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nanobanana-ppt-skills

AI-powered PPT generation with document analysis and styled images

Quality

38%

Does it follow best practices?

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SecuritybySnyk

Passed

No findings from the security scan

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tessl review fix ./plugins/AI-Agents-Safe-Coding-Skills/skills/nanobanana-ppt-skills/SKILL.md

The canonical home for this skill is nanobanana-ppt-skills in administrakt0r/AI-Agents-Safe-Coding-Skills

SKILL.md
Quality
Evals
Security

Quality

Content

11%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.

The body is boilerplate scaffolding with zero instructional value: the description is restated three times, there are no steps, no code, and no bundled reference material — just a link to an external repository. A user loading this skill gains no actionable guidance for generating PPTs.

Suggestions

Replace the boilerplate sections with real instructions: how to use the NanoBanana tooling to analyze a source document, generate styled slide images, and assemble the PPT, with concrete commands or code.

Add a sequenced workflow with validation checkpoints (e.g. verify generated images/slide XML before repacking the .pptx) instead of the single vague "provides guidance and patterns" sentence.

Bundle the essential material from the source repository into local reference files (e.g. references/image-styles.md, scripts/) and link them from clearly signaled sections, rather than pointing Claude to an external GitHub URL.

DimensionReasoningScore

Conciseness

The body is short but pure padding: the frontmatter description sentence is repeated verbatim in the Overview ("AI-powered PPT generation with document analysis and styled images"), restated in "When to Use This Skill", and again in "Instructions" ("provides guidance and patterns for ai-powered ppt generation..."). Not a single token adds information beyond the description, matching anchor 2 ("noticeably verbose... padded sections"); it is not 3 because there is no useful core content that is merely tightenable.

2 / 5

Actionability

"This skill provides guidance and patterns for ai-powered ppt generation with document analysis and styled images" only describes rather than instructs — no code, no commands, no specific steps. This is exactly anchor 1 ("Entirely vague or abstract; no concrete code or commands; only describes rather than instructs").

1 / 5

Workflow Clarity

No steps or sequence exist anywhere in the body, even though PPT generation with document analysis is a multi-step process. Anchor 1 ("Steps missing or incoherent; no sequence; no validation for risky operations") is the direct match; there is nothing to sequence at all.

1 / 5

Progressive Disclosure

The section headers (Overview, When to Use, Instructions) are empty shells, and the only pointer is an external GitHub URL ("see the [source repository](...)") rather than bundled, navigable reference files — the actual detail material is effectively buried outside the skill. This fits anchor 2 ("Minimal structure... references are buried"); the under-50-lines exception for a 5 does not apply because the content is neither clear nor well-organized, and this multi-part skill clearly needs reference material that is absent.

2 / 5

Total

6

/

20

Passed

Description

36%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.

The description names a domain but relies on buzzwords ("AI-powered") and feature labels instead of concrete actions, and it entirely lacks trigger guidance for when to use the skill. Natural user terms like "PowerPoint", "presentation", "slides", and ".pptx" are missing, and it risks conflicting with generic presentation skills.

Suggestions

Rewrite with concrete actions, e.g. "Generates styled PowerPoint presentations by analyzing source documents and producing AI-styled slide images", replacing buzzwords like "AI-powered" with what the skill actually does.

Add an explicit trigger clause: "Use when the user asks to create a PPT, PowerPoint, presentation, or slides from a document, or wants styled images in slides."

Include the missing natural synonyms and file extension — "PowerPoint", "presentation", "slides", ".pptx" — to improve trigger term coverage and distinctiveness.

DimensionReasoningScore

Specificity

"AI-powered PPT generation with document analysis and styled images" names the domain but the actions are generic — "generation" and "analysis" are not concrete capabilities, and "AI-powered" is buzzword rather than a described action. It falls short of anchor 3 because no 1-2 concrete actions are actually named (cf. "Processes PDF files and extracts content").

2 / 5

Completeness

There is no "Use when..." clause or equivalent trigger guidance (capping completeness at 3), and the "what" itself is vague: "AI-powered" and "styled images" describe features without concrete actions. This fits anchor 2 ("Has a vague 'what' and no 'when'") better than anchor 3, which requires a clear 'what'.

2 / 5

Trigger Term Quality

"PPT" and "document analysis" are relevant keywords users might say, but the common variations are missing: "PowerPoint", "presentation", "slides", and ".pptx" are absent. This matches anchor 3 ("Some relevant keywords but missing common variations or synonyms", cf. "Works with PDF files"), not 4, which requires good coverage of natural terms.

3 / 5

Distinctiveness Conflict Risk

"PPT generation" is somewhat specific, but it overlaps directly with general presentation/pptx skills, and "document analysis" broadens the overlap further. Anchor 3 ("Somewhat specific but could still overlap with similar skills") fits; the AI image-styling differentiator is too vaguely stated to earn a 4.

3 / 5

Total

10

/

20

Passed

Validation

93%

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

Validation — 15 / 16 Passed

Validation for skill structure

CriteriaDescriptionResult

frontmatter_unknown_keys

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

Warning

Total

15

/

16

Passed

Repository

administrakt0r/AI-Agents-Safe-Coding-Skills

Path

plugins/AI-Agents-Safe-Coding-Skills/skills/nanobanana-ppt-skills/SKILL.md

Reviewed

Table of Contents

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