llms.txt

# kicad-happy

> AI-powered design review skills for KiCad electronics projects

A suite of 11 skills that turn an AI coding agent into an electronics design assistant. Structured Python analysis scripts (zero dependencies, Python 3.10+ stdlib only) for KiCad 5-10 projects. Works with Claude Code, OpenAI Codex, Cursor, and Google Antigravity.

Capabilities: schematic analysis (40+ subcircuit detectors), PCB layout review, EMC pre-compliance (44 rules), SPICE simulation, thermal analysis, component sourcing (DigiKey/Mouser/LCSC/element14), BOM management, manufacturing prep (JLCPCB/PCBWay), and professional documentation generation.

Install: `/plugin marketplace add aklofas/kicad-happy` (Claude Code), `agy plugin install kicad-happy` after cloning (Antigravity / Gemini), or clone and symlink skills.

## Documentation

- [Contributing Guide](https://github.com/aklofas/kicad-happy/blob/main/CONTRIBUTING.md): How detectors work, how to add skills, test harness, code style
- [Validation Summary](https://github.com/aklofas/kicad-happy/blob/main/VALIDATION.md): Test methodology, 5,800+ project corpus, 2.7M+ regression assertions
- [Release notes](https://github.com/aklofas/kicad-happy/blob/main/release-notes.md): Per-release stories with upgrade notes
- [Changelog](https://github.com/aklofas/kicad-happy/blob/main/CHANGELOG.md): Full release history

## Core Skills

- [Schematic Analysis](https://github.com/aklofas/kicad-happy/blob/main/skills/kicad/SKILL.md): Parse .kicad_sch files, detect 40+ subcircuit types, compute voltages/frequencies/currents, validate component values against datasheets
- [EMC Pre-Compliance](https://github.com/aklofas/kicad-happy/blob/main/skills/emc/SKILL.md): 42 rule checks across 17 categories — ground planes, decoupling, switching harmonics, PDN impedance, diff pairs, board edge radiation
- [SPICE Simulation](https://github.com/aklofas/kicad-happy/blob/main/skills/spice/SKILL.md): Auto-generated testbenches for 17 subcircuit types, Monte Carlo tolerance analysis, multi-simulator support
- [BOM Management](https://github.com/aklofas/kicad-happy/blob/main/skills/bom/SKILL.md): Multi-supplier pricing, order file export, lifecycle auditing

## Sourcing Skills

- [DigiKey](https://github.com/aklofas/kicad-happy/blob/main/skills/digikey/SKILL.md): OAuth 2.0 API integration, datasheet sync, part search
- [Mouser](https://github.com/aklofas/kicad-happy/blob/main/skills/mouser/SKILL.md): API key auth, part search, pricing
- [LCSC](https://github.com/aklofas/kicad-happy/blob/main/skills/lcsc/SKILL.md): Free jlcsearch community API, no auth required
- [element14](https://github.com/aklofas/kicad-happy/blob/main/skills/element14/SKILL.md): Newark/Farnell API, international sourcing

## Optional

- [JLCPCB](https://github.com/aklofas/kicad-happy/blob/main/skills/jlcpcb/SKILL.md): BOM/CPL format, assembly constraints, basic vs extended parts
- [PCBWay](https://github.com/aklofas/kicad-happy/blob/main/skills/pcbway/SKILL.md): Turnkey assembly rules, MPN-based sourcing