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ipprotection-review

Durable review guidance for Firefox's built-in IP Protection (VPN) module, covering panel UI, proxy/channel filtering, authentication, telemetry, and localization.

93

2.20x
Quality

Does it follow best practices?

Impact

97%

2.20x

Average score across 3 eval scenarios

SecuritybySnyk

Passed

No known issues

SKILL.md
Quality
Evals
Security

Quality

Content

100%

Reviews the quality of instructions and guidance provided to agents. Good implementation is clear, handles edge cases, and produces reliable results.

A lean, highly actionable review-conventions skill with concrete symbols and paths throughout, an explicit validation checklist, and well-organized self-contained structure.

DimensionReasoningScore

Conciseness

Dense, terse rules with embedded non-obvious rationale (e.g. 'since the two bindings won't match on removal'); it never explains concepts Claude already knows and assumes competence, so every token earns its place.

3 / 3

Actionability

For an instruction-only skill the guidance is maximally concrete — exact APIs (IPProtectionPanel.setState, Services.obs, nsIIOService::hostnameIsLocalIPAddress, SpecialPowers.pushPrefEnv), exact paths, exact tokens, and exact anti-patterns ('Literals like 50, 150, 0.75, 0.9 ... are review-blocking'), giving actionable verification criteria.

3 / 3

Workflow Clarity

Provides an explicit Review Checklist of validation checkpoints and feedback-loop guidance requiring teardown 'in every exit path, including error and paused transitions', matching the anchor for checklists plus error-recovery feedback loops.

3 / 3

Progressive Disclosure

No bundle files exist and the skill is self-contained; content is organized under clear headers (Module Scope, Standing Conventions, Active Campaigns, Common Pitfalls, File-Glob Guidance, Review Checklist) with no nested references, which scores 3 for a well-organized skill needing no external files.

3 / 3

Total

12

/

12

Passed

Description

82%

Based on the skill's description, can an agent find and select it at the right time? Clear, specific descriptions lead to better discovery.

A specific, distinctive description that clearly conveys the domain and covered scope, but it lacks an explicit 'Use when...' trigger clause, which caps completeness at 2.

Suggestions

Add an explicit 'Use when...' clause, e.g. 'Use when reviewing changes to Firefox IP Protection / VPN code touching panel UI, proxy filtering, auth, telemetry, or localization.'

Lead with the concrete action ('Reviews Firefox IP Protection changes...') before the scope list so the verb reads as a capability rather than a single 'covering' clause.

Surface a couple of natural trigger variations verbatim ('IP Protection', 'VPN', 'IPP') near the front so the description doubles as a trigger phrase.

DimensionReasoningScore

Specificity

Names a concrete domain ('Firefox's built-in IP Protection (VPN) module') and lists five specific scope areas ('panel UI, proxy/channel filtering, authentication, telemetry, and localization'), matching the anchor that lists multiple specific concrete capabilities rather than the partial 'some actions' anchor.

3 / 3

Completeness

Clearly answers 'what' ('Durable review guidance for Firefox's built-in IP Protection (VPN) module, covering...') but has no 'Use when...' or equivalent explicit trigger clause, so the 'when' is only implied — the guideline caps completeness at 2 in this case.

2 / 3

Trigger Term Quality

Includes natural terms a reviewer would say — 'IP Protection', 'VPN', 'Firefox', 'authentication', 'telemetry', 'localization' — with the 'IP Protection (VPN)' dual-form variation, giving good coverage rather than jargon-only language.

3 / 3

Distinctiveness Conflict Risk

'Firefox's built-in IP Protection (VPN) module' is a narrow, distinct niche unlikely to overlap with or trigger other skills.

3 / 3

Total

11

/

12

Passed

Validation

100%

Checks the skill against the spec for correct structure and formatting. All validation checks must pass before discovery and implementation can be scored.

Validation16 / 16 Passed

Validation for skill structure

No warnings or errors.

Repository
mozilla/firefox-aidev-plugins
Reviewed

Table of Contents

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