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fix(stdio): skip non-JSON lines in ReadBuffer (#1762)

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Co-authored-by: Sahar Shemesh <sahar.shemesh@zoominfo.com>
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Felix Weinberger 2026-03-27 13:32:51 +00:00 • committed by GitHub
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'@modelcontextprotocol/core': patch
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`ReadBuffer.readMessage()` now silently skips non-JSON lines instead of throwing `SyntaxError`. This prevents noisy `onerror` callbacks when hot-reload tools (tsx, nodemon) write debug output like "Gracefully restarting..." to stdout. Lines that parse as JSON but fail JSONRPC schema validation still throw.