m5-onboard

m5-onboard is a skill for Claude Code, Codex from thevibeworks/claude-code-docs. It costs 94 tokens per session (6,051 once invoked), scanned B, a copy of m5-onboard, MIT.

A setup workflow for M5Stack ESP32 development boards, including Cardputer models and Core devices.

In plain words
What is it for?
Use it to provision a freshly connected M5Stack over USB, install the Claude Buddy app bundle, and prepare the device for development.
Why use it?
It reduces the manual work of detecting a board, flashing its firmware, and copying MicroPython apps onto it.

Skill for Claude CodeCodex

Part of the cwc-makers plugin — 2 skills, 1 command shipped together

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/thevibeworks/claude-code-docs/m5-onboard
Any agent
npx skills add thevibeworks/claude-code-docs --skill m5-onboard
Clone the repo
git clone --depth 1 https://github.com/thevibeworks/claude-code-docs

Made for: Claude Code, Codex.

Or install cwc-makers, the plugin that ships this one along with the rest of its 2 skills, 1 command.

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 m5-onboard

README.md
[![agentmods](https://agentmods.dev/badge/skills/thevibeworks/claude-code-docs/m5-onboard.svg)](https://agentmods.dev/skills/thevibeworks/claude-code-docs/m5-onboard)
Your own site
<a href="https://agentmods.dev/skills/thevibeworks/claude-code-docs/m5-onboard"><img src="https://agentmods.dev/badge/skills/thevibeworks/claude-code-docs/m5-onboard.svg" alt="Measured on agentmods" height="20"></a>
Per session 94 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 6,051 The whole file, excluding the scripts and references it only reads on demand.
Security scan B 2 findings. Scan, not verified.
Origin 100% copy Near-identical to another mod 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 $0.00094 $0.06051
Opus 5 $0.00047 $0.03026
Sonnet 5 $0.00019 $0.01210
Haiku 4.5 $0.00009 $0.00605

Measured 2d ago against content hash c6ba88fd06f5, method: parsed. Prices are Anthropic first-party input rates as of 2026-08-30, from the pricing page.

Security

Grade B, and why

m5-onboard scanned grade B with 2 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.

Asks for rootmediumPrivilege escalation

A mod that escalates privileges can change anything on the machine, not only the project.

- **Linux** — use the distro package manager. Debian/Ubuntu: `sudo apt-get update && sudo apt-get install -y python3 python3-pip`. Fedora: `sudo dnf install -y python3 python3-pip`. Arch: `sudo pacman -S --noconfirm pyth

Makes network callslowCapability

Not a fault in itself. Listed so you know the mod talks to something, and to what.

Python itself has to exist before this skill can do anything — you can't bootstrap an interpreter from inside one. `git` is **not** required — the `/maker-setup` command falls back to downloading the GitHub tarball with
Origin

This is a copy

100% identical to m5-onboard — 0 lines differ, which has more behind it and is treated as the original. This page carries a canonical link to it rather than competing with it.

content/github/claude-plugins-official/plugins/cwc-makers/skills/m5-onboard/SKILL.md · 186 lines

How it starts

The opening of the file, as written. The whole thing — 186 lines — stays where its author put it; the contents beside it link to each section on GitHub.

M5Stack Onboarding

This skill automates the full cold-start workflow for an M5Stack ESP32 device: detect on USB, identify model, flash UIFlow 2.0, and push a MicroPython app bundle onto /flash/ so the device boots into user software. The apps we ship (Claude Buddy, Snake, Hello) talk over BLE or USB. The workflow runs on macOS, Linux, and Windows; the skill was developed against an M5Stack Basic v2.6 (CH9102 bridge, ESP32-D0WDQ6-V3, 16 MB flash) and generalized to cover the rest of the Core family, with the Cardputer-Adv (ESP32-S3, native USB) as the current default target.

Where the scripts live

This skill ships as part of the cwc-makers plugin for reference, but the executable scripts and the buddy/ app bundle live in a local clone of https://github.com/moremas/build-with-claude (the /maker-setup command creates this clone). Run every scripts/*.py invocation below from inside that clone's onboard/ directory so --apps buddy resolves to the sibling buddy/device/ payload.

When to use

Use this when a user plugs in an M5Stack device and wants it provisioned. The decision tree:

  • Fresh/unknown device → run onboard.py --apps buddy end-to-end (detect → identify → flash → install apps). This is the default path.
  • Already-flashed device, user just wants apps installed/refreshed → run install_apps.py --src buddy (or any --src <path> to a directory of .py files).
  • Flashed device, something feels broken → run smoke_test.py (I2C + LCD + speaker + button check).
  • User wants to know what's on the bus / what the device can dosmoke_test.py.

If multiple devices are plugged in, ask which port to target — don't guess. If the user is provisioning a device they previously worked with (e.g. "same thing as last time" or "another Buddy"), default to --apps buddy unless they say otherwise.

Which variant to assume

The rig this skill lives on provisions Cardputer-Adv boards overwhelmingly, so onboard.py now defaults to --variant cardputer-adv. In practice that means:

Read the full file on GitHub · 186 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. 2d ago First seen · 186 lines · 94 tokens per session scan B c6ba88fd06f5

Subscribe to this mod's changes

m5-onboard is a skill published in the GitHub repository thevibeworks/claude-code-docs (39 stars, last pushed today), licensed MIT. It adds 94 tokens to every session and 6,051 once invoked, about $0.0005 per session on Opus 5. A static security scan graded it B with 2 findings (asks for root, makes network calls). It is 100% identical to m5-onboard, differing in 0 lines, and is treated as a copy.

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