A KiCad MCP routing tool hit an obstacle-bypass failure, warned, replied "Routed 2 wire segment(s)" and saved the route anyway, shorting CC1 and USB D- to ground on a USB-C plus STM32 schematic. The MCP's own connectivity graph missed it; only a re-export of KiCad's native netlist caught it.
From the Grok pain-radar digest, Oct 20 2026 (7:41 AM to 9:41 AM ET slots). Verified live 2026-10-21: issue/PR read on GitHub; title and state confirmed.