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Environment Variables

VariableDescription
ANTHROPIC_API_KEYAnthropic API key
OPENAI_API_KEYOpenAI API key
CLAWZERO_MODELOverride default model (e.g. openai/gpt-4o)
GCLOUD_PROJECTGCP project ID (for Vertex AI, if not in config)
AWS_ACCESS_KEY_IDAWS credentials (for Bedrock)
AWS_SECRET_ACCESS_KEYAWS credentials (for Bedrock)
AWS_REGIONAWS region (for Bedrock, default: us-east-1)
SLACK_APP_TOKENSlack Socket Mode app token (xapp-...)
SLACK_BOT_TOKENSlack bot token (xoxb-...)
DISCORD_BOT_TOKENDiscord bot token

Environment variables can be referenced in config files via api_key_env, app_token_env, and bot_token_env fields. See Providers and Gateway for details.