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Title: fix: exit stdio server cleanly on interrupt by he-yufeng · Pull Request #2745 · modelcontextprotocol/python-sdk · GitHub

Open Graph Title: fix: exit stdio server cleanly on interrupt by he-yufeng · Pull Request #2745 · modelcontextprotocol/python-sdk

X Title: fix: exit stdio server cleanly on interrupt by he-yufeng · Pull Request #2745 · modelcontextprotocol/python-sdk

Description: Summary catch KeyboardInterrupt at the synchronous MCPServer.run() boundary keep normal transport errors unchanged add a regression test for the stdio branch so Ctrl-C exits without re-raising through AnyIO To verify .\.venv\Scripts\python.exe -m pytest tests\server\mcpserver\test_server.py::TestServer::test_stdio_keyboard_interrupt_exits_cleanly -q .\.venv\Scripts\python.exe -m ruff check src\mcp\server\mcpserver\server.py tests\server\mcpserver\test_server.py .\.venv\Scripts\python.exe -m ruff format --check src\mcp\server\mcpserver\server.py tests\server\mcpserver\test_server.py .\.venv\Scripts\pyright.exe src\mcp\server\mcpserver\server.py tests\server\mcpserver\test_server.py git diff --check Refs #2663

Open Graph Description: Summary catch KeyboardInterrupt at the synchronous MCPServer.run() boundary keep normal transport errors unchanged add a regression test for the stdio branch so Ctrl-C exits without re-raising thr...

X Description: Summary catch KeyboardInterrupt at the synchronous MCPServer.run() boundary keep normal transport errors unchanged add a regression test for the stdio branch so Ctrl-C exits without re-raising thr...

Opengraph URL: https://github.com/modelcontextprotocol/python-sdk/pull/2745

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fix: exit stdio server cleanly on interrupt https://github.com/modelcontextprotocol/python-sdk/pull/2745/files#top
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60d99f3 fix: exit stdio server cleanly on interrupt he-yufeng Jun 1, 2026 https://github.com/modelcontextprotocol/python-sdk/pull/2745/commits/60d99f3f3811b39dafd64d47746ec58c2ca7af50
9ddabd2 test: cover interrupt exit for all transports he-yufeng Jun 4, 2026 https://github.com/modelcontextprotocol/python-sdk/pull/2745/commits/9ddabd2689dbbdbe3d8e571f6e9677e86b513f1c
bc50210 test: align transport coverage markers he-yufeng Jun 4, 2026 https://github.com/modelcontextprotocol/python-sdk/pull/2745/commits/bc5021073a65956aa1c950e91ef910217f3ee55b
9d42000 test: tolerate dependency stderr warnings he-yufeng Jun 4, 2026 https://github.com/modelcontextprotocol/python-sdk/pull/2745/commits/9d420008797bf0b4f1f8d33b9b64cbd9cc0c1c22
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