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aws-cost-optimizer

Comprehensive AWS cost analysis and optimization recommendations using AWS CLI and Cost Explorer

71

1.17x
Quality

59%

Does it follow best practices?

Impact

94%

1.17x

Average score across 3 eval scenarios

SecuritybySnyk

Passed

No findings from the security scan

Fix and improve this skill with Tessl

tessl review fix ./plugins/AI-Agents-Safe-Coding-Skills-claude/skills/aws-cost-optimizer/SKILL.md

The canonical home for this skill is aws-cost-optimizer in boisenoise/skills-collections

SKILL.md
Quality
Evals
Security

Quality

Content

65%Weight 40%Scale 1-5

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

The content is highly actionable with real, executable AWS CLI commands and a clear optimization workflow, but it is held back by redundant overlapping sections, missing validation checkpoints in the destructive Quick Wins phase, and no progressive disclosure via bundle files.

Suggestions

Embed an explicit validation checkpoint in the Quick Wins phase, e.g. "Verify each resource is truly unused (no recent I/O, no tags indicating production) before deleting."

Consolidate the overlapping "When to Use", "Core Capabilities", "Cost Optimization Checklist", and "Best Practices" sections to remove restated material.

Move the full CLI command reference and/or checklist into a reference file linked from the body to introduce one-level-deep progressive disclosure.

DimensionReasoningScore

Conciseness

The body is mostly lists and executable commands with no over-explanation of known concepts, but "When to Use", "Core Capabilities", "Cost Optimization Checklist", and "Best Practices" restate overlapping material that could be consolidated.

3 / 5

Actionability

Provides copy-paste-ready AWS CLI commands (cost-and-usage, describe-volumes, describe-addresses, describe-snapshots, CloudWatch metrics) that are fully executable and cover the common optimization cases.

5 / 5

Workflow Clarity

A clear four-phase sequence (Baseline, Quick Wins, Strategic, Monitoring) is present, but the destructive/batch Quick Wins lack embedded validation checkpoints, capping workflow clarity at 3.

3 / 5

Progressive Disclosure

Section headers are well organized, but with no bundle files or one-level references the ~185-line skill keeps all content inline, some of which (CLI reference, checklist) could be split out.

3 / 5

Total

14

/

20

Passed

Description

53%Weight 40%Scale 1-5

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 clearly names the AWS cost-optimization domain and tooling but relies on generic action words and omits any explicit "Use when" trigger guidance. It is distinct but would benefit from concrete capabilities and natural trigger phrases.

Suggestions

Add concrete capabilities, e.g. "Identify idle EC2 instances, unattached EBS volumes, and unused Elastic IPs; recommend Reserved Instance and rightsizing opportunities."

Append a trigger clause such as "Use when analyzing AWS spending, reducing cloud waste, or finding cost-optimization opportunities."

Include natural synonyms users say ("AWS bill", "spending", "cloud waste") alongside the technical terms.

DimensionReasoningScore

Specificity

Names the AWS-cost domain plus two actions ("cost analysis", "optimization recommendations") and specific tools ("AWS CLI and Cost Explorer"), but the actions are generic rather than a comprehensive list of concrete capabilities.

3 / 5

Completeness

A clear "what" is stated but there is no "Use when..." clause or equivalent trigger guidance, so completeness is capped at 3 per the rubric guideline.

3 / 5

Trigger Term Quality

Relevant keywords like "AWS cost analysis", "optimization recommendations", and "Cost Explorer" are present, but common user phrasings such as "spending", "reduce my AWS bill", or "cloud waste" are missing.

3 / 5

Distinctiveness Conflict Risk

The AWS-cost niche is distinct with minimal conflict risk, but the generic phrasing ("comprehensive... analysis... recommendations") keeps it just below the fully-distinct anchor.

4 / 5

Total

13

/

20

Passed

Validation

93%

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

Validation15 / 16 Passed

Validation for skill structure

CriteriaDescriptionResult

frontmatter_unknown_keys

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

Warning

Total

15

/

16

Passed

Repository
administrakt0r/AI-Agents-Safe-Coding-Skills
Reviewed

Table of Contents

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