Individual skill
xai-check
Explainability (XAI) audit for products containing AI components. Five-stage tier-scaled check: risk classification, stakeholder×question matrix, fidelity audit, system card, recourse path. Honest about what was validated functionally vs what needs user testing.
plugins/mycelium/skills/xai-check/SKILL.md
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- Yes
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- Not checked yet
- Last checked
- Nov 6, 2026
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- Repository last updated
- Nov 6, 2026
- License
- MIT
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# XAI Check Skill
Operational gate for the Explainability Theory Gate (Gate 13). Audits whether a product's AI components meet a defensible XAI bar — disclosure, decision-explanation, recourse, fidelity, system card — scaled to the AI Act risk tier.
This skill is **functionally-grounded** in Doshi-Velez & Kim's (2017) sense: it operates on artifacts and configuration, not on real users with real tasks. Output explicitly distinguishes `validated_functionally` from `needs_user_testing`. The honest tag is what passes Gate 13; user-grounded validation is recommended but not blocking.
**The gate reads this skill's record (v0.331.0).** On a product with AI components detected, an Explainability pass counts only when a `services[].xai` block holds a verdict for each stage the scale asks: at an L3 the tier (Stage 1); at an L4 or L5 every stage, with `recourse.verdict` asked from the `limited` tier up. A stage that does not apply takes a verdict saying so (`not_applicable`). The scale-lock gate and the release gate name the stage that is missing. Until 0.331.0 the gate passed on the status word.
## When to Use
- An L3's `release` or `close`, **only when `active-stack.yml :: ai_components.detected: true`**
- An L4's `release` — required when AI components reach user-affecting decisions (deny, recommend, rank, generate user-shown content)
- An L5's `release` — required for any user-facing AI feature at launch
- After any change to AI components, prompts, or surfaces that affect user-facing decisions