The six layers

Six layers, one office. Brain · harness · team · library · memory · connectors — all in one frame.
Six layers. Each is one technology. Each is replaceable. Read bottom-up — each layer adds to the one below.

LLM

Agent SDK

Orchestration

Office Library

Memory
06
Connectors
Talks with humans
05
Memory
A mind that remembers
vector searchfilesystem indexstory matchingcold-start inject
04
Office Library
A shared library everyone reads
casefiles5 perspectivesstoriesprovenance
Mem0
Letta
Zep
Mem0
Letta
Zep03
Orchestration
Workers together = a team
LIFEOSAIwakeupsrunsissuesbudgetsaudit
02
Coding agent / SDK
Brain + tools = a worker
Pi Coding Agent01
LLM
A brain that thinks in words
Where this office runs
Ordinary infrastructure. Azure, AWS, GCP, or your own data centre. Filestore for the library. Postgres or SQLite for the memory index. Brains reached via APIs.
Nothing magical about the infrastructure. What’s sophisticated is how the parts fit together.
Read next
Live LIFEOSAI demo The next 20 min of the morning — these six layers running together.
Coding → managing (closing) The cultural shift these layers enable.
PM · Claude SDK basics Build your first agent in the terminal — Layer 2 hands-on.
System architecture (deeper) The technical deep-dives behind each layer.