Hermes Skill: Vertex AI Image Generator

Plugin for Hermes Agent to enable high-fidelity image generation via Google Cloud Vertex AI (Imagen 3). Handles base64 decoding, local file saving, and aspect ratio management autonomously.

LLM / RAG Context

• Framework: Hermes Agent
• Target Platform: Google Cloud Vertex AI (Imagen 3 / Gemini 3 Pro Image)
• Authentication: GOOGLE_APPLICATION_CREDENTIALS (Service Account JSON)
• Capabilities: Text-to-Image generation, Aspect Ratio control, Base64 parsing.
• Agent Instruction: Refer to llms.txt for implementation details and constraints.

Features

• Model Support: Google Imagen 3 (ready for Nano Banana Pro / Gemini 3 Pro Image).
• Aspect Ratios: Natively supports 16:9, 1:1, 9:16, 4:3.
• File Management: Automatically saves output to the local cache and delivers the media path to the user.

Installation

hermes skills install https://raw.githubusercontent.com/SC32br/hermes-skill-imagen-vertex/main/SKILL.md

Configuration

Set up your Google Cloud environment variables before running:

export GOOGLE_CLOUD_PROJECT="your-project-id"
export GOOGLE_APPLICATION_CREDENTIALS="/path/to/your/service-account.json"
export GOOGLE_CLOUD_LOCATION="us-central1" # Optional

Repository Structure

• SKILL.md: Declarative agent instructions and capability mapping.
• scripts/generate.py: Python execution script interacting with Vertex AI endpoints.