andrewklofas

Hit this exact wall six months back building Claude Code stuff for KiCad review[1]. First pass let Claude read .kicad_sch directly via grep/read. It happily invented pin numbers that didn't exist. Rewrote it with Python analyzers that spit out JSON, now Claude just reads the JSON, problem mostly went away.

Curious how spicelib-mcp handles models that aren't in the bundled library. Do you pass the .lib path as a tool arg, or does the server own a registry?

[1] https://github.com/aklofas/kicad-happy

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iterateoften

Beware. I had Claude code with opus building boards and using spice simulations. It completely hallucinated the capabilities of the board and made some pretty crazy claims like I had just stumbled onto the secret hardware billion dollar project that every home needed.

None of the boards worked and I had to just do the project in codex. Opus seemed too busy congratulating itself to realize it produced gibberish.

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Scene_Cast2

I've found that having LLMs work with mermaid diagrams makes describing and modifying circuits less annoying.

Archit3ch

Nice! Doing something similar with a Jumperless so that the model can reconfigure the circuit on the fly.

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hulitu

Measure with a micrometer, mark with a pencil, cut with an axe.

vomayank

Very cool idea closing the loop between simulation and real hardware.

Have you found the MCP-driven workflow reliable enough for repeated testing cycles, or does it still need manual verification at key steps?

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