register-debug

An embedded-systems debugging guide for checking hardware registers, which are small memory locations used to control and inspect devices. It covers CMSIS-SVD files, bit fields, common mistakes, and a debugging workflow.

In plain words
What is it for?
Use it when debugging microcontroller peripherals, checking register values, or working with CMSIS-SVD descriptions.
Why use it?
It helps reduce errors when reading or changing individual register bits and gives a checklist for investigating register-related problems.

Skill for Claude CodeCodex

Install

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.

agentmods
npx agentmods add skills/wangjianjq/skill/register-debug
Any agent
npx skills add wangjianjq/Skill --skill register-debug
Clone the repo
git clone --depth 1 https://github.com/wangjianjq/Skill

Made for: Claude Code, Codex.

Per session 0 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 554 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 0 findings. Scan, not verified.
Origin unknown No closer match found in the catalogue.
Token cost

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.

ModelPer sessionOnce invoked
Fable 5 $0.00000 $0.00554
Opus 5 $0.00000 $0.00277
Sonnet 5 $0.00000 $0.00111
Haiku 4.5 $0.00000 $0.00055

Measured 2d ago against content hash 2947ed4b4849, method: parsed. Prices are Anthropic first-party input rates as of 2026-08-30, from the pricing page.

Security

Grade A, and why

register-debug 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 2d 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.

.agents/skills/register-debug/SKILL.md · 38 lines

The source is not reproduced here

No licence file

A repository with no LICENSE is all rights reserved by default, so the body is not copied here. The metadata, the measurements and the link are.

Read it on GitHub

Changes

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.

  1. 2d ago First seen · 38 lines · 0 tokens per session scan A 2947ed4b4849

Subscribe to this mod's changes

register-debug is a skill published in the GitHub repository wangjianjq/Skill (23 stars, last pushed 6mo ago), with no licence file. It costs nothing until one of its globs matches a file; then it loads 554 tokens. 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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