l4t-differences

l4t-differences is a skill for Claude Code, Codex from Seeed-Projects/Seeed-Jetson-DevelopTool. It costs 84 tokens per session (1,431 once invoked), scanned B, original, MIT.

A comparison guide for Seeed and NVIDIA versions of the Linux software package that supports Jetson hardware. It lists hardware-specific driver changes across several software versions.

In plain words
What is it for?
Checking L4T and JetPack versions, comparing CAN bus, Wi-Fi, Ethernet, GMSL, TPM, audio, and USB support, and troubleshooting Seeed Jetson devices.
Why use it?
It helps explain why a Seeed Jetson board may behave differently from standard NVIDIA documentation and which drivers are included in each version.

Skill for Claude CodeCodex

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

Good fit Checking L4T and JetPack versions, comparing CAN bus, Wi-Fi, Ethernet, GMSL, TPM, audio, and USB support, and troubleshooting Seeed Jetson devices.

Compare 6 skills from other repositories ↓
Install with agentmods
npx agentmods add skills/seeed-projects/seeed-jetson-developtool/l4t-differences
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 Seeed-Projects/Seeed-Jetson-DevelopTool --skill l4t-differences
Clone the repo
git clone --depth 1 https://github.com/Seeed-Projects/Seeed-Jetson-DevelopTool

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 l4t-differences

README.md
[![agentmods](https://agentmods.dev/badge/skills/seeed-projects/seeed-jetson-developtool/l4t-differences/github.svg)](https://agentmods.dev/skills/seeed-projects/seeed-jetson-developtool/l4t-differences)
Your own site
<a href="https://agentmods.dev/skills/seeed-projects/seeed-jetson-developtool/l4t-differences"><img src="https://agentmods.dev/badge/skills/seeed-projects/seeed-jetson-developtool/l4t-differences/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 l4t-differences

Your own site · 80×15
<a href="https://agentmods.dev/skills/seeed-projects/seeed-jetson-developtool/l4t-differences"><img src="https://agentmods.dev/badge/skills/seeed-projects/seeed-jetson-developtool/l4t-differences.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 84 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 1,431 The whole file, excluding the scripts and references it only reads on demand.
Security scan B 1 finding. A grade says what 26 rules found in the file — not that it is safe. Third-party audits
  • NVIDIA SkillSpector warn 7 Sept 2026
SkillSpector: 1 finding, up to medium

These are SkillSpector’s own severities. On a checked sample its high-severity flags on skills were ~96% false positives — a documented command, a public API, a “never do X” rule — so we show them as a caution to read, not a verdict. Why →

  • medium Privilege Escalation · line 150
    Commands invoke sudo or root privileges. Verify this elevated access is necessary and justified.
    Fix: Avoid sudo/root unless strictly required. Prefer least-privilege patterns. If elevation is needed, document the justification and scope.
How audits are shown
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 $0.00084 $0.01431
Opus 5.5 $0.00034 $0.00572
Sonnet 5.5 $0.00017 $0.00286
Haiku 4.5 $0.00008 $0.00143

Measured 1mo ago against content hash 8d5165865150, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade B, and why

l4t-differences scanned grade B with 1 finding 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.

Asks for rootmediumPrivilege escalation

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

| Expected driver module not loaded | Check if module exists: `find /lib/modules -name "*.ko" \| grep <driver>`. Load with `sudo modprobe <driver>`. |
seeed_jetson_develop/skills/openclaw/l4t-differences/SKILL.md · 159 lines

How it starts

The opening of the file, as written. The whole thing — 159 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Differences in L4T between Seeed and NVIDIA

Seeed's Jetson BSPs are based on NVIDIA's L4T with modifications to support Seeed hardware. This skill identifies the specific driver and feature differences per L4T version so users can understand what Seeed adds on top of the NVIDIA baseline.


Execution model

Run one phase at a time. After each phase:

  • Relay all output to the user.
  • If output contains [STOP] → stop, consult the failure decision tree.
  • If output ends with [OK] → tell the user "Phase N complete" and proceed.

Prerequisites

Requirement Detail
Hardware Seeed Jetson device (reComputer series)
JetPack Identify installed version before proceeding

Phase 1 — Identify L4T version (~30 s)

cat /etc/nv_tegra_release

Or:

dpkg -l | grep -i nvidia-l4t-core

[OK] when L4T version string is displayed (e.g. R36.4.3, R35.5). [STOP] if file not found — device may not be running L4T.


Phase 2 — Identify JetPack version (~30 s)

dpkg -l | grep -i jetpack

Map the L4T version to JetPack:

L4T Version JetPack
36.4.3 6.2
36.4 6.1
36.3 6.0
35.5 5.1.3
35.3.1 5.1.1

[OK] when JetPack version is confirmed.


Phase 3 — Review Seeed BSP differences for your version

Based on the L4T version identified in Phase 1, here are the key additions Seeed makes over NVIDIA's default BSP:

L4T 36.4.3 (JetPack 6.2)

  • MCP251X / MCP251XFD CAN bus controllers
  • Intel Wi-Fi driver (generic + modular + tracing)
  • Microchip LAN743x Gigabit Ethernet
  • PPP protocol support (async serial)
  • Realtek 88-series Wi-Fi (8723D, 8723DU, 8723X, USB)
  • TI TLV320AIC3X audio codec (I²C)
  • MAX9296A / MAX96717 / MAX96724 GMSL deserializers + aggregator
  • CRC-CCITT checksum, advanced video debug interface

L4T 36.4 (JetPack 6.1)

  • MCP251X / MCP251XFD CAN bus controllers
  • Intel Wi-Fi MVM driver (generic + tracing + LED)
  • Microchip LAN743x Gigabit Ethernet
  • PPP protocol support (async serial)
  • Realtek RTW88 Wi-Fi (8723D, 8723DU, 8723X, USB)
  • CH341 USB-to-serial converter
  • CRC-CCITT, compression libraries for PPP

Read the full file on GitHub · 159 lines

Files

What ships with it

2 files beside SKILL.md in the same directory: the scripts, references and assets a skill reads on demand. Not counted in the per-session cost; read them before you install if any of them is executable.

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 · 159 lines · 84 tokens per session scan B 8d5165865150

Subscribe to this mod's changes

l4t-differences is a skill published in the GitHub repository Seeed-Projects/Seeed-Jetson-DevelopTool (56 stars, last pushed yesterday), licensed MIT. It adds 84 tokens to every session and 1,431 once invoked, about $0.0003 per session on Opus 5.5. A static security scan graded it B with 1 finding (asks for root). No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-30.

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