automotive-logging

automotive-logging is a skill for Claude Code, Codex from pangzhenying2025/hermes-automotive-skills. It costs 25 tokens per session (1,320 once invoked), scanned A, original, MIT.

A guide to DLT, or Diagnostic Log and Trace, for logging in automotive software. DLT is a standardized system for collecting structured messages from vehicle applications and electronic control units.

In plain words
What is it for?
Use it to design or troubleshoot automotive logging with DLT libraries, dlt-daemon, Python, and optionally DLT Viewer.
Why use it?
It helps developers understand how vehicle logs are formatted, filtered, collected, and viewed across multiple control units.

Skill for Claude CodeCodex

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

Good fit Use it to design or troubleshoot automotive logging with DLT libraries, dlt-daemon, Python, and optionally DLT Viewer.

Compare 6 skills from other repositories ↓
Install with agentmods
npx agentmods add skills/pangzhenying2025/hermes-automotive-skills/automotive-logging
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 pangzhenying2025/hermes-automotive-skills --skill automotive-logging
Clone the repo
git clone --depth 1 https://github.com/pangzhenying2025/hermes-automotive-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 automotive-logging

README.md
[![agentmods](https://agentmods.dev/badge/skills/pangzhenying2025/hermes-automotive-skills/automotive-logging/github.svg)](https://agentmods.dev/skills/pangzhenying2025/hermes-automotive-skills/automotive-logging)
Your own site
<a href="https://agentmods.dev/skills/pangzhenying2025/hermes-automotive-skills/automotive-logging"><img src="https://agentmods.dev/badge/skills/pangzhenying2025/hermes-automotive-skills/automotive-logging/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 automotive-logging

Your own site · 80×15
<a href="https://agentmods.dev/skills/pangzhenying2025/hermes-automotive-skills/automotive-logging"><img src="https://agentmods.dev/badge/skills/pangzhenying2025/hermes-automotive-skills/automotive-logging.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 25 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 1,320 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 $0.00025 $0.01320
Opus 5 $0.00013 $0.00660
Sonnet 5 $0.00005 $0.00264
Haiku 4.5 $0.00003 $0.00132

Measured 12d ago against content hash d2157777c1ed, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-12, from the pricing page.

Security

Grade A, and why

automotive-logging 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 12d 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/automotive-logging/SKILL.md · 148 lines

How it starts

The opening of the file, as written. The whole thing — 148 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Automotive Logging

1 skill files covering logging domain for automotive software engineering.

Required Tools

  • DLT Viewer (optional, for visualization)
  • Python 3.8+
  • dlt-daemon (optional, for network logging)

Instructions

dlt-logging

DLT (Diagnostic Log and Trace) Guide — AUTOSAR/COVESA

Overview

DLT is the standardized logging framework for automotive systems, defined by AUTOSAR and maintained by COVESA. It provides structured, high-performance logging with application/context-based filtering, binary message format for efficiency, and support for multi-ECU log aggregation.

Architecture

Application 1        Application 2        Application N
┌─────────────┐     ┌─────────────┐     ┌─────────────┐
│ DLT User    │     │ DLT User    │     │ DLT User    │
│ Library     │     │ Library     │     │ Library     │
└──────┬──────┘     └──────┬──────┘     └──────┬──────┘
       │                   │                   │
       └───────────────────┼───────────────────┘
                           │ UNIX Socket / Shared Memory
                  ┌────────┴────────┐
                  │  DLT Daemon     │
                  │  (dlt-daemon)   │
                  ├─────────────────┤
                  │ File Output     │ → /var/log/dlt/*.dlt
                  │ Network Output  │ → TCP port 3490
                  │ Serial Output   │ → /dev/ttyS0
                  └─────────────────┘
                           │ TCP/IP
                  ┌────────┴────────┐
                  │  DLT Viewer     │  (Desktop analysis tool)
                  └─────────────────┘

Identification Model

DLT uses a hierarchical ID system for filtering:

  • ECU ID (4 chars): Identifies the hardware unit (e.g., "ECU1", "GW01")
  • Application ID (4 chars): Identifies the software application (e.g., "ADAS", "DIAG")
  • Context ID (4 chars): Identifies the subsystem within an app (e.g., "CTRL", "SENS")

This enables precise filtering: show only ADAS.CTRL errors from ECU1.

Read the full file on GitHub · 148 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. 12d ago First seen · 148 lines · 25 tokens per session scan A d2157777c1ed

Subscribe to this mod's changes

automotive-logging is a skill published in the GitHub repository pangzhenying2025/hermes-automotive-skills (5 stars, last pushed 3mo ago), licensed MIT. It adds 25 tokens to every session and 1,320 once invoked, about $0.0001 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 2026-08-31.

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