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Agent skill

Nano Banana Pro

by trpc-group in trpc-group/trpc-agent-go

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

Apache-2.0Auto-check: notesMedia & Creative

Install Nano Banana Pro

skills CLI
$ npx skills add trpc-group/trpc-agent-go --skill nano-banana-pro -a claude-code

Project install by default; add -g for ~/.claude/skills/.

GitHub CLI
$ gh skill install trpc-group/trpc-agent-go nano-banana-pro --agent claude-code

Project scope by default; add --scope user for a personal install. Needs GitHub CLI 2.90.0 or later (public preview).

Manual copy
$ git clone --depth 1 https://github.com/trpc-group/trpc-agent-go.git skills-src && mkdir -p .claude/skills && cp -r skills-src/openclaw/skills/nano-banana-pro .claude/skills/nano-banana-pro && rm -rf skills-src

Use ~/.claude/skills/ instead of .claude/skills for a personal install. The folder must contain SKILL.md.

Claude Code skills documentation · loads skills from .claude/skills/

Facts

Skill name
nano-banana-pro
GitHub stars
1.9k
Used in
8 other repos
Token cost
~396 tokens
SKILL.md length
73 words
Files
2 (incl. scripts)
Skills in repo
47
Repo updated
First seen
Licence
Apache-2.0

At a glance

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

  • Tasks that involve Image generation
  • Runs Python scripts from its folder; calls uv; needs GEMINI_API_KEY
  • Tasks that involve Image editing

What it does

Nano Banana Pro is an agent skill from trpc-group/trpc-agent-go. Generate or edit images via Gemini 3 Pro Image (Nano Banana Pro).

Its SKILL.md is about 400 tokens, which your agent loads only when the skill is triggered. The skill folder holds 2 other files, including scripts (for example `scripts/generate_image.py`).

It sits in Media & Creative, covering Image generation and Image editing. It works with Google Gemini. The repository describes itself as: A Go framework for building production agent systems with graph workflows, tools, memory, A2A, AG-UI, MCP, evaluation, and observability. The licence is Apache-2.0.

When your agent uses it

  • Tasks that involve Image generation
  • Tasks that involve Image editing

Example prompts

  • “/nano-banana-pro”

Requirements

  • Python 3
  • A credential in GEMINI_API_KEY

What it can do on your machine

Read from SKILL.md and the folder at commit 5344490. It shows what the files ask for, not the result of running them.

  • Tool permissions

    Pre-approves nothing: there is no allowed-tools line, so your agent's usual permission prompts apply.

    From allowed-tools in the SKILL.md frontmatter.

  • Runs code

    Ships 1 file in scripts/ (Python), which the agent can run.

    Shell commands in SKILL.md call:

    • uv

    From the folder's file list and the shell code blocks in SKILL.md.

  • Network

    No URLs in SKILL.md. Its commands use uv, which can reach the network depending on how they are called.

    From URLs in SKILL.md, links to its own repository left out.

  • Credentials

    Names these keys or tokens, usually read from environment variables:

    • GEMINI_API_KEY

    From names ending in _API_KEY, _TOKEN, _SECRET, _KEY or _PASSWORD in SKILL.md.

Context cost

Nano Banana Pro loads about 396 tokens when it runs. Until then it costs about 20 tokens; SKILL.md has 73 words of instructions outside code blocks.

Always · name and description, kept in context so the agent knows when to use it
~20
When it runs · the whole SKILL.md, loaded when a task matches
~396

Estimates: characters ÷ 4, the usual rule of thumb; real counts depend on the model's tokenizer. Scripts and assets cost tokens only if the agent reads them.

Safety

Auto-check: notes

The automated check noted patterns worth knowing about, such as sudo or a known installer.

  • NoteMentions a .env fileSKILL.md:51
    -pro".apiKey` / `skills."nano-banana-pro".env.GEMINI_API_KEY` in `~/.openclaw/openclaw.json`

Automated static check — not a guarantee. Review scripts before installing. It scans the text of SKILL.md for risky patterns (piping downloads into a shell, reading credential files, hidden Unicode, destructive commands); the scripts in this folder are not scanned.

SKILL.md

The full file from trpc-group/trpc-agent-go at commit 5344490, republished under its Apache-2.0 licence (© trpc-group). 73 words, ~396 tokens.

Download SKILL.mdSave it as .claude/skills/nano-banana-pro/SKILL.md (or your agent's skills folder). This skill also uses 1 other file; get the full folder from GitHub.
name
nano-banana-pro
description
Generate or edit images via Gemini 3 Pro Image (Nano Banana Pro).
homepage
https://ai.google.dev/

Nano Banana Pro (Gemini 3 Pro Image)

Use the bundled script to generate or edit images.

Generate

bash
uv run {baseDir}/scripts/generate_image.py --prompt "your image description" --filename "output.png" --resolution 1K

Edit (single image)

bash
uv run {baseDir}/scripts/generate_image.py --prompt "edit instructions" --filename "output.png" -i "/path/in.png" --resolution 2K

Multi-image composition (up to 14 images)

bash
uv run {baseDir}/scripts/generate_image.py --prompt "combine these into one scene" --filename "output.png" -i img1.png -i img2.png -i img3.png

API key

  • GEMINI_API_KEY env var
  • Or set skills."nano-banana-pro".apiKey / skills."nano-banana-pro".env.GEMINI_API_KEY in ~/.openclaw/openclaw.json

Notes

  • Resolutions: 1K (default), 2K, 4K.
  • Use timestamps in filenames: yyyy-mm-dd-hh-mm-ss-name.png.
  • The script prints a MEDIA: line for OpenClaw to auto-attach on supported chat providers.
  • Do not read the image back; report the saved path only.

© trpc-group, Apache-2.0. Rendered from Markdown: HTML in the file is shown as text, images as links, and headings moved down two levels. Raw file

Files

SKILL.md and 1 other file (scripts) in openclaw/skills/nano-banana-pro of trpc-group/trpc-agent-go.

  • SKILL.md
  • scripts/generate_image.py

Open the folder on GitHubat commit 5344490

Used in 8 other repositories

We found 8 copies of this SKILL.md (exact, near-identical or edited) in other folders, from 8 other GitHub owners. This page covers the copy in trpc-group/trpc-agent-go, which our catalogue first saw on October 7, 2026.

Compare with similar skills

Nano Banana Pro next to the 5 skills that share the most tags, products or categories with it. Stars are the repository's; “used in” counts other GitHub owners with a copy.

Nano Banana Pro compared with similar skills
SkillStarsUsed inTokensAuto-checkLicenceRepo updated
Nano Banana Pro this skilltrpc-group/trpc-agent-go1.9k8 repos~396Automated safety check: NotesApache-2.0
AI Image Generation and Editingzhayujie/CowAgent47k—~1.3kAutomated safety check: PassMIT
BlockRun Image GenerationBlockRunAI/ClawRouter6.6k—~2.1kAutomated safety check: PassMIT
Antigravity Gemini ImageuluckyXH/OpenMOSS1.3k—~730Automated safety check: NotesMIT
FigureMuuuun/luxas1.2k—~1.2kAutomated safety check: PassMIT
Gemini Image Generatordair-ai/dair-academy-plugins6142 repos~3.5kAutomated safety check: NotesMIT

Similar skills

  • AI Image Generation and Editing

    zhayujie/CowAgent

    Generates or edits images from text prompts through a Python script that picks an image backend based on which API keys are configured.

    47k GitHub stars~1.3k tokensUpdated yesterday
    Media & CreativeAuto-check passed

  • BlockRun Image Generation

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    Generates or edits images through ClawRouter's local image API, with a choice of models and sizes and payment handled automatically through x402.

    6.6k GitHub stars~2.1k tokensUpdated 6 days ago
    Media & CreativeAuto-check passed

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    1.3k GitHub stars~730 tokensUpdated 3 mo ago
    Media & CreativeAuto-check: notes

  • Figure

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    Hybrid figure pipeline (Nano Banana raster + rembg background removal + TikZ vector assembly).

    1.2k GitHub stars~1.2k tokensUpdated 1 mo ago
    Media & CreativeAuto-check passed

  • Gemini Image Generator

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    Generates and edits images with Google's Gemini Nano Banana Pro model through the Gemini API, including photo edits and multi-image composition.

    614 GitHub starsUsed in 2 repos~3.5k tokens
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  • Nanobanana

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Works with

Categories

Questions about Nano Banana Pro

What does Nano Banana Pro do?

Generate or edit images via Gemini 3 Pro Image (Nano Banana Pro). Nano Banana Pro is an agent skill from trpc-group/trpc-agent-go. Generate or edit images via Gemini 3 Pro Image (Nano Banana Pro).

When should I use Nano Banana Pro?

Nano Banana Pro fits situations like: tasks that involve Image generation; tasks that involve Image editing.

How do I install Nano Banana Pro in Claude Code?

Run `npx skills add trpc-group/trpc-agent-go --skill nano-banana-pro -a claude-code`. Or copy the skill folder (openclaw/skills/nano-banana-pro in trpc-group/trpc-agent-go) into .claude/skills/nano-banana-pro in your project. Claude Code loads it when a task matches its description.

How do I install Nano Banana Pro in Codex?

Run `npx skills add trpc-group/trpc-agent-go --skill nano-banana-pro -a codex`. Or copy the skill folder (openclaw/skills/nano-banana-pro in trpc-group/trpc-agent-go) into .agents/skills/nano-banana-pro in your project. Codex loads it when a task matches its description.

Can I use Nano Banana Pro in Cursor, Gemini CLI or GitHub Copilot?

Cursor, Gemini CLI, GitHub Copilot and OpenCode also load SKILL.md folders. With the skills CLI, run `npx skills add trpc-group/trpc-agent-go --skill nano-banana-pro -a cursor` (or -a gemini-cli, github-copilot or opencode for the others). To copy it by hand, put the folder in .cursor/skills/nano-banana-pro, .gemini/skills/nano-banana-pro, .github/skills/nano-banana-pro and .opencode/skills/nano-banana-pro in your project.

What does Nano Banana Pro need to run?

Going by SKILL.md and its folder, Nano Banana Pro needs Python for the scripts in its folder, the command-line tools its instructions call (uv) and credentials named GEMINI_API_KEY. Our summary lists: Python 3; A credential in GEMINI_API_KEY.

Does Nano Banana Pro access the network?

SKILL.md contains no URLs. Its commands use uv, which can reach the network depending on how they are called. This is read from the text; nothing was executed.

Is Nano Banana Pro safe to install?

Our automated static check of SKILL.md found notes only (mentions a .env file), nothing it rates as a warning. It is not a guarantee. The check reads SKILL.md only: the scripts in the folder are not scanned, so read them before running anything.

What licence does Nano Banana Pro use?

Nano Banana Pro is published under the Apache-2.0 licence (the repository's licence). It allows redistribution, so the full SKILL.md is shown on this page.

How many tokens does Nano Banana Pro use?

About 396 tokens (SKILL.md is roughly 1.6k characters). Agents keep only the skill's name and description in context until a task matches; then they load SKILL.md in full.

What are the alternatives to Nano Banana Pro?

Skills that share tags, products or a category with Nano Banana Pro: AI Image Generation and Editing (zhayujie/CowAgent, 47k stars), BlockRun Image Generation (BlockRunAI/ClawRouter, 6.6k stars), Antigravity Gemini Image (uluckyXH/OpenMOSS, 1.3k stars) and Figure (Muuuun/luxas, 1.2k stars). The comparison table on this page puts their stars, adoption, token cost, safety result and licence side by side.

Who maintains Nano Banana Pro?

trpc-group (a GitHub organization) maintains it in trpc-group/trpc-agent-go, which has 1,857 GitHub stars. The repository holds 47 skills in this directory. The repository was last updated on October 10, 2026.

Source: trpc-group/trpc-agent-go on GitHub. Facts on this page come from the repository at the commit we read; the author's words are quoted as theirs.