Sigil: Test Derivation
SkillAI & modelsDeterministically derive a test-obligation spec from a DomainSpec feature's aspect docs (no LLM in the derivation path).
Available today. Use it from your connected AI after setup.
No other account needed.
Connect ahel once, and every AI you use reads what you have installed.
Then ask your AI: use the Sigil: Test Derivation skill
What this skill tells your AI
The instructions your AI receives, as published by cyberalchemyai/arcanum in arcana/test-derivation/SKILL.md and read by ahel’s review.
## Test Derivation
- Feature: <name>
- Obligations derived: <count> (by rule type)
- Determinism: content-addressed keys | round-trip oracle <pass/fail>
- Output: TEST-SPEC.md (+ tests)
- Coverage: engine ⊇ committed? <yes/no>
Signals
- GitHub stars
- 25
- Forks
- 3
- Last commit
- Sep 2026
Advanced
- Catalog kind
- skill
- Gateway key
test-derivation- Source
- github.com/cyberalchemyai/arcanum