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cost-optimization

Optimize cloud costs through resource rightsizing, tagging strategies, reserved instances, and spending analysis. Use when reducing cloud expenses, analyzing infrastructure costs, or implementing cost governance policies.

64

Quality

75%

Does it follow best practices?

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SecuritybySnyk

Passed

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tessl review fix ./skills/cost-optimization/SKILL.md
SKILL.md
Quality
Evals
Security

Quality

Content

50%

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

The body is well-structured and offers real, executable AWS Terraform examples with concrete savings figures, but it is inconsistent: Azure and GCP coverage is generic bullet direction, the framework content is repeated, and there are no validation/feedback loops for impactful cost changes. It is a solid level-2 reference document that has not reached fully lean or fully actionable.

Suggestions

Add explicit validation/verification checkpoints to the framework (e.g., 'after downsizing, confirm utilization stays above threshold for N days before committing to reserved capacity') to raise workflow clarity above 2.

Make Azure and GCP sections as concrete as AWS — provide working Bicep/ARM and Terraform-for-GCP snippets instead of generic bullets like 'Right-size VMs' and 'Delete unused resources'.

De-duplicate the framework bullets from the per-cloud sections and the checklist, and move per-cloud deep-dives into reference files under references/ so SKILL.md stays a lean overview.

DimensionReasoningScore

Conciseness

The body is mostly lean reference material (savings percentages, Terraform snippets) and avoids explaining concepts Claude already knows, but the Cost Optimization Framework bullets are restated across the per-cloud sections and again in the checklist, so it could be tightened. Not the level-3 'every token earns its place' bar.

2 / 3

Actionability

AWS sections give complete, copy-paste Terraform (S3 lifecycle, tagging, budgets, autoscaling) at a level-3 bar, but the Azure, GCP, and framework sections are generic bullet direction like 'Use managed services' and 'Right-size VMs' that describe rather than instruct, so it does not consistently reach fully executable guidance. Not level-1 because substantial real code is present.

2 / 3

Workflow Clarity

The four-phase framework (Visibility, Right-Sizing, Pricing, Architecture) provides a loose sequence, but there are no explicit validation checkpoints or fix-retry feedback loops for impactful actions like downsizing or reserved-capacity commitments. Per the rubric, missing validation for such operations caps this at 2; it is above level-1 because a sequence is present.

2 / 3

Progressive Disclosure

Content is organized into clearly labeled sections, but it is a single ~280-line monolithic file with all per-cloud detail inline and no bundle files (references/, scripts/, assets/ are absent) or one-level-deep references — content that could be split is not. This is the level-2 'some structure but content that should be separate is inline' case rather than a monolithic level-1 wall or a level-3 multi-file overview.

2 / 3

Total

8

/

12

Passed

Description

100%

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 strong description: concrete actions, natural trigger terms, explicit what-and-when guidance, and a distinct cloud-cost niche. Third-person voice is maintained with no over-claims.

DimensionReasoningScore

Specificity

Lists multiple concrete actions — 'resource rightsizing, tagging strategies, reserved instances, and spending analysis' — rather than vague language, matching the level-3 anchor.

3 / 3

Completeness

Explicitly answers both what ('Optimize cloud costs through...') and when ('Use when reducing cloud expenses...') with an explicit 'Use when' trigger clause, matching the level-3 example.

3 / 3

Trigger Term Quality

The 'Use when' clause surfaces natural phrases users would say — 'reducing cloud expenses', 'analyzing infrastructure costs', 'implementing cost governance policies' — with good coverage and not just jargon.

3 / 3

Distinctiveness Conflict Risk

Cloud cost optimization is a clear niche with distinct cost/expense triggers, unlikely to fire for unrelated skills; it is not the level-2 'somewhat specific but could overlap' case.

3 / 3

Total

12

/

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
rmyndharis/antigravity-skills
Reviewed

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