canbus-integration

canbus-integration is a skill for Claude Code, Codex from easyzoom/aix-skills. It costs 41 tokens per session (706 once invoked), scanned A, original, MIT.

A guide for integrating and debugging CAN bus communication, a system where embedded devices exchange short messages over a shared wired network. It covers controllers, transceivers, message frames, timing, filters, and automotive protocols.

In plain words
What is it for?
Use it to configure or troubleshoot CAN libraries, MCP2515 and SocketCAN hardware, CANBus-Triple projects, message IDs, filters, bit timing, termination, CAN FD, and automotive protocols.
Why use it?
It helps separate wiring and electrical problems from software or protocol problems. This matters when messages are missing, rejected, sent with the wrong IDs, or when the bus enters a fault state.

Skill for Claude CodeCodex

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

Good fit Use it to configure or troubleshoot CAN libraries, MCP2515 and SocketCAN hardware, CANBus-Triple projects, message IDs, filters, bit timing, termination, CAN FD, and automotive protocols.

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Install with agentmods
npx agentmods add skills/easyzoom/aix-skills/canbus-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 canbus-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 canbus-integration

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

Your own site · 80×15
<a href="https://agentmods.dev/skills/easyzoom/aix-skills/canbus-integration"><img src="https://agentmods.dev/badge/skills/easyzoom/aix-skills/canbus-integration.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 41 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 706 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 $0.00041 $0.00706
Opus 5.5 $0.00016 $0.00282
Sonnet 5.5 $0.00008 $0.00141
Haiku 4.5 $0.00004 $0.00071

Measured 1mo ago against content hash 442784b34182, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade A, and why

canbus-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 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.

skills/canbus-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.

CANBus Integration

Overview

Use this skill for embedded CAN bus libraries and CANBus-Triple style projects. CAN failures are often physical-layer, bit-timing, termination, transceiver, or filter problems before they are application protocol problems.

When To Use

Use this skill when:

  • The user mentions CAN, CANBus-Triple, MCP2515, SocketCAN, CANopen, J1939, UDS, OBD-II, ISO-TP, or automotive messages.
  • Frames are missing, bus-off occurs, IDs are wrong, filters reject messages, or bit timing is unreliable.
  • The task involves adapting a CAN example project or Arduino-style CAN platform to another board.

Do not use this skill when the target is only a generic UART/SPI issue with no CAN layer.

First Questions

Ask for:

  • CAN controller/transceiver and board, such as internal CAN, FDCAN, MCP2515, or CANBus-Triple.
  • Bus speed, oscillator frequency, sample point, and whether CAN FD is involved.
  • Wiring, termination, transceiver voltage, and whether another known-good node is present.
  • Frame IDs, standard/extended format, filters, masks, and expected traffic.
  • Library/project source and current error counters, bus state, or capture.

Integration Checklist

  1. Verify physical layer. Confirm CANH/CANL wiring, 120-ohm termination, common ground, transceiver enable/standby, and voltage compatibility.

  2. Confirm bit timing. Controller clock, prescaler, segments, sample point, and bus speed must match the network.

  3. Start with listen or loopback. Use internal loopback or listen-only mode before transmitting onto a live bus.

  4. Configure filters deliberately. Disable filters temporarily or accept all frames to prove RX path before narrowing IDs.

  5. Separate transport and protocol. First prove raw CAN frames, then add ISO-TP, UDS, OBD-II, J1939, or application decoding.

  6. Protect live systems. Do not transmit on vehicle or production buses without explicit approval and a safe test plan.

Common Failures

  • Missing termination or wrong transceiver standby pin.
  • MCP2515 oscillator frequency differs from library assumption.
  • Standard versus extended ID mismatch.
  • Filters silently drop expected frames.
  • Bus-off caused by transmitting at wrong bit rate.
  • SPI-to-CAN driver works in loopback but fails due to transceiver wiring.

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. 1mo ago First seen · 84 lines · 41 tokens per session scan A 442784b34182

Subscribe to this mod's changes

canbus-integration is a skill published in the GitHub repository easyzoom/aix-skills (38 stars, last pushed 3mo ago), licensed MIT. It adds 41 tokens to every session and 706 once invoked, about $0.0002 per session on Opus 5.5. 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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