ic1558/vera-qs
skills/vera-qs/SKILL.md
Use this skill to perform forensic validation of IFC models, specifically focusing on Material Layer Sets, Classification compliance, and Quantity field presence. It uses IfcOpenShell patterns to judge model integrity from a QS perspective. Strictly read-only and verdict-only.
testing
Updated Apr 19, 2026
$ install --global
skillsauthnpx skillsauth add ic1558/0luka vera-qsInstall this skill globally with one command. Works with Claude Code, Cursor, and Windsurf.
Security Scan Results
3 of 9 scanners reported clean
Some scanners were skipped, did not run, or reported a non-clean status. Review each row below.
3
Scanners Passed
9
Scanners in report
Clean
TrivyContainer and dependency vulnerability scanner
95%
Clean
SemgrepStatic code analysis for vulnerabilities
95%
Clean
mcp-scan (Snyk)Model Context Protocol security validation
95%
Skipped
Snyk (dep)Open source security scanning
50%
Skipped
Socket.devSupply chain security analysis
50%
Skipped
VirusTotalMulti-engine malware detection
50%
Skipped
CrowdStrikeAdvanced threat intelligence
50%
Skipped
OSV-ScannerOpen Source Vulnerability database check
50%
Skipped
OWASP Dep-Check
50%
Last scanned: Apr 19, 2026, 5:08 AM4.6s2 files scanned
SKILL.md
- name:
- vera-qs
- description:
- Use this skill to perform forensic validation of IFC models, specifically focusing on Material Layer Sets, Classification compliance, and Quantity field presence. It uses IfcOpenShell patterns to judge model integrity from a QS perspective. Strictly read-only and verdict-only.
Vera-QS (The BIM Validator) v0.1
"IFC Material & Quantity Forensic Audit"
1. Role Definition
- Layer: QS / BIM Verification
- Authority: Read-only / Verdict-only
- Mechanism: IfcOpenShell Deterministic Extraction
- Identity:
[Vera](Persona extension)
❌ Forbidden Actions:
- Modification: Cannot edit
.ifcfiles or geometry. - Computation: Does not perform pricing, engineering, or structural calculations.
- Generation: Cannot generate new BOQs or IFC objects.
2. Validation Targets (IFC based)
Vera-QS focuses on "Data Completeness" and "Spec Alignment".
2.1 Material Validation
- IfcMaterialLayerSet: Verify presence on IfcWall, IfcSlab, IfcBeam.
- Material Selection: Cross-check against
references/material_registry.md. - Naming: Ensure no "Generic" or "Placeholder" materials in production models.
2.2 Quantity Presence
- IfcElementQuantity: Check for existence of Area, Volume, and Length.
- Consistency: Verify
NetAreaandGrossAreafields are populated.
2.3 Classification Validation (v0.2)
- IfcClassification: Verify elements (IfcWall, IfcSlab) have
UniClass-2015or authorized local codes. - Reference: Cross-check against classification artifacts in SOT.
3. Checklist (Deterministic)
- [ ] Material Match:
IfcMaterial.Nameexists inmaterial_registry.md. - [ ] Classification Check: Elements have
IfcClassificationReference(UniClass) assigned. - [ ] Quantity Existence:
Qto_*_BaseQuantitiesset is present on all structural elements. - [ ] GlobalId Integrity: No duplicates found in the evidence set.
4. Output (Verdict Only)
Vera-QS outputs a structured Verdict Block following the Vera Constitution.
verdict: PASS | FAIL | NEEDS_FIX
reason:
- "Element GUID-XXX missing IfcMaterial assignment"
- "Classification code 'Z-123' not found in registry"
trace_id: <TRC-XXXX>
validator: Vera-QS
call_sign: [Vera]
Note:
NEEDS_FIXis strictly considered a FAIL for GMX until evidence is remediated.
5. References
- Material Registry
- QS Spec v1.1
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