routing-traffic-with-route53-and-cloudfront

Configures Amazon Route 53 to route traffic to a CloudFront distribution using a custom domain. Use when setting up DNS alias records, alternate domain names (CNAMEs), ACM certificates for HTTPS, and IPv6 support for CloudFront.

Quality

86%

Does it follow best practices?

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Securityby

Passed

No findings from the security scan

Quality

Content

86%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.

A well-structured overview skill: lean body, actionable troubleshooting guidance with specific facts and commands, a clearly sequenced procedure summary, and an exemplary one-level-deep reference split. The detailed procedure's commands and explicit validation loops live in the reference file, which is appropriate but keeps body-level actionability and workflow clarity at 4.

Dimension	Reasoning	Score
Conciseness	The ~37-line body is lean with no padding or explanations of concepts Claude already knows; each line carries non-obvious value ("ACM certificates for CloudFront must be in us-east-1", "Changes typically propagate within 60 seconds but full global propagation can take up to 48 hours"). Every token earns its place, matching the level 5 anchor.	5 / 5
Actionability	Troubleshooting entries are concrete directives ("Add the domain as an alternate domain name in the CloudFront distribution configuration", "Create a public hosted zone", "Use `nslookup` or `dig` to verify") and the core procedure is delegated via "follow the procedure exactly" to the bundled reference. This is mostly executable guidance; the body itself stops short of commands for the main flow, matching level 4 rather than the copy-paste-ready level 5.	4 / 5
Workflow Clarity	The body summarizes the multi-step process in a clear sequence ("Verifying CloudFront distribution status and CNAME configuration" → "Requesting and validating ACM certificates (must be in us-east-1)" → hosted zone → "Creating alias A and AAAA records" → "Monitoring DNS propagation"), with verification/monitoring checkpoints named. Checkpoints are summary-level only since details live in the reference, so level 4 ('most checkpoints present; minor validation gaps') fits better than level 5's explicit validate/fix/retry loops.	4 / 5
Progressive Disclosure	The body is a clear overview with a well-signaled, one-level-deep reference ([Route 53 CloudFront routing procedure](references/route53-cloudfront-routing.md)) that exists in the bundle and contains no nested references; the split (overview + condensed troubleshooting inline, full procedure in the reference) is appropriate and easy to navigate, matching the level 5 anchor.	5 / 5
	Total	18 / 20 Passed

Description

87%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.

A strong description: third-person, concrete, and appropriately concise, with an explicit 'Use when' clause listing the exact sub-tasks a user would name. The only improvement space is slightly broader trigger phrasing (e.g., 'point a domain to CloudFront') and mentioning hosted zone management.

Dimension	Reasoning	Score
Specificity	"Configures Amazon Route 53 to route traffic to a CloudFront distribution using a custom domain" names the domain and concrete actions, and the trigger clause enumerates specifics ("DNS alias records, alternate domain names (CNAMEs), ACM certificates for HTTPS, and IPv6 support"). Minor gaps in coverage (e.g., hosted zone creation is not mentioned), matching the 'several specific actions; minor gaps' anchor rather than the fully comprehensive level 5.	4 / 5
Completeness	Both parts are explicit: the what ("Configures Amazon Route 53 to route traffic to a CloudFront distribution using a custom domain") and the when ("Use when setting up DNS alias records, alternate domain names (CNAMEs), ACM certificates for HTTPS, and IPv6 support for CloudFront") with concrete trigger phrases. This matches the level 5 anchor; level 4 would require the 'when' to be less explicit, which it is not.	5 / 5
Trigger Term Quality	Natural terms users would say are present: "Route 53", "CloudFront", "custom domain", "DNS alias records", "CNAMEs", "ACM certificates", "HTTPS", "IPv6". A few natural phrasings are missing (e.g., "point/connect a domain to CloudFront"), so it sits just below the comprehensive-with-synonyms level 5 anchor and clearly above level 3.	4 / 5
Distinctiveness Conflict Risk	The Route 53 + CloudFront alias-routing combination is a clear niche with distinct trigger terms ("DNS alias records", "alternate domain names", "ACM certificates for CloudFront"); minimal conflict risk with generic DNS or CDN skills. Level 4's 'minor overlap risk with closely related skills' is a slightly worse fit than level 5's 'clear niche with distinct triggers'.	5 / 5
	Total	18 / 20 Passed

Validation

93%

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 — 15 / 16 Passed

Validation for skill structure

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

	Total	15 / 16 Passed

Repository: aws/agent-toolkit-for-aws
Path: skills/specialized-skills/networking-and-content-delivery-skills/routing-traffic-with-route53-and-cloudfront/SKILL.md
Commit: b8171ad

Reviewed: 5 days ago

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