ota-update-integration

ota-update-integration is a skill for Claude Code, Codex from easyzoom/aix-skills. It costs 38 tokens per session (692 once invoked), scanned A, original, MIT.

Guidance for building and debugging over-the-air firmware updates, which deliver new device software remotely. It covers the full path from packaging and transfer through validation, activation, rollback, and monitoring.

In plain words
What is it for?
Designing update flows over HTTP, MQTT, BLE, LoRa, cellular, USB, SD card, or custom protocols, including resume, checksums, signatures, version checks, and rollback.
Why use it?
It helps prevent failed or power-interrupted updates from leaving an embedded device unusable.

Skill for Claude CodeCodex

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

Good fit Designing update flows over HTTP, MQTT, BLE, LoRa, cellular, USB, SD card, or custom protocols, including resume, checksums, signatures, version checks, and rollback.

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Install with agentmods
npx agentmods add skills/easyzoom/aix-skills/ota-update-integration
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 ota-update-integration
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 ota-update-integration

README.md
[![agentmods](https://agentmods.dev/badge/skills/easyzoom/aix-skills/ota-update-integration/github.svg)](https://agentmods.dev/skills/easyzoom/aix-skills/ota-update-integration)
Your own site
<a href="https://agentmods.dev/skills/easyzoom/aix-skills/ota-update-integration"><img src="https://agentmods.dev/badge/skills/easyzoom/aix-skills/ota-update-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.

agentmods 80×15 button for ota-update-integration

Your own site · 80×15
<a href="https://agentmods.dev/skills/easyzoom/aix-skills/ota-update-integration"><img src="https://agentmods.dev/badge/skills/easyzoom/aix-skills/ota-update-integration.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 38 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 692 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 $0.00038 $0.00692
Opus 5 $0.00019 $0.00346
Sonnet 5 $0.00008 $0.00138
Haiku 4.5 $0.00004 $0.00069

Measured 11d ago against content hash 5d15ac8bdbc2, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-10, from the pricing page.

Security

Grade A, and why

ota-update-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 11d 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/ota-update-integration/SKILL.md · 84 lines

How it starts

The opening of the file, as written. The whole thing — 84 lines — stays where its author put it; the contents beside it link to each section on GitHub.

OTA Update Integration

Overview

Use this skill to build OTA updates as a full pipeline: package creation, transport, staging, validation, activation, rollback, and observability. OTA is only reliable when every reset point is defined.

When To Use

Use this skill when:

  • The user wants firmware updates over HTTP, MQTT, BLE, LoRa, cellular, USB, SD card, or a custom protocol.
  • The issue involves partial downloads, checksum failures, signature validation, resume, rollback, version checks, or update state machines.
  • The target uses MCUboot, a vendor bootloader, A/B partitions, recovery mode, or external flash staging.

Do not use this skill for bootloader internals. Use mcuboot-integration when the image activation or swap logic itself is failing. For generic bootloader jump/handoff debugging, use bootloader-debug.

First Questions

Ask for:

  • Target device, RTOS/Linux stack, bootloader, flash layout, and update storage.
  • Transport, package format, manifest fields, compression, encryption, and signing policy.
  • Version policy, compatibility rules, rollback/factory reset behavior, and update trigger.
  • Power-fail expectations and whether updates must resume after reset.
  • Logs from download, validation, activation, and first boot.

Integration Checklist

  1. Define the update contract. The manifest should include target identity, version, size, hash, signature, compatibility, and install mode.

  2. Separate download from activation. Store the image safely, verify it, then mark it pending only after all bytes and metadata are valid.

  3. Make reset points explicit. Document what happens during download, after validation, after activation, and during first boot.

  4. Verify authenticity and integrity. Use hash checks for corruption and signatures for trust. Do not treat transport TLS as a replacement for image signing.

  5. Prove rollback. The device must recover from bad images, failed self-tests, power loss, and interrupted transfers.

Read the full file on GitHub · 84 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. 11d ago First seen · 84 lines · 38 tokens per session scan A 5d15ac8bdbc2

Subscribe to this mod's changes

ota-update-integration is a skill published in the GitHub repository easyzoom/aix-skills (31 stars, last pushed 1mo ago), licensed MIT. It adds 38 tokens to every session and 692 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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