Interesting approach with the hierarchy. I went the opposite direction with engram-mcp — flat structure, 5 tools, semantic search via Ollama (nomic-embed-text)

Interesting approach with the hierarchy. I went the opposite direction with engram-mcp — flat structure, 5 tools, semantic search via Ollama (nomic-embed-text) with keyword fallback when Ollama isn't running. SQLite-backed. The bet is that most agents don't need tiered recall, they just need "find the thing I said about X." npx -y @cartisien/engram-mcp if you want to try it. Curious how the L0/L1 hierarchy plays out in practice - do agents actually use the deeper levels?