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.
npx skills add x3allamerican/skills --skill intrastate-vs-interstate-decodergit clone --depth 1 https://github.com/x3allamerican/skillsWrote 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.
[](https://agentmods.dev/skills/x3allamerican/skills/intrastate-vs-interstate-decoder)<a href="https://agentmods.dev/skills/x3allamerican/skills/intrastate-vs-interstate-decoder"><img src="https://agentmods.dev/badge/skills/x3allamerican/skills/intrastate-vs-interstate-decoder/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.
<a href="https://agentmods.dev/skills/x3allamerican/skills/intrastate-vs-interstate-decoder"><img src="https://agentmods.dev/badge/skills/x3allamerican/skills/intrastate-vs-interstate-decoder.svg" alt="Reviewed on agentmods" width="80" height="20"></a>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.
| Model | Per session | Once invoked |
|---|---|---|
| Fable 5.1 | $0.00087 | $0.01524 |
| Opus 5.5 | $0.00035 | $0.00610 |
| Sonnet 5.5 | $0.00017 | $0.00305 |
| Haiku 4.5 | $0.00009 | $0.00152 |
Grade A, and why
intrastate-vs-interstate-decoder 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.
How it starts
The opening of the file, as written. The whole thing — 113 lines — stays where its author put it; the contents beside it link to each section on GitHub.
Intrastate vs Interstate — Decoder
Whether a CMV operation is interstate or intrastate determines which rules apply. Most federal motor carrier regulation only applies to interstate. Getting this wrong means either (a) over-complying (wasted effort) or (b) under-complying (federal violation).
Federal definitions (49 CFR 390.5)
Interstate commerce =
- Trade, traffic, or transportation between:
- A place in a state and a place outside that state (including outside the US), OR
- Two places in the same state, when the goods/passengers are coming FROM or going TO another state, OR
- Trade originating in one state, going through a 2nd state on the way to a 3rd state.
Intrastate commerce = entirely within one state's borders, not part of an interstate journey.
The "continuation of journey" trap
A truck operating wholly within Texas BUT delivering goods that originated in or are headed to another state = interstate commerce. The federal rules apply.
Example: a Texas trucker picks up goods from a railhead in Dallas (goods were shipped from California by rail) and delivers them within Texas. This is interstate commerce because the goods originated outside Texas.
Example: a Texas trucker picks up cattle in San Antonio and delivers them within Texas. If those cattle are then loaded onto an interstate truck for delivery to Iowa, the original Texas leg becomes interstate.
Why it matters
| Rule | Interstate (federal) | Intrastate (state) |
|---|---|---|
| HOS limits | 49 CFR 395 (11/14/60-70) | State rules — often mirror federal, but vary |
| ELD mandate | Yes (with exemptions) | State-specific; many states still allow paper |
| Driver Qualification | 49 CFR 391 | State rules — often less strict |
| Drug & Alcohol | 49 CFR 382 | State rules — often less strict |
| Vehicle Maintenance | 49 CFR 396 | State rules |
| MCS-150 | Required | Not required (federal); states may require own |
| Operating Authority MC# | Required | Not required (federal); state PUC may require own |
| Insurance Federal Filing | Yes (MCS-90/BMC-91/91X) | State rules |
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.
- 1mo ago First seen · 113 lines · 87 tokens per session scan A 3404b23b174b
intrastate-vs-interstate-decoder is a skill published in the GitHub repository x3allamerican/skills (3 stars, last pushed 5mo ago), licensed Apache-2.0. It adds 87 tokens to every session and 1,524 once invoked, about $0.0003 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 2026-09-03.
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