Replace with description of the skill and when Claude should use it.
27
0%
Does it follow best practices?
Impact
91%
0.94xAverage score across 2 eval scenarios
Passed
No known issues
Optimize this skill with Tessl
npx tessl skill review --optimize ./claude/skills/template-skill/SKILL.mdQuality
Discovery
0%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 the default placeholder/template text that ships with a new skill file. It contains no actual description of capabilities, triggers, or use cases. It needs to be entirely replaced with a real skill description.
Suggestions
Replace the entire placeholder with a concrete description of what the skill does, listing specific actions (e.g., 'Extracts data from CSV files, generates summary statistics, creates visualizations').
Add an explicit 'Use when...' clause with natural trigger terms that users would actually say when they need this skill.
Include domain-specific keywords and file types/formats to make the skill clearly distinguishable from other skills in a large collection.
| Dimension | Reasoning | Score |
|---|---|---|
Specificity | This is the default placeholder text with no concrete actions described. It contains no specific capabilities whatsoever. | 1 / 3 |
Completeness | This is a template placeholder that answers neither 'what does this do' nor 'when should Claude use it' — it literally says 'Replace with description'. | 1 / 3 |
Trigger Term Quality | Contains no natural keywords a user would say. 'Skill' and 'Claude' are generic meta-terms, not domain-specific trigger terms. | 1 / 3 |
Distinctiveness Conflict Risk | Completely generic placeholder text that provides zero distinguishing information; would be indistinguishable from any other skill. | 1 / 3 |
Total | 4 / 12 Passed |
Implementation
0%Reviews the quality of instructions and guidance provided to agents. Good implementation is clear, handles edge cases, and produces reliable results.
This skill content is effectively empty, containing only a placeholder heading with no actual instructions, examples, or guidance. It provides zero value as a skill file and needs to be written from scratch.
Suggestions
Add actual skill instructions with concrete, executable code examples or specific actionable guidance relevant to the skill's purpose.
Define a clear workflow with numbered steps and validation checkpoints if the skill involves multi-step processes.
Include a concise quick-start section and, if needed, references to supplementary files for advanced topics.
Replace the placeholder description ('Replace with description of the skill and when Claude should use it') with a meaningful description to clarify the skill's scope and intent.
| Dimension | Reasoning | Score |
|---|---|---|
Conciseness | The skill content is essentially empty — it contains only a placeholder heading ('# Insert instructions below') with no actual instructions, making it entirely devoid of useful content. | 1 / 3 |
Actionability | There is no concrete guidance, code, commands, or examples provided. The content is a blank template placeholder with no actionable information. | 1 / 3 |
Workflow Clarity | No workflow, steps, or processes are defined. There is nothing to evaluate for sequencing or validation checkpoints. | 1 / 3 |
Progressive Disclosure | No structure, organization, or references exist. The content is a single placeholder line with no navigation or content hierarchy. | 1 / 3 |
Total | 4 / 12 Passed |
Validation
100%Checks the skill against the spec for correct structure and formatting. All validation checks must pass before discovery and implementation can be scored.
Validation — 11 / 11 Passed
Validation for skill structure
No warnings or errors.
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Table of Contents
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