Environment variables

Variable	Required	Description
`DATABASE_URL`	Sometimes	PostgreSQL connection string when supplied through environment.
`MEMORY_LAYER_PROFILE`	Optional	Selects a profile such as dev or prod in local workflows.
`MEMORY_CONFIG`	Optional	Points a subprocess at a specific config file.
`MEMORY_LAYER_CONFIG`	Optional	Alternate config path variable used by Memory-aware helpers.
`OPENAI_API_KEY`	Optional	Used when OpenAI-compatible LLM or embedding providers are configured.
`VOYAGE_API_KEY`	Optional	Used when Voyage embeddings are configured.

Provider-specific variables depend on your config. Prefer memory doctor to discover missing keys.

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