Copperhead is an open-source AI agent for PCB design on local KiCad files
cneuralnetwork · x · 2026-07-28
Copperhead launches as an open-source “Cursor for circuit boards” that works on local KiCad files.
- It is positioned as an AI agent for PCB design: it can design, document, and validate real boards from a prompt.
- The workflow is spec-driven: the agent starts from a brief, writes design docs, and only then edits the board.
- It keeps the loop grounded with ERC/DRC checks, propagates changes across files, and outputs schematics, gerbers, BOMs, firmware scaffolding, and bring-up plans.
- The project is Apache-2.0, runs on an open stack, and is meant to avoid lock-in.
The post frames it as a way to turn an idea into a manufacturable board in days instead of months.
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