# AI_Brain env folder
- master.env: source this to export envs from this folder:
    source ~/Desktop/AI_Brain/env/master.env
- api_keys.env: store private API keys here (chmod 600)
- apis_devtools.env: curated API names & docs URLs
- services.env: runtime toggles (enable/disable features)
Security:
- Never commit api_keys.env to source control. Add env/.gitignore to your repo.