Csa Basic Threshold Differences
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Install
$ agentstack add skill-x3allamerican-skills-csa-basic-threshold-differences ✓ scanned · ✓ verified, works with Claude Code, Cursor, and more.
Security review
✓ PassedNo issues found. Passed automated security review. · v0.1.0 How review works →
- ✓ Prompt-injection patterns
- ✓ Secret / credential exfiltration
- ✓ Dangerous shell & filesystem operations
- ✓ Untrusted network calls
- ✓ Known-malicious package signatures
What it can access
- ✓ Network access No
- ✓ Filesystem access No
- ✓ Shell / process execution No
- ✓ Environment & secrets No
- ✓ Dynamic code execution No
From automated source analysis of v0.1.0. “Used” means the capability is present in the source — more access means more to trust, not that it’s unsafe.
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Links to your public security report.[](https://agentstack.voostack.com/security/report/skill-x3allamerican-skills-csa-basic-threshold-differences) Reliability & compatibility
Declared compatibility
Compatibility is declared by the source manifest. End-to-end runtime verification is coming, see below.
We're building live execution health for every listing: tool-call success rate, median latency, uptime, and last-checked timestamps, measured, not self-reported. It isn't live yet, so we don't show numbers we can't stand behind.
How agent discovery & health will work →About
BASIC Threshold Differences: General Freight vs Hazmat vs Passenger
The CSA Safety Measurement System (SMS) sets different intervention thresholds depending on what the carrier hauls. Same BASIC score can be alert-level for one carrier and clean for another.
Threshold table
| Carrier type | Unsafe Driving | HOS Compliance | Driver Fitness | Controlled Substances | Vehicle Maintenance | Hazmat Compliance | Crash Indicator | |---|---|---|---|---|---|---|---| | General freight | 65th | 65th | 80th | 80th | 80th | N/A | 65th | | Hazmat carrier | 60th | 60th | 75th | 75th | 75th | 60th | 60th | | Passenger carrier | 50th | 50th | 65th | 65th | 65th | N/A | 50th |
Why the difference
- Hazmat carriers handle materials that can harm public — tighter safety expected
- Passenger carriers carry humans — tighter safety expected
- General freight is property-only — wider tolerance
What "alert threshold" means
- BASIC at or above the threshold percentile = alert
- Triggers FMCSA intervention prioritization
- Combined with crash history can trigger Compliance Review
How peer groups work
FMCSA assigns each carrier to a peer group based on:
- Number of power units (vehicles)
- Inspection volume
- Time in operation
Peer group = pool of similar carriers. Your BASIC percentile is relative to your peer group.
Implications for owner-operator vs fleet
- 1-truck owner-operator: smaller peer group, more volatile percentile
- 50-truck fleet: larger peer group, more stable percentile
- 100+ truck fleet: largest peer group, most stable
Compass dashboard view
Compass CSA module shows your BASIC scores and the relevant threshold for your carrier type. Alert flags trigger when within 5 percentile points of threshold.
CFR citations
- 49 CFR § 385.4
- FMCSA SMS Methodology
How Compass surfaces this
Searchable in Compass Ask. Runs against the carrier's actual fleet data when invoked from the relevant tracker. Read-only; no actions without explicit user approval.
Built by X3 Compass
The AI-powered DOT compliance platform for fleets 1–100 power units. Try a 7-day free trial — no credit card required — at https://x3compass.com/?utmsource=skill&utmmedium=github&utm_campaign=csa-basic-threshold-differences
X3 Compass turns these skills into a complete operational platform: driver qualification files, drug & alcohol consortium, MVR pulls, hours-of-service tracking, hazmat shipping, IFTA filing, FMCSA audit prep, and DataQ dispute drafting — all CFR-cited, all in one place.
This skill is published under the X3 Compass open skills initiative. Contributions welcome at https://github.com/x3fleetsafety/skills
Source & license
This open-source skill is cataloged on AgentStack and links to its original source — we do not rehost the code.
- Author: x3allamerican
- Source: x3allamerican/skills
- License: Apache-2.0
- Homepage: https://x3fleetsafety.com
Install and usage instructions live in the source repository linked above.
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Versions
- v0.1.0 Imported from the upstream source.