KiCad MCP agent stack (Claude Code + MCP servers)ECADConfidence: Medium
An engineer running Claude Code against KiCad found the agent kept repeating a stale claim of 19 DRC violations that lived on in prose docs. MCP tool summaries cannot be treated as live numbers; only DRC message text and actual exports are authoritative.
From the 2026-10-07 pain-radar digest (finding 3): real engineer, production board, every rule in the manual names a rework round it cost. First-person evidence, but from one builder's repo. Cost model assumes repeated manual verification of every geometric claim the agent makes.