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Documentation Index

Fetch the complete documentation index at: https://docs.strix.ai/llms.txt

Use this file to discover all available pages before exploring further.

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Installation

Vertex AI requires the Google Cloud dependency. Install Strix with the vertex extra: 
pipx install "strix-agent[vertex]"

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Setup

export STRIX_LLM="vertex_ai/gemini-3-pro-preview"
No API key required—uses Google Cloud Application Default Credentials.

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Authentication

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Option 1: gcloud CLI

gcloud auth application-default login

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Option 2: Service Account

export GOOGLE_APPLICATION_CREDENTIALS="/path/to/service-account.json"

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Available Models

ModelDescription
vertex_ai/gemini-3-pro-previewBest overall performance for security testing
vertex_ai/gemini-3-flash-previewFaster and cheaper

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Project Configuration

export VERTEXAI_PROJECT="your-project-id"
export VERTEXAI_LOCATION="global"

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Prerequisites

  1. Enable the Vertex AI API in your Google Cloud project
  2. Ensure your account has the Vertex AI User role