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 skills add easyzoom/aix-skills --skill mcuboot-integrationgit clone --depth 1 https://github.com/easyzoom/aix-skillsWrote 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/easyzoom/aix-skills/mcuboot-integration)<a href="https://agentmods.dev/skills/easyzoom/aix-skills/mcuboot-integration"><img src="https://agentmods.dev/badge/skills/easyzoom/aix-skills/mcuboot-integration/github.svg" alt="Measured on agentmods" height="20"></a>Or the 80×15 button, for a site that already has a row of RSS and ATOM ones. Only the verdict fits; the numbers stay here.
<a href="https://agentmods.dev/skills/easyzoom/aix-skills/mcuboot-integration"><img src="https://agentmods.dev/badge/skills/easyzoom/aix-skills/mcuboot-integration.svg" alt="Reviewed on agentmods" width="80" 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 | $0.00040 | $0.00734 |
| Opus 5 | $0.00020 | $0.00367 |
| Sonnet 5 | $0.00008 | $0.00147 |
| Haiku 4.5 | $0.00004 | $0.00073 |
Grade A, and why
mcuboot-integration 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 10d 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 — 83 lines — stays where its author put it; the contents beside it link to each section on GitHub.
MCUboot Integration
Overview
Use this skill to integrate MCUboot by proving the boot chain, flash map, image format, signing flow, and upgrade policy. Most failures come from slot geometry, trailer layout, or signing metadata mismatches rather than the application itself.
When To Use
Use this skill when:
- The user wants to add MCUboot to Zephyr, Mynewt, NuttX, RIOT, Mbed OS, ESP-IDF, or a custom MCU platform.
- The issue involves image validation, swap, overwrite-only upgrade, rollback, confirm flags, serial recovery, or signed images.
- The project has dual slots, external flash, encrypted images, secure boot, or OTA requirements.
Do not use this skill for application-level firmware transfer alone. Use ota-update-integration first if the bootloader is already fixed and the issue is delivery. For generic bootloader jump/handoff debugging, use bootloader-debug.
First Questions
Ask for:
- MCU/SoC, SDK/RTOS, boot flow, and current bootloader ownership.
- Flash layout: bootloader, primary slot, secondary slot, scratch, trailer, and external flash if used.
- Upgrade mode: swap, overwrite-only, direct-XIP, RAM-load, or serial recovery.
- Image signing method, key type, image version, and whether rollback prevention is needed.
- Current symptom and boot log from the bootloader.
Integration Checklist
-
Freeze the flash map. Slot sizes, erase block size, alignment, scratch size, and trailer offsets must match the target flash.
-
Build a minimal signed image. Verify image header, TLVs, signature, version, and load address before enabling OTA.
-
Prove first boot. Boot one known-good image from the primary slot and record bootloader logs.
-
Prove upgrade behavior. Test pending, test, confirm, revert, and permanent upgrade paths for the selected mode.
-
Add recovery and brick protection. Keep serial recovery, debug access, watchdog policy, and factory image strategy clear.
-
Lock security policy last. Enable key protection, rollback counters, encryption, or anti-tamper only after the basic upgrade loop is repeatable.
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.
- 10d ago First seen · 83 lines · 40 tokens per session scan A cc84b4fd4070
mcuboot-integration is a skill published in the GitHub repository easyzoom/aix-skills (31 stars, last pushed 1mo ago), licensed MIT. It adds 40 tokens to every session and 734 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.
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