Generate or edit images via Gemini 3 Pro Image (Nano Banana Pro).
70
60%
Does it follow best practices?
Impact
94%
7.23xAverage score across 3 eval scenarios
Passed
No known issues
Optimize this skill with Tessl
npx tessl skill review --optimize ./skills/nano-banana-pro/SKILL.mdBatch image generation with correct script invocation and filename conventions
Uses uv run
0%
100%
References generate_image.py
0%
100%
--prompt flag used
0%
100%
--filename flag used
0%
100%
--resolution flag present
0%
100%
Valid resolution value
0%
100%
Generates 3+ images
100%
100%
Date in filename
0%
100%
Time in filename
0%
100%
Does not read output
100%
100%
Single image editing with input flag and timestamped output
Uses uv run
0%
100%
References generate_image.py
0%
100%
Uses -i flag
0%
100%
Correct input path
0%
100%
3 distinct styled versions
100%
100%
--resolution flag used
0%
0%
--prompt flag used
0%
100%
Date in filename
0%
100%
Time in filename
0%
100%
Does not read output
100%
100%
Multi-image composition with input limit enforcement
Uses uv run
0%
100%
References generate_image.py
0%
100%
Multiple -i flags
0%
100%
All 5 source images used
0%
100%
14-image limit enforced
33%
100%
--prompt flag used
0%
100%
--filename flag used
0%
100%
--resolution flag used
0%
0%
Date in filename
0%
100%
Time in filename
0%
100%
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Table of Contents
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