arm-cortex-microcontrollers

arm-cortex-microcontrollers is a plugin for Claude Code from wshobson/agents. Its manifest loads nothing; the 1 agent it bundles cost 72 tokens per session together, scanned A, original, MIT.

A development guide for firmware on ARM Cortex-M microcontrollers, including Teensy, STM32, nRF52, and SAMD boards.

In plain words
What is it for?
It is for writing firmware, using peripheral drivers, and applying memory-safety patterns on supported ARM Cortex-M devices.
Why use it?
It brings together guidance for working with device hardware while avoiding common memory-safety problems.

Plugin for Claude Code

Written for Claude Code: a Claude Code plugin manifest.

Good fit It is for writing firmware, using peripheral drivers, and applying memory-safety patterns on supported ARM Cortex-M devices.

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Install in Claude Code
/plugin marketplace add wshobson/agents
/plugin install arm-cortex-microcontrollers
About the project

Agentic Plugin Marketplace is a collection of reusable plugins, agents, skills, commands, and rules for coding-agent tools including Claude Code, Codex CLI, Cursor, OpenCode, Antigravity CLI, and GitHub Copilot. It is for developers assembling agentic workflows across multiple harnesses from shared Markdown sources, and the catalogue entries are examples or subsets of those workflow components.

wshobson/agents · 40,926 stars · on GitHub · sethhobson.com

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.

Clone the repo
git clone --depth 1 https://github.com/wshobson/agents

Made for: Claude Code.

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 arm-cortex-microcontrollers

README.md
[![agentmods](https://agentmods.dev/badge/plugins/wshobson/agents/arm-cortex-microcontrollers/github.svg)](https://agentmods.dev/plugins/wshobson/agents/arm-cortex-microcontrollers)
Your own site
<a href="https://agentmods.dev/plugins/wshobson/agents/arm-cortex-microcontrollers"><img src="https://agentmods.dev/badge/plugins/wshobson/agents/arm-cortex-microcontrollers/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 arm-cortex-microcontrollers

Your own site · 80×15
<a href="https://agentmods.dev/plugins/wshobson/agents/arm-cortex-microcontrollers"><img src="https://agentmods.dev/badge/plugins/wshobson/agents/arm-cortex-microcontrollers.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session not measured What this adds to a session before it is invoked.
When invoked not measured The manifest loads nothing itself; its 1 agent cost 72 tokens a session between them.
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.
Security

Grade A, and why

arm-cortex-microcontrollers 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 1mo 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.

plugins/arm-cortex-microcontrollers/.claude-plugin/plugin.json · 11 lines

What it actually says

{
  "name": "arm-cortex-microcontrollers",
  "version": "1.2.1",
  "description": "ARM Cortex-M firmware development for Teensy, STM32, nRF52, and SAMD with peripheral drivers and memory safety patterns",
  "author": {
    "name": "Ryan Snodgrass",
    "url": "https://github.com/rsnodgrass"
  },
  "license": "MIT"
}
Contents

What it installs

The manifest is a name and a version. 1 agent travel with it, and installing the plugin installs all of them — 72 tokens a session between them. Each is measured on its own page, and each can be installed alone.

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. 1mo ago First seen · 11 lines scan A 7062d58d7f35

Subscribe to this mod's changes

arm-cortex-microcontrollers is a plugin published in the GitHub repository wshobson/agents (40,926 stars, last pushed 2d ago), licensed MIT. Its token cost is not measured: this kind of file is read by the harness, not the model. 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.