> This page is for version v4 (default).
> For other versions, use one of these documentation indexes:
> - v4 (default): https://help.getzep.com/v4/llms.txt
> - v3: https://help.getzep.com/v3/llms.txt
> - v2: https://help.getzep.com/v2/llms.txt

> For clean Markdown of any page, append .md to the page URL.
> For a complete documentation index, see https://help.getzep.com/llms.txt.
> For AI client integration (Claude Code, Cursor, etc.), connect to the MCP server at https://help.getzep.com/_mcp/server.

## General availability of type hierarchies

Entity type hierarchies and edge type hierarchies are now generally available. You can now set `entity_type_hierarchy` and `edge_type_hierarchy` in a project ontology or a graph ontology without a request for access. Before, the hierarchies were in closed beta, and Zep enabled them only for select accounts.

Read the docs

## Entities of custom types with properties

Zep now keeps an extracted entity of a custom entity type with properties when the episode has no facts about the entity. Zep stores the extracted property values on the entity node. Before, Zep dropped an entity with no facts, and its property values were lost.

Read the docs