Content
27%Reviews the quality of instructions and guidance provided to agents. Good implementation is clear, handles edge cases, and produces reliable results.
This skill provides useful AWS CLI commands for cost analysis but suffers from significant verbosity and poor organization. Much of the content (example prompts, best practices, Kiro CLI integration, resource links) adds little value for Claude and inflates the token cost. The actionable CLI commands are its strongest element, but the lack of validation checkpoints for destructive operations and the monolithic structure weaken its effectiveness.
Suggestions
Remove the 'Example Prompts', 'Additional Resources', 'Integration with Kiro CLI', and 'When to Use This Skill' sections — these don't teach Claude how to perform the task and waste tokens.
Split the detailed CLI commands into a separate reference file (e.g., AWS_CLI_COMMANDS.md) and keep only the most essential commands inline in SKILL.md.
Add explicit validation steps to the workflow, especially before and after destructive operations (e.g., 'Run describe-volumes again to confirm deletion; compare cost before/after').
Trim the 'Core Capabilities' section to just the workflow steps — the bullet list of capabilities duplicates what the commands and workflow already convey.
| Dimension | Reasoning | Score |
|---|---|---|
Conciseness | The skill is very verbose with significant padding. The 'When to Use This Skill' section, 'Core Capabilities' bullet lists, 'Example Prompts' section, 'Best Practices' list, 'Additional Resources' links, and 'Integration with Kiro CLI' section all add tokens without teaching Claude anything it doesn't already know. The checklist format repeats information already covered. Much of this reads like documentation for a human rather than concise instructions for Claude. | 1 / 3 |
Actionability | The AWS CLI commands are concrete and mostly executable, which is good. However, several commands contain placeholder values (i-xxxxx, mydb) without clear guidance on substitution, and the date commands use GNU date syntax (-d flag) which isn't portable. The optimization workflow is more of a strategic outline than executable guidance, and the 'Example Prompts' section describes what to ask rather than what to do. | 2 / 3 |
Workflow Clarity | The 4-step optimization workflow provides a reasonable sequence, and the safety notes mention verification before deletion. However, there are no explicit validation checkpoints or feedback loops — for example, after deleting unattached EBS volumes, there's no step to verify the deletion succeeded or confirm cost impact. For destructive operations like resource deletion, the lack of validate-fix-retry loops caps this at 2. | 2 / 3 |
Progressive Disclosure | The content is a monolithic wall of text with no bundle files to reference. Everything is inline — the CLI commands, the checklist, the best practices, the example prompts — resulting in a very long document. Content like the detailed CLI command reference, the checklist, and the example prompts could be split into separate files with clear references from the main skill. | 1 / 3 |
Total | 6 / 12 Passed |