gemini-feedback - SKILL.md Agent Skill

name: gemini-feedback description: Get feedback from Gemini API on a diagram image for textbook quality review. allowed-tools: Bash(uv run python:*), Read

Gemini Feedback

Get feedback from Gemini API on a diagram image.

Usage

/gemini-feedback <path-to-image> [context]

Instructions

When this command is invoked:

Read the image file at the provided path
Call the Gemini API to get feedback on the diagram
Use this Python snippet to call Gemini (uses the newer google-genai package):

import base64
import os
from google import genai

client = genai.Client(api_key=os.environ['GEMINI_API_KEY'])

with open('<IMAGE_PATH>', 'rb') as f:
    img_bytes = f.read()

prompt = '''Review this diagram for a textbook. Be concise and specific.

Context: <CONTEXT>

Please provide:
1. Overall assessment (1-2 sentences)
2. Specific issues to fix (be detailed about visual problems like alignment, overlapping, etc.)
3. Suggestions for improvement
'''

response = client.models.generate_content(
    model='gemini-2.5-flash',
    contents=[
        prompt,
        genai.types.Part.from_bytes(data=img_bytes, mime_type='image/png'),
    ],
)
print(response.text)

Replace <IMAGE_PATH> with the actual path provided
Replace <CONTEXT> with any context provided, or use "Technical diagram for ML/AI textbook"
Ensure GEMINI_API_KEY is set in environment
Run using: uv run python -c "..."
Present the feedback to the user

Example

/gemini-feedback diagrams/generated/png/tool_use_generation.png "Diagram showing tool use interleaving in LLM generation"