Getting it into your agent
One page per mod, every tool's command on it. A separate URL per tool would split the same page into five that compete with each other.
npx agentmods add skills/telagod/code-abyss/designing-hardware-productsnpx skills add telagod/code-abyss --skill designing-hardware-productsgit clone --depth 1 https://github.com/telagod/code-abyssWrote this? Show the measurements
A badge with what this costs and how it scanned, read live from this page, so it follows the numbers instead of freezing them. Markdown for a README, HTML for a documentation site or a project page.
[](https://agentmods.dev/skills/telagod/code-abyss/designing-hardware-products)<a href="https://agentmods.dev/skills/telagod/code-abyss/designing-hardware-products"><img src="https://agentmods.dev/badge/skills/telagod/code-abyss/designing-hardware-products.svg" alt="Measured on agentmods" height="20"></a>What it costs to keep this loaded
Counted locally with the o200k_base tokenizer, which is exact for GPT models; Claude uses its own tokenizer and its counts differ. Treat this as one consistent yardstick across the catalogue rather than a bill. Prices are per million input tokens.
| Model | Per session | Once invoked |
|---|---|---|
| Fable 5.1 | $0.00058 | $0.00879 |
| Opus 5 | $0.00029 | $0.00439 |
| Sonnet 5 | $0.00012 | $0.00176 |
| Haiku 4.5 | $0.00006 | $0.00088 |
Grade A, and why
designing-hardware-products scanned grade A with 0 findings against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured 6d ago.
A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.
Nothing flagged
None of the 26 patterns this scan looks for appear in this file: no shell pipes, no recursive deletes, no credential paths, no hidden text, no instruction-override or anti-refusal phrasing, no agent-config snooping. That is not a guarantee, it is the absence of the things that are checkable.
How it starts
The opening of the file, as written. The whole thing — 75 lines — stays where its author put it; the contents beside it link to each section on GitHub.
Designing Hardware Products
判断先于执行：决定「是否做 / 选什么 / 如何取舍」（栈、方案、架构、权衡）前，先读领域判断内核
skills/_kernel/hardware/SKILL.md——它管 judgment，本秘典管 execution；冲突时以内核判断为准。
From empty directory to shippable product. Requirements in, Gerber + .bin + .apk out.
When to use
| Scenario | Use | Why |
|---|---|---|
| New IoT / embedded product from scratch | Yes | Full pipeline |
| Adding BLE app to existing hardware | Partial | Phase 4 only |
| PCB redesign with existing firmware | Partial | Phase 3 only |
| One-off breadboard prototype | No | Overkill, just wire it |
Pipeline phases
Phase 1: System Design → DESIGN.md (architecture, topology, protocol)
Phase 2: Firmware → ESP-IDF components, FreeRTOS tasks, BLE GATT
Phase 3: Hardware → KiCad schematic → PCB → route → DRC → Gerber
Phase 4: Mobile App → UniApp (BLE, i18n, dev mode, SVG icons)
Phase 5: Verify + Package → build all → zip release
Each phase is independently re-runnable. Skip phases that already exist.
Key decision points
- MCU selection — ESP32-C3 (BLE+WiFi, RISC-V, cheap) vs ESP32-S3 (AI, USB) vs STM32 (low power) vs nRF (BLE-only)
- HV topology — if product needs high voltage (mosquito swatter, taser), see references/hv-design.md
- PCB form factor — match physical product shape, not default rectangle
- App framework — UniApp (WeChat+Android+iOS) vs React Native vs Flutter
Companion skills
- operating-kicad-eda — Phase 3 detail, KiCad MCP tool routing
- developing-software — firmware language patterns (C for ESP-IDF)
- developing-mobile-apps — app framework patterns
Usage
/designing-hardware-products "BLE mosquito swatter with kill counting, ESP32-C3, 30x100mm PCB strip"
References
| Topic | File |
|---|---|
| Phase execution details | pipeline-phases.md |
| KiCad 9 gotchas | kicad9-quirks.md |
| ESP-IDF patterns | esp-idf-patterns.md |
| HV circuit design | hv-design.md |
| UniApp patterns | uniapp-patterns.md |
What ships with it
5 files beside SKILL.md in the same directory: the scripts, references and assets a skill reads on demand. Not counted in the per-session cost; read them before you install if any of them is executable.
What this file has done since we first saw it
Hashed on every crawl. A supply-chain change to an agent config is a question of when, not whether, so the history is kept rather than the latest state alone.
- 6d ago First seen · 75 lines · 58 tokens per session scan A ce9eaf89546e
designing-hardware-products is a skill published in the GitHub repository telagod/code-abyss (239 stars, last pushed 1mo ago), licensed MIT. It adds 58 tokens to every session and 879 once invoked, about $0.0003 per session on Opus 5. A static security scan graded it A with 0 findings. No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-30.
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