> For clean Markdown of any page, append .md to the page URL. > For a complete documentation index, see https://docs-beta.getzep.com/v3/changelog/2026/6/25/llms.txt. > For AI client integration (Claude Code, Cursor, etc.), connect to the MCP server at https://docs-beta.getzep.com/_mcp/server. ## Clearing edge timestamps and replacing attributes Updating a graph edge with `graph.edge.update` now clears the `valid_at` and `invalid_at` timestamps when you set them to null, and attribute updates replace rather than merge — so an attribute set to null is removed. Cleared values are reflected in later searches. Read the docs