Build a device driver or protocol handler — I2C sensors, BLE services, MQTT clients, SPI peripherals with interrupt-driven I/O and clean HAL abstraction.

MITAuto-check: notesDevelopment

Install Volt Driver

skills CLI
$ npx skills add jeremylongshore/tons-of-skills-marketplace --skill volt-driver -a claude-code

Project install by default; add -g for ~/.claude/skills/.

GitHub CLI
$ gh skill install jeremylongshore/tons-of-skills-marketplace volt-driver --agent claude-code

Project scope by default; add --scope user for a personal install. Needs GitHub CLI 2.90.0 or later (public preview).

Manual copy
$ git clone --depth 1 https://github.com/jeremylongshore/tons-of-skills-marketplace.git skills-src && mkdir -p .claude/skills && cp -r skills-src/plugins/ai-agency/tonone/skills/volt-driver .claude/skills/volt-driver && rm -rf skills-src

Use ~/.claude/skills/ instead of .claude/skills for a personal install. The folder must contain SKILL.md.

Claude Code skills documentation · loads skills from .claude/skills/

Facts

Skill name
volt-driver
GitHub stars
2.8k
Token cost
~1.1k tokens
SKILL.md length
374 words
Files
2
Skills in repo
3,342
Repo updated
First seen
Licence
MIT

At a glance

Build a device driver or protocol handler — I2C sensors, BLE services, MQTT clients, SPI peripherals with interrupt-driven I/O and clean HAL abstraction.

  • Works in 6 steps: Detect Environment → Understand the Peripheral or Protocol → Implement the Driver → …
  • Asked to write a driver
  • SKILL.md covers Steps and Delivery
  • Instructions only: no scripts, shell commands, URLs or credentials in SKILL.md

What it does

Volt Driver is an agent skill from jeremylongshore/tons-of-skills-marketplace. Build a device driver or protocol handler — I2C sensors, BLE services, MQTT clients, SPI peripherals with interrupt-driven I/O and clean HAL abstraction. Use when asked to "write a driver", "I2C device", "BLE service", "MQTT client", or "sensor integration".

Its SKILL.md is about 1.1k tokens, which your agent loads only when the skill is triggered. The skill folder holds 2 other files (for example `.claude-plugin/plugin.json`).

It sits in Development. It works with ESP32. The repository describes itself as: Model-agnostic agent-skills platform with a harness-free canonical layer, verified adapters, and the ccpi package manager. Explore at tonsofskills.com. The licence is MIT.

When your agent uses it

  • Asked to write a driver
  • Sensor integration

Example prompts

  • “write a driver”
  • “I2C device”
  • “BLE service”
  • “/volt-driver”

Requirements

  • Pre-approved tools (allowed-tools): Read, Write, Edit, Bash, Glob, Grep, WebFetch, WebSearch, Task, TodoWrite, AskUserQuestion

Workflow steps

6 steps, taken from the step headings in SKILL.md.

  1. Detect Environment
  2. Understand the Peripheral or Protocol
  3. Implement the Driver
  4. Communication Protocol Extras
  5. Add Test Stubs
  6. Present Summary

What it can do on your machine

Read from SKILL.md and the folder at commit cfae287. It shows what the files ask for, not the result of running them.

  • Tool permissions

    Pre-approves these tools, so the agent can use them without asking each time:

    • Read
    • Write
    • Edit
    • Bash
    • Glob
    • Grep
    • WebFetch
    • WebSearch
    • Task
    • TodoWrite

    …and 1 more on the same allowed-tools line.

    From allowed-tools in the SKILL.md frontmatter.

  • Runs code

    No scripts in the folder and no shell commands in SKILL.md.

    From the folder's file list and the shell code blocks in SKILL.md.

  • Network

    No URLs in SKILL.md.

    From URLs in SKILL.md, links to its own repository left out.

  • Credentials

    Names no API keys, tokens, secrets or passwords.

    From names ending in _API_KEY, _TOKEN, _SECRET, _KEY or _PASSWORD in SKILL.md.

Context cost

Volt Driver loads about 1.1k tokens when it runs. Until then it costs about 68 tokens; SKILL.md has 374 words of instructions outside code blocks.

Always · name and description, kept in context so the agent knows when to use it
~68
When it runs · the whole SKILL.md, loaded when a task matches
~1.1k

Estimates: characters ÷ 4, the usual rule of thumb; real counts depend on the model's tokenizer. Scripts and assets cost tokens only if the agent reads them.

Safety

Auto-check: notes

The automated check noted patterns worth knowing about, such as sudo or a known installer.

  • NotePre-approves every shell command (allowed-tools: Bash)SKILL.md
    allowed-tools: Read, Write, Edit, Bash, Glob, Grep, WebFetch, WebSearch, Task, TodoWrite, AskUserQuestion

Automated static check — not a guarantee. Review scripts before installing. It scans the text of SKILL.md for risky patterns (piping downloads into a shell, reading credential files, hidden Unicode, destructive commands); files beside SKILL.md are not scanned.

SKILL.md

The full file from jeremylongshore/tons-of-skills-marketplace at commit cfae287, republished under its MIT licence (© jeremylongshore). 374 words, ~1,066 tokens.

Download SKILL.mdSave it as .claude/skills/volt-driver/SKILL.md (or your agent's skills folder). This skill also uses 1 other file; get the full folder from GitHub.
name
volt-driver
description
Build a device driver or protocol handler — I2C sensors, BLE services, MQTT clients, SPI peripherals with interrupt-driven I/O and clean HAL abstraction. Use when asked to "write a driver", "I2C device", "BLE service", "MQTT client", or "sensor integration".
allowed-tools
Read, Write, Edit, Bash, Glob, Grep, WebFetch, WebSearch, Task, TodoWrite, AskUserQuestion
version
0.6.4
author
tonone-ai <hello@tonone.ai>
license
MIT

Build Device Driver or Protocol Handler

You are Volt — the embedded and IoT engineer from the Engineering Team.

Steps

Step 0: Detect Environment

Scan the workspace for embedded project indicators:

  • platformio.ini — PlatformIO project
  • CMakeLists.txt + sdkconfig — ESP-IDF project
  • west.yml or prj.conf — Zephyr project
  • Existing hal/ or drivers/ directories — established driver pattern

Identify the MCU platform, RTOS, and existing HAL conventions. If unclear, ask.

Step 1: Understand the Peripheral or Protocol

Determine what is being driven:

  • I2C/SPI sensor — identify the device (datasheet register map), bus address, data format
  • BLE service — identify the GATT profile, characteristics, read/write/notify behavior
  • MQTT client — identify broker, topics, QoS requirements, message format
  • UART peripheral — identify baud rate, framing, protocol (AT commands, Modbus, custom)
  • Other — GPIO expander, display, motor controller, etc.

Ask for the device datasheet or protocol spec if not obvious from context.

Step 2: Implement the Driver

Create the driver with these mandatory elements:

  • Initialization function — configure the peripheral, verify communication (whoami/device ID read), return error on failure
  • Interrupt-driven I/O — use ISR + task notification or DMA, not busy-wait polling
  • Error handling with timeouts — every bus transaction has a timeout, every error is propagated
  • Clean HAL abstraction — driver talks to a HAL interface, not directly to hardware registers, so it ports to other boards
  • Thread safety — mutex/semaphore if accessed from multiple RTOS tasks

Structure:

drivers/<device>/
  <device>.h        — public API (init, read, write, deinit)
  <device>.c        — implementation
  <device>_regs.h   — register map (for I2C/SPI devices)
hal/
  hal_i2c.h         — HAL interface (if not already present)
  hal_spi.h
Show full SKILL.md (158 more words)Show less
Step 3: Communication Protocol Extras

For communication protocols (MQTT, BLE, WiFi), also include:

  • Connection management — connect, disconnect, status query
  • Reconnection logic — exponential backoff, max retries, state machine
  • Message queuing — outbound queue so callers don't block on network I/O
  • Keep-alive handling — heartbeat or ping mechanism
  • Clean disconnect — graceful shutdown, unsubscribe, notify peers
Step 4: Add Test Stubs

Create test stubs for the driver:

  • Mock HAL — fake I2C/SPI responses for unit testing without hardware
  • Test cases — init success, init failure (device not found), read valid data, read timeout, write error
  • Integration test outline — what to verify on real hardware
Step 5: Present Summary

Follow the output format defined in docs/output-kit.md — 40-line CLI max, box-drawing skeleton, unified severity indicators, compressed prose.

## Driver Created

**Device:** [name] | **Bus:** [I2C/SPI/BLE/MQTT] | **Platform:** [MCU]

### Implemented
- Initialization with device verification
- Interrupt-driven [read/write] operations
- Error handling with [N]ms timeouts
- HAL abstraction ([portable/board-specific])
- [Reconnection logic / Message queuing] (if protocol)
- Test stubs with mock HAL

### API
- `<device>_init()` — configure and verify
- `<device>_read()` — read data (non-blocking)
- `<device>_write()` — write data
- `<device>_deinit()` — clean shutdown

### Next Steps
- [ ] Verify on hardware with logic analyzer
- [ ] Tune timeouts for your bus speed
- [ ] Run test stubs

Delivery

If output exceeds the 40-line CLI budget, invoke /atlas-report with the full findings. The HTML report is the output. CLI is the receipt — box header, one-line verdict, top 3 findings, and the report path. Never dump analysis to CLI.

© jeremylongshore, MIT. Rendered from Markdown: HTML in the file is shown as text, images as links, and headings moved down two levels. Raw file

Files

SKILL.md and 1 other file in plugins/ai-agency/tonone/skills/volt-driver of jeremylongshore/tons-of-skills-marketplace.

  • SKILL.md
  • .claude-plugin/plugin.json

Open the folder on GitHubat commit cfae287

Compare with similar skills

Volt Driver next to the 5 skills that share the most tags, products or categories with it. Stars are the repository's; “used in” counts other GitHub owners with a copy.

Volt Driver compared with similar skills
SkillStarsUsed inTokensAuto-checkLicenceRepo updated
Volt Driver this skilljeremylongshore/tons-of-skills-marketplace2.8k—~1.1kAutomated safety check: NotesMIT
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Esp32 Firmware Engineeralxv2016/folloup-sticky1171 repos~3.8kAutomated safety check: PassGPL-3.0
RuView mmWave Radar Setupruvnet/RuView97k—~907Automated safety check: NotesMIT
Embedded DebugFastLED/FastLED7.5k—~1.4kAutomated safety check: PassMIT
Auto EmbeddedDunCanYounG-1/MICU-auto-embedded253—~1.6kAutomated safety check: PassCC-BY-NC-4.0

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Works with

Categories

Questions about Volt Driver

What does Volt Driver do?

Build a device driver or protocol handler — I2C sensors, BLE services, MQTT clients, SPI peripherals with interrupt-driven I/O and clean HAL abstraction. Volt Driver is an agent skill from jeremylongshore/tons-of-skills-marketplace. Build a device driver or protocol handler — I2C sensors, BLE services, MQTT clients, SPI peripherals with interrupt-driven I/O and clean HAL abstraction.

When should I use Volt Driver?

Volt Driver fits situations like: asked to write a driver; sensor integration.

How do I install Volt Driver in Claude Code?

Run `npx skills add jeremylongshore/tons-of-skills-marketplace --skill volt-driver -a claude-code`. Or copy the skill folder (plugins/ai-agency/tonone/skills/volt-driver in jeremylongshore/tons-of-skills-marketplace) into .claude/skills/volt-driver in your project. Claude Code loads it when a task matches its description.

How do I install Volt Driver in Codex?

Run `npx skills add jeremylongshore/tons-of-skills-marketplace --skill volt-driver -a codex`. Or copy the skill folder (plugins/ai-agency/tonone/skills/volt-driver in jeremylongshore/tons-of-skills-marketplace) into .agents/skills/volt-driver in your project. Codex loads it when a task matches its description.

Can I use Volt Driver in Cursor, Gemini CLI or GitHub Copilot?

Cursor, Gemini CLI, GitHub Copilot and OpenCode also load SKILL.md folders. With the skills CLI, run `npx skills add jeremylongshore/tons-of-skills-marketplace --skill volt-driver -a cursor` (or -a gemini-cli, github-copilot or opencode for the others). To copy it by hand, put the folder in .cursor/skills/volt-driver, .gemini/skills/volt-driver, .github/skills/volt-driver and .opencode/skills/volt-driver in your project.

What does Volt Driver need to run?

SKILL.md names no scripts, command-line tools or credentials: Volt Driver is instructions for the agent only. Its frontmatter pre-approves these tools: Read, Write, Edit, Bash, Glob, Grep, WebFetch, WebSearch, Task, TodoWrite, AskUserQuestion.

Does Volt Driver access the network?

SKILL.md contains no URLs. Any network use would come from the scripts or tools the agent runs. This is read from the text; nothing was executed.

Is Volt Driver safe to install?

Our automated static check of SKILL.md found notes only (pre-approves every shell command (allowed-tools: bash)), nothing it rates as a warning. It is not a guarantee. Review the folder before installing.

What licence does Volt Driver use?

Volt Driver is published under the MIT licence (declared in SKILL.md). It allows redistribution, so the full SKILL.md is shown on this page.

How many tokens does Volt Driver use?

About 1.1k tokens (SKILL.md is roughly 4.3k characters). Agents keep only the skill's name and description in context until a task matches; then they load SKILL.md in full.

What are the alternatives to Volt Driver?

Skills that share tags, products or a category with Volt Driver: RuView Hardware Setup (ruvnet/RuView, 97k stars), Esp32 Firmware Engineer (alxv2016/folloup-sticky, 117 stars), RuView mmWave Radar Setup (ruvnet/RuView, 97k stars) and Embedded Debug (FastLED/FastLED, 7.5k stars). The comparison table on this page puts their stars, adoption, token cost, safety result and licence side by side.

Who maintains Volt Driver?

jeremylongshore (a GitHub user) maintains it in jeremylongshore/tons-of-skills-marketplace, which has 2,827 GitHub stars. The repository holds 3,342 skills in this directory. The repository was last updated on October 10, 2026.

Source: jeremylongshore/tons-of-skills-marketplace on GitHub. Facts on this page come from the repository at the commit we read; the author's words are quoted as theirs.