected vs actual behavior
The session should persist for multiple tool calls.