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optimizing-cloud-costs

Execute use when you need to work with cloud cost optimization. This skill provides cost analysis and optimization with comprehensive guidance and automation. Trigger with phrases like "optimize costs", "analyze spending", or "reduce costs".

64

Quality

77%

Does it follow best practices?

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Adds up to 20 points to the overall score

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SecuritybySnyk

Passed

No findings from the security scan

Fix and improve this skill with Tessl

tessl review fix ./plugins/devops/cloud-cost-optimizer/skills/optimizing-cloud-costs/SKILL.md
SKILL.md
Quality
Evals
Security

Quality

Content

65%

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

The body is concise and well-structured, but actionability and workflow clarity are weakened by abstract IaC steps and missing validation checkpoints for destructive cleanup operations. Progressive disclosure is underused: bundled scripts and templates exist but are never referenced from the main body.

Suggestions

Link the existing bundle files from the relevant steps, e.g. step 10 should reference scripts/generate_cost_report.py and assets/cost_report_template.csv.

Add an explicit validation checkpoint before destructive cleanup, e.g. 'Run cleanup scripts in dry-run mode, review the resource list with the user, then apply only after confirmation'.

Make step 8 actionable by specifying what Terraform/IaC changes to produce or by pointing to a template rather than leaving 'Generate Terraform/IaC changes' abstract.

DimensionReasoningScore

Conciseness

The body is lean and well-organized across ~50 lines with no padding explaining concepts Claude already knows; every section (Prerequisites, Instructions, Error Handling) earns its place. It matches the score 3 anchor of assuming Claude's competence with every token earning its place.

3 / 3

Actionability

It gives concrete commands ('aws ce get-cost-and-usage', 'gcloud billing budgets list') and specific thresholds (50%/80%/100%, CPU <5% over 14 days), but step 8 'Generate Terraform/IaC changes' is abstract and the existing generate_cost_report.py script is never linked from the body. It is not score 1 because real commands and criteria are present, but not score 3 because key steps are not copy-paste executable.

2 / 3

Workflow Clarity

Steps are clearly sequenced 1-10 and the Error Handling table provides recovery guidance, but the workflow involves destructive batch operations (idle resource cleanup) with no explicit validation checkpoint in the main sequence (e.g., dry-run-then-confirm). Per the rubric, missing validation checkpoints for destructive/batch operations caps this at score 2.

2 / 3

Progressive Disclosure

Bundle files exist (scripts/generate_cost_report.py, asset templates) but the body never signals or links them — the Resources section points only to external docs URLs. There is structure but references to the bundle are not clearly signaled, matching the score 2 anchor rather than the score 3 'well-signaled one-level-deep references'.

2 / 3

Total

9

/

12

Passed

Description

90%

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

The description is strong on triggers, completeness, and distinctiveness, with explicit 'use when' guidance and natural trigger phrases. Its main weakness is specificity, where 'comprehensive guidance and automation' reads as fluff instead of naming concrete optimization actions.

Suggestions

Replace 'comprehensive guidance and automation' with concrete actions, e.g. 'identify idle resources, recommend rightsizing, evaluate reserved instance coverage, and apply S3 lifecycle policies'.

Add a few more natural trigger variations such as 'cloud bill', 'spend', or 'FinOps' to broaden trigger coverage.

DimensionReasoningScore

Specificity

The description names the cloud cost optimization domain and a few broad actions ('cost analysis and optimization'), but 'comprehensive guidance and automation' is vague fluff and no concrete actions (rightsizing, reserved instances, tiering) are listed. It is not score 1 because it does name the domain and some actions, but it falls short of score 3's 'multiple specific concrete actions'.

2 / 3

Completeness

It answers both 'what' (cost analysis and optimization) and 'when' with an explicit 'Execute use when...' clause plus 'Trigger with phrases like...'. This matches the score 3 anchor that requires explicit triggers for both what and when.

3 / 3

Trigger Term Quality

It surfaces natural phrases a user would actually say — 'optimize costs', 'analyze spending', 'reduce costs' — giving good coverage of common trigger variations. It is above score 2 because these are genuinely natural terms rather than technical jargon.

3 / 3

Distinctiveness Conflict Risk

'Cloud cost optimization' is a clear niche with distinct, domain-specific triggers unlikely to fire for unrelated skills. It matches the score 3 anchor of a clear niche with distinct triggers.

3 / 3

Total

11

/

12

Passed

Validation

87%

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

Validation14 / 16 Passed

Validation for skill structure

CriteriaDescriptionResult

allowed_tools_field

'allowed-tools' contains unusual tool name(s)

Warning

frontmatter_unknown_keys

Unknown frontmatter key(s) found; consider removing or moving to metadata

Warning

Total

14

/

16

Passed

Repository
jeremylongshore/claude-code-plugins-plus-skills
Reviewed

Table of Contents

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