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aws-cloudformation-rds

Provides AWS CloudFormation patterns for Amazon RDS databases. Use when creating RDS instances (MySQL, PostgreSQL, Aurora), DB clusters, multi-AZ deployments, parameter groups, subnet groups, and implementing template structure with Parameters, Outputs, Mappings, Conditions, and cross-stack references.

58

Quality

73%

Does it follow best practices?

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SecuritybySnyk

Passed

No findings from the security scan

Fix and improve this skill with Tessl

tessl review fix ./plugins/developer-kit-aws/skills/aws-cloudformation/aws-cloudformation-rds/SKILL.md

The canonical home for this skill is giuseppe-trisciuoglio/developer-kit

SKILL.md
Quality
Evals
Security

Quality

Content

50%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 thorough, code-rich reference that is let down by heavy duplication, basic-concept over-explanation, a checkpoint-free main workflow, and broken bundle references. Content is actionable but far from token-efficient and poorly split across files.

Suggestions

Deduplicate the Aurora MySQL/PostgreSQL examples that recur across Quick Start, Examples, and RDS Database Components, and move the bulk parameter/mapping/condition reference tables into references/reference.md to reduce the body length.

Add explicit validation checkpoints to the Instructions workflow (e.g. 'Validate with cfn-lint', 'Create a change set and review for Replacement before executing') since RDS changes are destructive.

Fix the broken Related Resources links so 'EXAMPLES.md' and 'REFERENCE.md' resolve to 'references/examples.md' and 'references/reference.md'.

DimensionReasoningScore

Conciseness

The ~1880-line body noticeably duplicates examples (Aurora MySQL appears in Quick Start, Examples, and RDS Components) and explains concepts Claude already knows ('The Resources section is the only required section', 'Use NoEcho for passwords'), making it padded rather than lean.

2 / 5

Actionability

Mostly executable YAML templates and CLI commands covering common cases, but a few malformed snippets (e.g. 'DBInstanceClass.t3.medium: db' and nested !ImportValue/Fn::Sub blocks) leave minor gaps.

4 / 5

Workflow Clarity

The 8-step Instructions are sequenced but lack validation checkpoints, and because RDS operations are destructive the missing feedback loops cap this score at 3 despite scattered safety sections (stack policies, change sets, drift detection).

3 / 5

Progressive Disclosure

Structure and bundle files (references/examples.md, references/reference.md) exist, but bulk reference material is inlined in SKILL.md and two of four links ('EXAMPLES.md', 'REFERENCE.md') are broken paths missing the references/ prefix.

3 / 5

Total

12

/

20

Passed

Description

88%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, third-person description that concretely states capabilities and triggers with comprehensive RDS-specific actions. Minor gaps are the absence of file-extension triggers and slight overlap risk with generic CloudFormation skills.

DimensionReasoningScore

Specificity

Lists multiple concrete actions — 'creating RDS instances (MySQL, PostgreSQL, Aurora), DB clusters, multi-AZ deployments, parameter groups, subnet groups' plus template sections — giving comprehensive coverage of the RDS CloudFormation surface.

5 / 5

Completeness

Explicitly answers both 'what' ('Provides AWS CloudFormation patterns for Amazon RDS databases') and 'when' ('Use when creating RDS instances...') with concrete trigger phrases in third person.

5 / 5

Trigger Term Quality

Strong natural terms (RDS, MySQL, PostgreSQL, Aurora, multi-AZ, CloudFormation) a user would say, but lacks file extensions (.yaml) and common synonyms, so it is not fully comprehensive.

4 / 5

Distinctiveness Conflict Risk

Clear RDS-plus-CloudFormation niche with distinct triggers, but the opening 'AWS CloudFormation patterns' leaves minor overlap risk with a general CloudFormation skill.

4 / 5

Total

18

/

20

Passed

Validation

81%

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

Validation — 13 / 16 Passed

Validation for skill structure

CriteriaDescriptionResult

skill_md_line_count

SKILL.md is long (1882 lines); consider splitting into references/ and linking

Warning

allowed_tools_field

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

Warning

relative_links

Relative link issues: 2 missing

Warning

Total

13

/

16

Passed

Repository

fernandezbaptiste/developer-kit

Path

plugins/developer-kit-aws/skills/aws-cloudformation/aws-cloudformation-rds/SKILL.md

Reviewed

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