Agent Skill Grading Report: mastering-aws-cli - Score 99/100 (A)

# 🏆 Agent Skill Grading Report

**Score:** 99/100 | **Grade:** A

## Quick Summary of Agent Skill Grades

### Pillar Scores for Agent Skill

| Pillar | Score | Max |
|--------|-------|-----|
| Spec Compliance | 15 | 15 |
| Progressive Disclosure | 28 | 30 |
| Ease of Use | 24 | 25 |
| Writing Style | 9 | 10 |
| Utility | 19 | 20 |
| Modifiers | +4 | ±15 |

### Issues Found: 2
- 🔴 High: 0
- 🟡 Medium: 0
- 🟢 Low: 2

## 📊 Full Grading Report for Agent Skill

# Skill Evaluation Report: mastering-aws-cli

**Links:**
- 📁 **GitHub:** [SpillwaveSolutions/mastering-aws-cli](https://github.com/SpillwaveSolutions/mastering-aws-cli/blob/main/SKILL.md)
- 🛒 **Marketplace:** [View on SkillzWave](https://skillzwave.ai/skill/spillwavesolutions__mastering-aws-cli__mastering-aws-cli__SKILL/)
- 📤 **Submit Skill:** [Submit to SkillzWave](https://skillzwave.ai/submit/) - Skills are ranked, graded, and scanned for security
- 📊 **Tracking:** [All Graded Skills](https://github.com/SpillwaveSolutions/skill_improver/issues)

**Evaluated:** 2026-01-12
**Files Reviewed:** SKILL.md, README.md, references/glue.md, references/aurora.md, references/advanced-patterns.md, references/setup.md, references/ecs.md, references/ecr.md, references/s3.md, references/iam-security.md, references/dynamodb.md, references/eks.md, references/bastion-tunneling.md, references/kinesis.md, references/github-cicd.md, references/lambda.md, references/vpc-networking.md, references/msk.md, references/private-parameters.md
**Grading Model:** Claude (default) (via claude)

---

## Overall Score: 99/100

| Pillar | Score | Max |
|--------|-------|-----|
| Progressive Disclosure Architecture | 28 | 30 |
| Ease of Use | 24 | 25 |
| Spec Compliance | 15 | 15 |
| Writing Style | 9 | 10 |
| Utility | 19 | 20 |
| Modifiers | +4 | ±15 |

**Grade: A**

---

## Executive Summary

This skill demonstrates excellent quality with a score of 99/100. Strongest area: **Spec Compliance** (15/15).

---

## Detailed Scores

### Progressive Disclosure Architecture (28/30)

| Criterion | Score | Max | Assessment |
|-----------|-------|-----|------------|
| Token Economy | 9 | 10 | Excellent density with minimal prose; decision trees, tables, and code examples are highly efficient |
| Layered Structure | 10 | 10 | SKILL.md is perfect navigation hub with 17 focused reference files; clear separation of concerns |
| Reference Depth | 5 | 5 | All 17 references are exactly one level deep; no nested sub-references |
| Navigation Signals | 4 | 5 | TOCs present in long files; decision trees provide excellent wayfinding; some files exceed 500 lines |

### Ease of Use (24/25)

| Criterion | Score | Max | Assessment |
|-----------|-------|-----|------------|
| Metadata Quality | 10 | 10 | Name follows conventions; description is specific with clear scope and 30+ explicit triggers |
| Discoverability | 6 | 6 | Comprehensive trigger list covers AWS services, actions, and common tasks; activates appropriately |
| Terminology Consistency | 4 | 4 | Consistent terminology throughout; aws cli v2, bucket, role terms used uniformly |
| Workflow Clarity | 4 | 5 | Clear checklists for Cross-Account Setup and GitHub OIDC; Safe Deployment Checklist with numbered steps |

### Spec Compliance (15/15)

| Criterion | Score | Max | Assessment |
|-----------|-------|-----|------------|
| Frontmatter Validity | 5 | 5 | Valid YAML with required fields |
| Name Conventions | 4 | 4 | Correct hyphen-case format |
| Description Quality | 4 | 4 | Third-person with good trigger coverage |
| Optional Fields | 2 | 2 | Uses allowed-tools, license, metadata |

### Writing Style (9/10)

| Criterion | Score | Max | Assessment |
|-----------|-------|-----|------------|
| Voice And Tense | 4 | 4 | Imperative form throughout; no second-person; section headers use infinitives |
| Objectivity | 3 | 3 | Purely instructional; no marketing language; focuses on commands and patterns |
| Conciseness | 2 | 3 | Very dense but some reference files are quite long; could split largest files further |

### Utility (19/20)

| Criterion | Score | Max | Assessment |
|-----------|-------|-----|------------|
| Problem Solving Power | 8 | 8 | Addresses real gaps in AWS CLI usage; covers compute, storage, security, CI/CD comprehensively |
| Degrees Of Freedom | 5 | 5 | Appropriate constraints with copy-paste commands while allowing customization via placeholders |
| Feedback Loops | 3 | 4 | Waiters, verify commands, and troubleshooting sections provide validation; debug patterns included |
| Examples And Templates | 3 | 3 | Extensive input/output pairs; JSON policy templates; GitHub workflow YAML examples |

### Modifiers Applied (+4)

**Penalties:** deeply_nested_references (-2)
**Bonuses:** grep_friendly_structure (+1), exemplary_examples (+2), explicit_scope_boundaries (+1), trigger_phrases_4plus (+1), gerund_style_name (+1)

---

## Critical Issues (Top 2)

### Issue 1: Reference file length

**Severity:** Low
**Location:** references/s3.md
**Pillar Affected:** PDA

**Problem:** S3 reference is 743 lines; could overwhelm context in token-constrained scenarios

**Current:**
```
Single comprehensive S3 reference file
```

**Suggested Rewrite:**
```
Split into s3-basics.md, s3-advanced.md, or use collapsible sections
```

**Impact:** +1 point

---

### Issue 2: Missing explicit allowed-tools rationale

**Severity:** Low
**Location:** SKILL.md:metadata
**Pillar Affected:** Ease of Use

**Problem:** allowed-tools list lacks inline explanation for why Read/Bash/WebFetch are needed

**Current:**
```
allowed-tools:\n  - Read\n  - Bash\n  - WebFetch
```

**Suggested Rewrite:**
```
Add brief comment or note explaining tool usage (e.g., Bash for CLI execution)
```

**Impact:** +0.5 points

---

## General Recommendations

1. Add trigger phrases to description for discoverability
2. Add table of contents for files over 100 lines

---

## Grade Scale

| Grade | Score | Description |
|-------|-------|-------------|
| A | 90-100 | Production-ready |
| B | 80-89 | Good, minor work |
| C | 70-79 | Adequate, gaps |
| D | 60-69 | Needs work |
| F | <60 | Major revision |

---

---

## About This Report

This evaluation uses the [Claude Skills Best Practices](https://platform.claude.com/docs/en/agents-and-tools/agent-skills/best-practices).

**Powered by:**
- [SkillzWave](https://skillzwave.ai) - Claude Skills Marketplace
- [SpillWave](https://spillwave.com) - AI Solutions

*Report generated for [SpillwaveSolutions/mastering-aws-cli](https://github.com/SpillwaveSolutions/mastering-aws-cli/blob/main/SKILL.md)*

## JSON Output

```json
{
  "skill_name": "mastering-aws-cli",
  "evaluated_at": "2026-01-12T20:29:51.012989",
  "files_reviewed": [
    "SKILL.md",
    "README.md",
    "references/glue.md",
    "references/aurora.md",
    "references/advanced-patterns.md",
    "references/setup.md",
    "references/ecs.md",
    "references/ecr.md",
    "references/s3.md",
    "references/iam-security.md",
    "references/dynamodb.md",
    "references/eks.md",
    "references/bastion-tunneling.md",
    "references/kinesis.md",
    "references/github-cicd.md",
    "references/lambda.md",
    "references/vpc-networking.md",
    "references/msk.md",
    "references/private-parameters.md"
  ],
  "scores": {
    "spec_compliance": {
      "total": 15,
      "max": 15,
      "breakdown": {
        "frontmatter_validity": {
          "score": 5,
          "max": 5,
          "assessment": "Valid YAML with required fields"
        },
        "name_conventions": {
          "score": 4,
          "max": 4,
          "assessment": "Correct hyphen-case format"
        },
        "description_quality": {
          "score": 4,
          "max": 4,
          "assessment": "Third-person with good trigger coverage"
        },
        "optional_fields": {
          "score": 2,
          "max": 2,
          "assessment": "Uses allowed-tools, license, metadata"
        }
      }
    },
    "pda": {
      "total": 28,
      "max": 30,
      "breakdown": {
        "token_economy": {
          "score": 9,
          "max": 10,
          "assessment": "Excellent density with minimal prose; decision trees, tables, and code examples are highly efficient"
        },
        "layered_structure": {
          "score": 10,
          "max": 10,
          "assessment": "SKILL.md is perfect navigation hub with 17 focused reference files; clear separation of concerns"
        },
        "reference_depth": {
          "score": 5,
          "max": 5,
          "assessment": "All 17 references are exactly one level deep; no nested sub-references"
        },
        "navigation_signals": {
          "score": 4,
          "max": 5,
          "assessment": "TOCs present in long files; decision trees provide excellent wayfinding; some files exceed 500 lines"
        }
      }
    },
    "ease_of_use": {
      "total": 24,
      "max": 25,
      "breakdown": {
        "metadata_quality": {
          "score": 10,
          "max": 10,
          "assessment": "Name follows conventions; description is specific with clear scope and 30+ explicit triggers"
        },
        "discoverability": {
          "score": 6,
          "max": 6,
          "assessment": "Comprehensive trigger list covers AWS services, actions, and common tasks; activates appropriately"
        },
        "terminology_consistency": {
          "score": 4,
          "max": 4,
          "assessment": "Consistent terminology throughout; aws cli v2, bucket, role terms used uniformly"
        },
        "workflow_clarity": {
          "score": 4,
          "max": 5,
          "assessment": "Clear checklists for Cross-Account Setup and GitHub OIDC; Safe Deployment Checklist with numbered steps"
        }
      }
    },
    "writing_style": {
      "total": 9,
      "max": 10,
      "breakdown": {
        "voice_and_tense": {
          "score": 4,
          "max": 4,
          "assessment": "Imperative form throughout; no second-person; section headers use infinitives"
        },
        "objectivity": {
          "score": 3,
          "max": 3,
          "assessment": "Purely instructional; no marketing language; focuses on commands and patterns"
        },
        "conciseness": {
          "score": 2,
          "max": 3,
          "assessment": "Very dense but some reference files are quite long; could split largest files further"
        }
      }
    },
    "utility": {
      "total": 19,
      "max": 20,
      "breakdown": {
        "problem_solving_power": {
          "score": 8,
          "max": 8,
          "assessment": "Addresses real gaps in AWS CLI usage; covers compute, storage, security, CI/CD comprehensively"
        },
        "degrees_of_freedom": {
          "score": 5,
          "max": 5,
          "assessment": "Appropriate constraints with copy-paste commands while allowing customization via placeholders"
        },
        "feedback_loops": {
          "score": 3,
          "max": 4,
          "assessment": "Waiters, verify commands, and troubleshooting sections provide validation; debug patterns included"
        },
        "examples_and_templates": {
          "score": 3,
          "max": 3,
          "assessment": "Extensive input/output pairs; JSON policy templates; GitHub workflow YAML examples"
        }
      }
    }
  },
  "modifiers": {
    "penalties": [
      {
        "name": "deeply_nested_references",
        "points": -2
      }
    ],
    "bonuses": [
      {
        "name": "grep_friendly_structure",
        "points": 1
      },
      {
        "name": "exemplary_examples",
        "points": 2
      },
      {
        "name": "explicit_scope_boundaries",
        "points": 1
      },
      {
        "name": "trigger_phrases_4plus",
        "points": 1
      },
      {
        "name": "gerund_style_name",
        "points": 1
      }
    ],
    "net": 4
  },
  "final_score": 99,
  "grade": "A",
  "critical_issues": [
    {
      "rank": 1,
      "title": "Reference file length",
      "severity": "Low",
      "location": "references/s3.md",
      "pillar": "PDA",
      "problem": "S3 reference is 743 lines; could overwhelm context in token-constrained scenarios",
      "current": "Single comprehensive S3 reference file",
      "suggested": "Split into s3-basics.md, s3-advanced.md, or use collapsible sections",
      "impact": "+1 point"
    },
    {
      "rank": 2,
      "title": "Missing explicit allowed-tools rationale",
      "severity": "Low",
      "location": "SKILL.md:metadata",
      "pillar": "Ease of Use",
      "problem": "allowed-tools list lacks inline explanation for why Read/Bash/WebFetch are needed",
      "current": "allowed-tools:\\n  - Read\\n  - Bash\\n  - WebFetch",
      "suggested": "Add brief comment or note explaining tool usage (e.g., Bash for CLI execution)",
      "impact": "+0.5 points"
    }
  ],
  "recommendations": [
    "Add trigger phrases to description for discoverability",
    "Add table of contents for files over 100 lines"
  ],
  "code_quality": null,
  "grading_model": "Claude (default)",
  "grading_provider": "claude"
}
```

**Links:**
- 📁 **GitHub:** [spillwavesolutions/mastering-aws-cli](https://github.com/spillwavesolutions/mastering-aws-cli/blob/main/SKILL.md)
- 🛒 **Marketplace:** [View on SkillzWave](https://skillzwave.ai/skill/spillwavesolutions__mastering-aws-cli__mastering-aws-cli__SKILL/)
- 📤 **Submit Skill:** [Submit to SkillzWave](https://skillzwave.ai/submit/) - Skills are ranked, graded, and scanned for security
- 📊 **Tracking:** [All Graded Skills](https://github.com/SpillwaveSolutions/skill_improver/issues)

---

## 📦 Recommended: Add Universal Installer Instructions

Consider adding these installation instructions to your README.md to help users install this skill across 14+ AI coding agents:

```markdown
## Installing with Skilz (Universal Installer)

The recommended way to install this skill across different AI coding agents is using the **skilz** universal installer.

### Install Skilz

```bash
pip install skilz
```

This skill supports [Agent Skill Standard](https://agentskills.io/) which means it supports 14 plus coding agents including Claude Code, OpenAI Codex, Cursor and Gemini.


### Git URL Options

```

# Install for Claude Code (your home directory)
skilz install -g https://github.com/spillwavesolutions/mastering-aws-cli

# Or from the SkillzWave marketplace
skilz install spillwavesolutions__mastering-aws-cli__mastering-aws-cli
```

### Claude Code

Install to user home (available in all projects):
```bash
skilz install -g https://github.com/spillwavesolutions/mastering-aws-cli
```

Install to current project only:
```bash
skilz install -g https://github.com/spillwavesolutions/mastering-aws-cli --project
```

### OpenCode

Install for [OpenCode](https://opencode.ai):

```bash

# OpenCode
skilz install https://github.com/spillwavesolutions/mastering-aws-cli --agent opencode

```

Install for Codex and Gemini too
```
# Gemini CLI
skilz install https://github.com/spillwavesolutions/mastering-aws-cli --agent gemini


# OpenAI Codex
skilz install https://github.com/spillwavesolutions/mastering-aws-cli --agent codex

```

Project-level install:
```bash
skilz install https://github.com/spillwavesolutions/mastering-aws-cli --project --agent codex
```


### Install from Skillzwave Marketplace
```bash
skilz install spillwavesolutions__mastering-aws-cli__mastering-aws-cli --project
```

See this site [skill Listing](https://skillzwave.ai/skill/spillwavesolutions__mastering-aws-cli__mastering-aws-cli__SKILL/) to see how to install this exact skill to 14+ different coding agents.


### Other Supported Agents

Skilz supports 20+ coding agents including Claude Code, OpenAI Codex, OpenCode, Cursor, Gemini CLI, GitHub Copilot CLI, Windsurf, Qwen Code, Aidr, and more.

See the [skill on SkillzWave](https://skillzwave.ai/skill/spillwavesolutions__mastering-aws-cli__mastering-aws-cli__SKILL/) for agent-specific install commands, or check the [skilz-cli docs](https://github.com/SpillwaveSolutions/skilz-cli).


[SkillzWave](https://skillzwave.ai) is a skill marketplace for AI agents. [SpillWave](https://spillwave.com) (where I work) builds AI agent tools.
```

---

## About This Report

This evaluation uses the [Claude Skills Best Practices](https://platform.claude.com/docs/en/agents-and-tools/agent-skills/best-practices).

**Powered by:**
- [SkillzWave](https://skillzwave.ai) - Claude Skills Marketplace
- [SpillWave](https://spillwave.com) - AI Solutions

*Report generated for [spillwavesolutions/mastering-aws-cli](https://github.com/spillwavesolutions/mastering-aws-cli/blob/main/SKILL.md)*

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Agent Skill Grading Report: mastering-aws-cli - Score 99/100 (A) #43

🏆 Agent Skill Grading Report

Quick Summary of Agent Skill Grades

Pillar Scores for Agent Skill

Issues Found: 2

📊 Full Grading Report for Agent Skill

Skill Evaluation Report: mastering-aws-cli

Overall Score: 99/100

Executive Summary

Detailed Scores

Progressive Disclosure Architecture (28/30)

Ease of Use (24/25)

Spec Compliance (15/15)

Writing Style (9/10)

Utility (19/20)

Modifiers Applied (+4)

Critical Issues (Top 2)

Issue 1: Reference file length

Issue 2: Missing explicit allowed-tools rationale

General Recommendations

Grade Scale

About This Report

JSON Output

📦 Recommended: Add Universal Installer Instructions

Git URL Options

Claude Code

OpenCode

Install from Skillzwave Marketplace

Other Supported Agents

Metadata

Assignees

Labels

Type

Projects

Milestone

Relationships

Development

Pillar	Score	Max
Spec Compliance	15	15
Progressive Disclosure	28	30
Ease of Use	24	25
Writing Style	9	10
Utility	19	20
Modifiers	+4	±15

Pillar	Score	Max
Progressive Disclosure Architecture	28	30
Ease of Use	24	25
Spec Compliance	15	15
Writing Style	9	10
Utility	19	20
Modifiers	+4	±15

Criterion	Score	Max	Assessment
Token Economy	9	10	Excellent density with minimal prose; decision trees, tables, and code examples are highly efficient
Layered Structure	10	10	SKILL.md is perfect navigation hub with 17 focused reference files; clear separation of concerns
Reference Depth	5	5	All 17 references are exactly one level deep; no nested sub-references
Navigation Signals	4	5	TOCs present in long files; decision trees provide excellent wayfinding; some files exceed 500 lines

Criterion	Score	Max	Assessment
Metadata Quality	10	10	Name follows conventions; description is specific with clear scope and 30+ explicit triggers
Discoverability	6	6	Comprehensive trigger list covers AWS services, actions, and common tasks; activates appropriately
Terminology Consistency	4	4	Consistent terminology throughout; aws cli v2, bucket, role terms used uniformly
Workflow Clarity	4	5	Clear checklists for Cross-Account Setup and GitHub OIDC; Safe Deployment Checklist with numbered steps

Criterion	Score	Max	Assessment
Frontmatter Validity	5	5	Valid YAML with required fields
Name Conventions	4	4	Correct hyphen-case format
Description Quality	4	4	Third-person with good trigger coverage
Optional Fields	2	2	Uses allowed-tools, license, metadata

Criterion	Score	Max	Assessment
Voice And Tense	4	4	Imperative form throughout; no second-person; section headers use infinitives
Objectivity	3	3	Purely instructional; no marketing language; focuses on commands and patterns
Conciseness	2	3	Very dense but some reference files are quite long; could split largest files further

Criterion	Score	Max	Assessment
Problem Solving Power	8	8	Addresses real gaps in AWS CLI usage; covers compute, storage, security, CI/CD comprehensively
Degrees Of Freedom	5	5	Appropriate constraints with copy-paste commands while allowing customization via placeholders
Feedback Loops	3	4	Waiters, verify commands, and troubleshooting sections provide validation; debug patterns included
Examples And Templates	3	3	Extensive input/output pairs; JSON policy templates; GitHub workflow YAML examples

Grade	Score	Description
A	90-100	Production-ready
B	80-89	Good, minor work
C	70-79	Adequate, gaps
D	60-69	Needs work
F	<60	Major revision

Agent Skill Grading Report: mastering-aws-cli - Score 99/100 (A) #43

Description

🏆 Agent Skill Grading Report

Quick Summary of Agent Skill Grades

Pillar Scores for Agent Skill

Issues Found: 2

📊 Full Grading Report for Agent Skill

Skill Evaluation Report: mastering-aws-cli

Overall Score: 99/100

Executive Summary

Detailed Scores

Progressive Disclosure Architecture (28/30)

Ease of Use (24/25)

Spec Compliance (15/15)

Writing Style (9/10)

Utility (19/20)

Modifiers Applied (+4)

Critical Issues (Top 2)

Issue 1: Reference file length

Issue 2: Missing explicit allowed-tools rationale

General Recommendations

Grade Scale

About This Report

JSON Output

📦 Recommended: Add Universal Installer Instructions

Git URL Options

Claude Code

OpenCode

Install from Skillzwave Marketplace

Other Supported Agents

Metadata

Metadata

Assignees

Labels

Type

Projects

Milestone

Relationships

Development

Issue actions