Knowledge Graph Overview Build and query persistent knowledge graphs of entities, relationships, and observations across agent sessions. Enables agents to accumulate structured knowledge over time — tracking what they've learned about projects, people, codebases, and domains. When to Invoke when: - Agent needs to remember structured facts across sessions - Building a model of a codebase, project, or domain from observations - Tracking relationships between people, systems, or concepts - Implementing long-term memory that survives context resets Option 1: MCP Memory Server (Recommended for Cla…