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terraform-module-library

Production-ready Terraform module patterns for AWS, Azure, and GCP infrastructure.

40

Quality

40%

Does it follow best practices?

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tessl review fix ./skills/terraform-module-library/SKILL.md
SKILL.md
Quality
Evals
Security

Quality

Content

43%Scale 1-5

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

This skill provides good concrete Terraform examples but suffers from verbosity, lack of workflow structure, and missing validation steps. The inline VPC module example is thorough but would be better placed in a referenced file, with the SKILL.md serving as a concise overview. The instructions section is generic and doesn't provide Terraform-specific workflow guidance including critical validation steps like `terraform validate` and `terraform plan` review.

Suggestions

Add an explicit workflow with validation checkpoints: terraform fmt → terraform validate → terraform plan (review) → terraform apply, with error recovery guidance.

Move the full VPC module example into a referenced bundle file (e.g., assets/vpc-module/) and keep only a concise snippet inline showing the key pattern.

Replace the generic 'Instructions' section with Terraform-specific actionable steps (e.g., 'Run terraform validate before plan', 'Review plan output for unexpected destroys').

Remove filler sections like 'Do not use this skill when' with generic content and the 'Purpose' section that duplicates the opening description.

DimensionReasoningScore

Conciseness

The skill is noticeably verbose. It includes sections like 'Purpose' and 'Use this skill when' that repeat the description, explains basic concepts Claude already knows (module structure, best practices like 'document all variables'), and the full VPC module example with main.tf, variables.tf, and outputs.tf is extensive inline content that could be referenced. The 'Do not use this skill when' section is generic filler.

2 / 5

Actionability

The skill provides concrete, executable HCL code for a VPC module including main.tf, variables.tf, outputs.tf, module composition, and a Go test file. These are copy-paste ready. However, it lacks specific commands for the workflow (e.g., terraform init/plan/apply commands) and the instructions section is vague ('Clarify goals, constraints, and required inputs').

4 / 5

Workflow Clarity

There is no clear sequenced workflow for creating, validating, or deploying a Terraform module. The content presents patterns and examples but never walks through the process of building a module step-by-step. For infrastructure operations that can be destructive (terraform apply), there are no validation checkpoints like terraform plan review, terraform validate, or linting steps. The 'Instructions' section is extremely vague.

2 / 5

Progressive Disclosure

The skill references external files (assets/vpc-module/, references/aws-modules.md, resources/implementation-playbook.md) which suggests an intent for progressive disclosure, but no bundle files are provided to verify these exist. The inline content is quite long (~200 lines of HCL) that could be better placed in referenced files. The reference section at the bottom is reasonably organized but the bulk of content is inlined.

3 / 5

Total

11

/

20

Passed

Description

36%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 identifies the technology domain (Terraform) and target cloud providers but fails to describe concrete actions or provide trigger guidance for when Claude should select this skill. It reads more like a tagline than a functional skill description, lacking both the specificity of capabilities and the explicit 'Use when...' clause needed for reliable skill selection.

Suggestions

Add a 'Use when...' clause with trigger terms like 'Terraform module', 'infrastructure as code', 'IaC', 'HCL', '.tf files', 'cloud provisioning'.

Replace 'production-ready patterns' with concrete actions such as 'Generates Terraform module boilerplate, configures provider blocks, defines resource dependencies, sets up remote state backends, and structures variable/output definitions'.

Include common synonyms and file extensions users might mention: 'IaC', 'infrastructure as code', 'HCL', '.tf', 'terraform plan', 'terraform apply'.

DimensionReasoningScore

Specificity

Names the domain (Terraform modules for cloud infrastructure) but actions are minimal - 'production-ready patterns' is vague and doesn't describe concrete actions like 'creates VPCs', 'provisions EC2 instances', or 'generates module boilerplate'.

2 / 5

Completeness

Has a vague 'what' (production-ready Terraform module patterns) but completely lacks a 'when' clause. There is no explicit guidance on when Claude should select this skill, which per the rubric should cap completeness at 3, and the weak 'what' brings it down to 2.

2 / 5

Trigger Term Quality

Includes relevant keywords like 'Terraform', 'module', 'AWS', 'Azure', 'GCP', and 'infrastructure' which users would naturally mention. However, it's missing common synonyms and related terms like 'IaC', 'infrastructure as code', '.tf files', 'HCL', 'cloud provisioning', or 'terraform plan/apply'.

3 / 5

Distinctiveness Conflict Risk

Terraform is a fairly specific domain, and mentioning AWS/Azure/GCP helps narrow scope. However, it could overlap with general cloud infrastructure skills, IaC skills, or cloud-specific deployment skills. The term 'patterns' is vague enough to create ambiguity.

3 / 5

Total

10

/

20

Passed

Validation

90%

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

Validation10 / 11 Passed

Validation for skill structure

CriteriaDescriptionResult

frontmatter_unknown_keys

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

Warning

Total

10

/

11

Passed

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

Table of Contents

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