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nano-banana-pro

Generate or edit images via Gemini 3 Pro Image (Nano Banana Pro).

81

7.23x
Quality

Does it follow best practices?

Impact

94%

7.23x

Average score across 3 eval scenarios

SecuritybySnyk

Passed

No known issues

SKILL.md
Quality
Evals
Security

Quality

Content

100%

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

The body is an exemplar of a lean, single-purpose skill: tight executable commands, well-organized sections, and no wasted tokens, with the bundled script reference resolving to a real file.

DimensionReasoningScore

Conciseness

The ~35-line body is lean with zero concept padding; every line is either an executable command, a flag, or a directly useful note, assuming Claude's competence throughout.

3 / 3

Actionability

It supplies fully executable `uv run {baseDir}/scripts/generate_image.py ...` commands with concrete flags for generate, single-image edit, and multi-image composition, making them copy-paste ready.

3 / 3

Workflow Clarity

This is a simple single-action skill (invoke one script) whose invocation is unambiguous across its three variants, so per the simple-skill guidance it qualifies for a 3 without multi-step checkpoints.

3 / 3

Progressive Disclosure

Under 50 lines with no external reference files needed, it organizes content into clear sections (Generate, Edit, Multi-image, API key, Notes) and references the verified-real bundled script at one level deep.

3 / 3

Total

12

/

12

Passed

Description

50%

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 is concise and third-person with a named model, but it lacks an explicit use-trigger clause and only names two actions, leaving it middling across all dimensions.

Suggestions

Add an explicit trigger clause, e.g. 'Use when the user asks to generate or edit images, create pictures/photos from a prompt, or combine multiple images into one scene.'

Broaden action coverage in the description to include multi-image composition and resolution options so it lists multiple concrete capabilities.

Add common natural synonyms like 'photos', 'pictures', or 'AI image generation' to improve trigger-term coverage.

DimensionReasoningScore

Specificity

The phrase 'Generate or edit images' names the domain and two concrete actions, but it stops there without enumerating richer capabilities like multi-image composition or resolution control, so it is not comprehensive enough for a 3.

2 / 3

Completeness

It states what the skill does ('Generate or edit images via Gemini 3 Pro Image') but provides no 'Use when...' trigger clause, which per the guidelines caps completeness at 2.

2 / 3

Trigger Term Quality

'images', 'generate', and 'edit' are natural terms, but common variations users might say (photos, pictures, AI image generation, Nano Banana) are absent, leaving coverage incomplete.

2 / 3

Distinctiveness Conflict Risk

Naming 'Gemini 3 Pro Image (Nano Banana Pro)' gives it a recognizable niche, yet the trigger wording 'generate or edit images' is generic enough to overlap with other image skills, so it does not reach a 3.

2 / 3

Total

8

/

12

Passed

Validation

81%

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

Validation13 / 16 Passed

Validation for skill structure

CriteriaDescriptionResult

metadata_version

'metadata.version' is missing

Warning

metadata_field

'metadata' should map string keys to string values

Warning

frontmatter_unknown_keys

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

Warning

Total

13

/

16

Passed

Repository
trpc-group/trpc-agent-go
Reviewed

Table of Contents

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