On startup, Falcon loads env vars from the following files in order — earlier sources win: .env (cwd), ~/.hawkeye.env, ~/.neubird.env, ~/.falcon.env. All files are optional. Variables already set in the environment always take precedence.
| Variable | Description |
|---|
ANTHROPIC_API_KEY | Anthropic API key. Required when LLM_PROVIDER is anthropic or when no Bedrock credentials are set. |
| Variable | Default | Description |
|---|
BEDROCK_API_KEY | — | AWS Bedrock bearer token. Required when using Bedrock with token-based authentication. |
BEDROCK_AWS_ACCESS_KEY_ID | — | AWS access key ID. Required when using Bedrock with IAM credentials. |
BEDROCK_AWS_REGION | us-west-2 | AWS region for Bedrock API calls. |
BEDROCK_AWS_SECRET_ACCESS_KEY | — | AWS secret access key. Required when using Bedrock with IAM credentials. |
LLM_PROVIDER | auto-detect | LLM provider: anthropic or bedrock. Auto-detected from available credentials if not set. |
