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Environment Variable Reference

Variable Purpose
OPENAI_API_KEY OpenAI and optional Codex API access
ANTHROPIC_API_KEY Claude API access
GEMINI_API_KEY Gemini API access
OPENROUTER_API_KEY OpenRouter API access
CURSOR_API_KEY Cursor agent host access where supported
RENDER_API_KEY Render API operations
VERCEL_TOKEN Vercel CLI/API operations
RAILWAY_TOKEN Railway CLI/API operations
FLY_API_TOKEN Fly.io CLI/API operations
AZURE_CLIENT_SECRET Azure service principal secret
AWS_SECRET_ACCESS_KEY AWS credential secret component
GOOGLE_APPLICATION_CREDENTIALS Path to Google Cloud application credentials
DIGITALOCEAN_ACCESS_TOKEN DigitalOcean API access
OLLAMA_HOST Optional Ollama endpoint override

Never commit values. Use process environment, masked local setup, encrypted local storage, or an approved secret manager. .env.example contains names only.