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mermaid-gantt-chart-generator

Install with Tessl CLI

npx tessl i github:jeremylongshore/claude-code-plugins-plus-skills --skill mermaid-gantt-chart-generator
What are skills?

Mermaid Gantt Chart Generator - Auto-activating skill for Visual Content. Triggers on: mermaid gantt chart generator, mermaid gantt chart generator Part of the Visual Content skill category.

Overall
score

19%

Does it follow best practices?

Validation for skill structure

SKILL.md
Review
Evals

Activation

7%

This description is severely underdeveloped, consisting mostly of boilerplate metadata rather than useful guidance. It fails to describe any concrete capabilities, lacks natural trigger terms users would actually say, and provides no explicit guidance on when Claude should select this skill. The redundant trigger terms and absence of action verbs make this description nearly useless for skill selection.

Suggestions

Add specific actions the skill performs, e.g., 'Generates Mermaid Gantt chart syntax for project timelines, task dependencies, and milestone tracking'

Include a 'Use when...' clause with natural trigger terms like 'gantt chart', 'project timeline', 'task schedule', 'milestone diagram', 'mermaid syntax'

Remove redundant trigger terms and expand to include variations users would naturally say when needing project scheduling visualizations

DimensionReasoningScore

Specificity

The description only names the tool type ('Mermaid Gantt Chart Generator') but provides no concrete actions. It doesn't explain what the skill actually does - no verbs describing capabilities like 'creates', 'generates', 'exports', etc.

1 / 3

Completeness

The description fails to answer 'what does this do' beyond the name, and has no explicit 'Use when...' clause. The 'Triggers on' section is not a proper when-to-use guidance - it just repeats the skill name.

1 / 3

Trigger Term Quality

The trigger terms are redundant (same phrase repeated twice) and overly specific. Missing natural variations users would say like 'gantt chart', 'project timeline', 'schedule diagram', 'mermaid diagram', or 'task timeline'.

1 / 3

Distinctiveness Conflict Risk

The mention of 'Mermaid Gantt Chart' is somewhat specific and distinguishes it from general diagramming skills, but 'Visual Content' category is vague and could overlap with many other visualization skills.

2 / 3

Total

5

/

12

Passed

Implementation

0%

This skill content is essentially a placeholder template with no actual instructional value. It contains only meta-descriptions of what the skill claims to do without providing any concrete Mermaid Gantt chart syntax, examples, or actionable guidance. Claude already knows what Gantt charts are and how Mermaid works - this skill adds nothing useful.

Suggestions

Add actual Mermaid Gantt chart syntax with a complete, executable example (e.g., ```mermaid gantt title Project dateFormat YYYY-MM-DD section Phase1 Task1 :a1, 2024-01-01, 30d```)

Include specific Gantt chart features: task dependencies, milestones, sections, date formats, and task states (done, active, crit)

Remove all meta-description content ('This skill provides...', 'Capabilities include...') and replace with concrete syntax reference

Add common patterns like parallel tasks, critical path highlighting, and clickable task links

DimensionReasoningScore

Conciseness

The content is padded with generic boilerplate that explains nothing Claude doesn't already know. Phrases like 'provides automated assistance' and 'follows industry best practices' are meaningless filler with no actual information about Mermaid Gantt charts.

1 / 3

Actionability

There is zero concrete guidance - no Mermaid syntax, no code examples, no actual Gantt chart structure. The skill describes what it claims to do rather than providing any executable instructions.

1 / 3

Workflow Clarity

No workflow is defined. There are no steps for creating a Gantt chart, no validation checkpoints, and no actual process to follow. The content is entirely meta-description.

1 / 3

Progressive Disclosure

The content is a monolithic block of unhelpful text with no structure pointing to detailed materials, no examples, and no references to additional resources about Mermaid Gantt syntax or features.

1 / 3

Total

4

/

12

Passed

Validation

69%

Validation11 / 16 Passed

Validation for skill structure

CriteriaDescriptionResult

description_trigger_hint

Description may be missing an explicit 'when to use' trigger hint (e.g., 'Use when...')

Warning

allowed_tools_field

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

Warning

metadata_version

'metadata' field is not a dictionary

Warning

frontmatter_unknown_keys

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

Warning

body_steps

No step-by-step structure detected (no ordered list); consider adding a simple workflow

Warning

Total

11

/

16

Passed

Reviewed

Table of Contents

Is this your skill?

If you maintain this skill, you can claim it as your own. Once claimed, you can manage eval scenarios, bundle related skills, attach documentation or rules, and ensure cross-agent compatibility.