low-power-debug

low-power-debug is a skill for Claude Code, Codex from easyzoom/aix-skills. It costs 33 tokens per session (706 once invoked), scanned A, original, MIT.

A guide for diagnosing embedded-device sleep modes and power consumption. It examines current measurements, wake-up sources, clocks, peripherals, board leakage, and the sequence used to enter and leave low-power states.

In plain words
What is it for?
Use it for sleep, standby, deep sleep, retention memory, RTC or watchdog wake-up, clock gating, and loss of debugger access in low-power modes.
Why use it?
Unexpected power use or failed wake-ups can be caused by the board, measurement setup, enabled peripherals, or firmware flags. The guide helps identify the real source before changing sleep settings.

Skill for Claude CodeCodex

Written for no agent in particular: nothing here depends on one.

Good fit Use it for sleep, standby, deep sleep, retention memory, RTC or watchdog wake-up, clock gating, and loss of debugger access in low-power modes.

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Install with agentmods
npx agentmods add skills/easyzoom/aix-skills/low-power-debug
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.

Any agent
npx skills add easyzoom/aix-skills --skill low-power-debug
Clone the repo
git clone --depth 1 https://github.com/easyzoom/aix-skills

Made for: Claude Code, Codex.

Wrote 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.

agentmods badge for low-power-debug

README.md
[![agentmods](https://agentmods.dev/badge/skills/easyzoom/aix-skills/low-power-debug.svg)](https://agentmods.dev/skills/easyzoom/aix-skills/low-power-debug)
Your own site
<a href="https://agentmods.dev/skills/easyzoom/aix-skills/low-power-debug"><img src="https://agentmods.dev/badge/skills/easyzoom/aix-skills/low-power-debug.svg" alt="Measured on agentmods" height="20"></a>
Per session 33 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 706 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 0 findings. A grade says what 26 rules found in the file — not that it is safe.
Origin original 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 5.1 $0.00033 $0.00706
Opus 5 $0.00016 $0.00353
Sonnet 5 $0.00007 $0.00141
Haiku 4.5 $0.00003 $0.00071

Measured 8d ago against content hash 4137d3b0f0bc, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-08, from the pricing page.

Security

Grade A, and why

low-power-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 8d 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.

skills/low-power-debug/SKILL.md · 95 lines

How it starts

The opening of the file, as written. The whole thing — 95 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Low Power Debug

Overview

Use this skill to debug low-power behavior by measuring current and wake sources before changing sleep configuration. Low-power bugs often involve board leakage, clocks, wake flags, debug settings, peripheral state, and firmware sequencing.

When To Use

Use this skill when:

  • Current consumption is too high or unexpectedly low.
  • The device fails to enter sleep, cannot wake, wakes immediately, or loses debug access.
  • The task involves sleep, stop, standby, deep sleep, retention RAM, wake pins, RTC, watchdog, clock gating, or PMIC sequencing.

Do not use this skill when the board cannot boot at all; establish basic boot first.

First Questions

Ask for:

  • Chip/board and intended low-power mode.
  • Measured current, expected current, and measurement setup.
  • Wake sources and whether wake flags are available.
  • Debug probe attached or detached during measurement.
  • Peripherals left enabled before sleep.
  • Power rails, external devices, pull-ups, and board revision.

Workflow

  1. Confirm measurement validity. Check meter range, sampling rate, burden voltage, shunt placement, rails included, and whether debugger/USB is attached.

  2. Separate firmware from board leakage. Measure baseline board state, external devices, pull-ups, LEDs, regulators, and sensors.

  3. Confirm intended sleep mode. Verify the actual mode entered, not just the API called.

  4. Capture wake reason. Read wake flags immediately after wake before clearing them.

  5. Disable peripherals methodically. Clocks, UART, ADC, timers, DMA, USB, radio, sensors, and pull configurations can dominate current.

  6. Protect debug access. Warn that deep sleep may disconnect SWD/JTAG. Use timed wake, GPIO heartbeat, or connect-under-reset recovery.

Checks

  • Debugger and semihosting disabled for current measurement.
  • Unused GPIO configured to safe states.
  • External pull-ups/pull-downs not causing leakage.
  • Regulator and sensor quiescent currents accounted for.
  • Wake pins polarity and pull state correct.
  • RTC/LPTIM/watchdog clock source active if used.
  • SRAM/retention domains configured intentionally.
  • Interrupt flags cleared before sleep and read after wake.

Read the full file on GitHub · 95 lines

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. 8d ago First seen · 95 lines · 33 tokens per session scan A 4137d3b0f0bc

Subscribe to this mod's changes

low-power-debug is a skill published in the GitHub repository easyzoom/aix-skills (31 stars, last pushed 1mo ago), licensed MIT. It adds 33 tokens to every session and 706 once invoked, about $0.0002 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.