eks

AWS EKS Kubernetes management for clusters, node groups, and workloads. Use when creating clusters, configuring IRSA, managing node groups, deploying applications, or integrating with AWS services.

1.03x

Quality

82%

Does it follow best practices?

Impact

84%

1.03x

Average score across 3 eval scenarios

Securityby

Advisory

Suggest reviewing before use

Quality

Content

64%

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

This is a solid, comprehensive EKS reference skill with excellent actionability—nearly every section includes executable commands and complete examples. However, it's overly long for a single SKILL.md, mixing quick-start patterns with detailed reference material that could be split into supporting files. Adding validation checkpoints between multi-step operations (especially cluster and node group creation) would improve workflow safety.

Suggestions

Add explicit validation/verification steps between multi-step operations (e.g., verify IAM role creation before creating cluster, verify OIDC provider before IRSA setup)

Move the CLI Reference tables and detailed manual IRSA setup into separate bundle files, keeping SKILL.md focused on the most common patterns with links to details

Remove the introductory explanation of EKS and core concepts like 'Control Plane' that Claude already understands—jump straight to actionable patterns

Dimension	Reasoning	Score
Conciseness	The skill is fairly comprehensive but includes some unnecessary content Claude already knows (e.g., explaining what EKS is, what a control plane is, basic Kubernetes concepts). The CLI reference tables largely duplicate information already shown in the examples above. The content could be tightened significantly.	2 / 3
Actionability	Excellent actionability with fully executable CLI commands, complete YAML manifests, and copy-paste ready code blocks. Commands include all necessary flags and parameters, and both AWS CLI and eksctl approaches are shown for cluster creation.	3 / 3
Workflow Clarity	Multi-step processes like cluster creation are presented sequentially with clear commands, but lack explicit validation checkpoints between steps. For example, after creating IAM roles, there's no verification step before proceeding. The 'wait cluster-active' command is good, but similar validation is missing for node group creation and IRSA setup.	2 / 3
Progressive Disclosure	The content is well-structured with a table of contents and clear sections, but it's a monolithic document (~300 lines) with no bundle files to offload detailed content. The CLI reference tables, detailed IRSA manual setup, and add-on installation could be split into separate reference files to keep the main skill leaner.	2 / 3
	Total	9 / 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.

This is a strong skill description that concisely covers specific capabilities, includes natural trigger terms, and clearly delineates both what the skill does and when to use it. It uses proper third-person voice and is well-scoped to AWS EKS, minimizing conflict risk with other skills. Minor improvement could include mentioning file extensions or additional user phrasings like 'kubectl' or 'helm'.

Dimension	Reasoning	Score
Specificity	Lists multiple specific concrete actions: creating clusters, configuring IRSA, managing node groups, deploying applications, and integrating with AWS services. These are distinct, actionable capabilities.	3 / 3
Completeness	Clearly answers both 'what' (AWS EKS Kubernetes management for clusters, node groups, and workloads) and 'when' (explicit 'Use when' clause listing five trigger scenarios: creating clusters, configuring IRSA, managing node groups, deploying applications, integrating with AWS services).	3 / 3
Trigger Term Quality	Includes strong natural keywords users would say: 'EKS', 'Kubernetes', 'clusters', 'node groups', 'IRSA', 'deploying applications', 'AWS services'. These cover the primary terms a user working with EKS would naturally use.	3 / 3
Distinctiveness Conflict Risk	Clearly scoped to AWS EKS specifically, with distinct triggers like 'IRSA', 'EKS', 'node groups' that are unlikely to conflict with generic Kubernetes skills or other AWS service skills. The combination of AWS + EKS + Kubernetes creates a clear niche.	3 / 3
	Total	12 / 12 Passed

Validation

90%

Warnings & errors only

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

Validation — 10 / 11 Passed

Validation for skill structure

Criteria	Description	Result
frontmatter_unknown_keys	Unknown frontmatter key(s) found; consider removing or moving to metadata	Warning

	Total	10 / 11 Passed

Repository: itsmostafa/aws-agent-skills
Commit: 4ab904a

Reviewed: about 1 month ago

Table of Contents

Discovery Implementation Validation

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