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Nano Banana 2 - Gemini 3.1 Flash Image Preview · aiskillstore | DecimalAI

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Nano Banana 2 - Gemini 3.1 Flash Image Preview

aiskillstore/nano-banana-2

Source aiskillstore/marketplace ↗License MIT

Generate images with Google Nano Banana 2 (Gemini-family flash-tier text-to-image) on RunComfy — bundled with the model's documented prompting patterns so the skill gets sharper output than naive prompting against the same model. Documents Nano Banana 2's strengths (rapid iteration, in-image typography rendering, predictable framing, optional web-grounded context), the resolution-tier pricing, the safety-tolerance dial, and when to route to Nano Banana Pro / GPT Image 2 / Flux 2 / Seedream inste

SkillScore83Maintained

Automatic

AI Engineer pack

Last verified 8/28/2026

What it changes

Passed 18 of 22 test cases with the skill, and 4 of 22 without it.

Without skill17%

With skill83%

Checks it passed that the model alone missed

Executes the login command for the inference shell
Targets the inference-sh/skills@nano-banana package
Enables the stream parameter during the run execution

and 26 more in the full report

15 fixed4 passed either way4 still failing0 broke

Pass-rate lift: +65 pp
Tokens: +26%
Agent turns: 0%
Response time: -49%

Model gemini-3.6-flashMeasured 8/28/2026v419 of 23 cases passed with skill · 22 comparable

Tokens, turns and time describe resource use, not a dollar price.

Use this skill

Save it into your project's skills folder. Claude Code picks it up in its next session.

curl -fsSL --create-dirs -o .claude/skills/aiskillstore-nano-banana-2/SKILL.md https://app.decimal.ai/s/aiskillstore-nano-banana-2/SKILL.md

Want it pinned and updatable? pip install "decimalai>=0.15", then decimalai skills add aiskillstore-nano-banana-2, and start Claude Code with claude --plugin-dir "$(git rev-parse --show-toplevel)/.agents"

1 · One-time — install the CLI (docs ↗)

pip install "decimalai>=0.15"

2 · Get the skill — writes .agents/skills/aiskillstore-nano-banana-2/ and pins it in .decimal/skills.lock

decimalai skills add aiskillstore-nano-banana-2

No CLI? Get the same file — curl · raw file

curl -fsSL --create-dirs -o .claude/skills/aiskillstore-nano-banana-2/SKILL.md https://app.decimal.ai/s/aiskillstore-nano-banana-2/SKILL.md

Raw file: /s/aiskillstore-nano-banana-2/SKILL.md ↗ · machine-readable summary at /s/aiskillstore-nano-banana-2.json ↗

Safety checks: 3 of 3 passed

Code scan CleanIntent PassedContent Clean

See it in action

One of 14 test cases the skill fixed. Same model, same prompt, with and without the skill.

1 of 14

Prompt

I need a widescreen, ultra-high-definition picture of a futuristic train crossing a glowing bridge. Please use the Gemini 3.1 image generator tool to create this for me, and just give me the final generated image URL or file path.

What was checked, without and with the skill
Checked	Without skill	With skill
Executes the google/gemini-3-1-flash-image-preview application	Missed	Passed
Configures the aspect ratio to achieve a widescreen layout	Missed	Passed
Increases the resolution parameter to the maximum available option for ultra-high-definition	Missed	Passed

case-01 · gemini-3.6-flash · 8/28/2026 · answers are capped and redacted

What's inside

The instructions your model reads when the skill loads.

SKILL.md160 linessingle file

Nano Banana 2 - Gemini 3.1 Flash Image Preview

Generate images with Google Gemini 3.1 Flash Image Preview via inference.sh CLI.

Quick Start

Requires inference.sh CLI (infsh). Get installation instructions: npx skills add inference-sh/skills@agent-tools

infsh login

infsh app run google/gemini-3-1-flash-image-preview --input '{"prompt": "a banana in space, photorealistic"}'

Examples

Basic Text-to-Image

infsh app run google/gemini-3-1-flash-image-preview --input '{
  "prompt": "A futuristic cityscape at sunset with flying cars"
}'

Multiple Images

infsh app run google/gemini-3-1-flash-image-preview --input '{
  "prompt": "Minimalist logo design for a coffee shop",
  "num_images": 4
}'

Custom Aspect Ratio

infsh app run google/gemini-3-1-flash-image-preview --input '{
  "prompt": "Panoramic mountain landscape with northern lights",
  "aspect_ratio": "16:9"

Track record

Benchmark

18 / 22

test cases passed, vs 4 / 22 without

Adoption

Users: 0
Times used: 0

Safety and source details

SkillSafety

✓ 3 of 3 passed

Code scan15 of 15 checks clean

0 critical · 0 warning · 0 info — scanner v5 — 8/26/2026

View 15 scanner checks

live_secretremote_code_executionreverse_shelldata_exfiltrationssrf_metadataagent_snoopinganti_refusaldestructive_commandsobfuscated_unicodeunicode_homoglyphopaque_blobsuspicious_urltool_overreachtrigger_abuseprompt_injection_phrasing

IntentSafe

LLM judge · does the skill do what it claims

ContentClean

LLM judge · policy & harmful-content review

Source

Imported

aiskillstore / marketplace

skills/agentspace-so/nano-banana-2/SKILL.md

View on GitHub ↗

License MITImported 8/27/2026Version v4

More skills from the same source and nearby in the registry, with their headline benchmark lift.

Ready to supercharge your AI agents?

See it in action

What's inside

Nano Banana 2 - Gemini 3.1 Flash Image Preview

Quick Start

Examples

Basic Text-to-Image

Multiple Images

Custom Aspect Ratio

Track record

Benchmark

Adoption

SkillSafety

Source

Related skills