PILLAR 01 · CORE
Cognitive & Agent Architecture
Cognitive Kernel
The AI OS brain. Permanent runtime controlling all agents. Owns reasoning, planning, working memory, and decision loops. LLM is stateless — the kernel holds continuity.
cognitive-loop
planner-executor
reflection-pattern
hierarchical-agents
working-memory
PILLAR 02 · CORE
Memory Architecture
Memory OS
Three-tier external memory. Semantic via pgvector, graph via Apache AGE, episodic event log via PostgreSQL. Memory lives outside the model. The platform holds truth.
memory-os
retrieval-augmented-generation
vector-indexing
knowledge-graph
episodic-memory
PILLAR 03 · CORE
Orchestration & Execution
Orchestration Engine
Workflow control layer. Durable execution via Temporal ensures crash recovery. LangGraph drives structured reasoning. Agents do not execute directly — the orchestrator does.
orchestrator-worker
durable-execution
state-machine
checkpointing
human-in-the-loop
PILLAR 04 · MODULAR
Reliability & Distributed Systems
Reliability Layer
System stability patterns: idempotent operations, graceful degradation, and circuit breakers to reduce cascade failures. Resilience depends on HA deployment choices.
retry-pattern
circuit-breaker
idempotency
graceful-degradation
When to Add
Add when moving from single-instance to distributed deployment, or when agent workflows exceed 30-second execution windows. Not required for an MVP or simple copilot patterns.
PILLAR 05 · CORE
Inference & Model Serving
Inference Gateway
Model execution abstraction. Routes to optimal model by cost and latency, caches prompts, falls back gracefully. Models are replaceable — the platform owns cognition.
inference-gateway
model-routing
fallback-pattern
prompt-caching
PILLAR 06 · MODULAR
Multi-Agent Coordination
Agent Ecosystem
Agent-to-agent collaboration via shared memory and supervisor delegation. Agents are specialized — each owns a domain. Coordination happens at the platform layer, not inside the LLM.
agent-to-agent
supervisor-worker
shared-memory-coordination
When to Add
Add when a single agent cannot complete a task within a reasonable context window, or when distinct domains (finance, legal, ops) need independent specialized agents. Not required for single-agent or copilot deployments.
PILLAR 07 · CORE
Security, Trust & Governance
AI Gateway / Firewall
Zero-trust perimeter with threat-drift monitoring and continuous adversarial testing. Requests are authenticated, sanitized, and logged before reaching the cognitive kernel. Adversarial input/output filtering is policy-driven and vendor-neutral.
zero-trust
audit-logging
ai-firewall
threat-drift-monitoring
adversarial-filtering
prompt-sanitization
pii-redaction
identity-and-access-control
PILLAR 08 · CORE
Data & Knowledge Integration
Enterprise Data Layer
Semantic layer over all enterprise data sources. Federates databases, warehouses, APIs, and documents into a unified knowledge surface. Unstructured data governance (emails, chats, transcripts) is handled through classification, retention, provenance, and policy-aware ETL into Memory OS.
semantic-layer
data-federation
unstructured-data-governance
ETL
event-driven-architecture
Core Pillars Above · Modular Expansions Below
PILLAR 09 · CORE
Event-Sourced Cognitive State
Cognitive Event Log
Append-only log of every cognitive event. Enables full replay, debugging, and reproducibility. Without this: no auditability, no root-cause analysis, no enterprise deployment.
event-sourcing
cognitive-lineage
append-only-log
replay
agent_thought
tool_call
PILLAR 10 · CORE
Agent Identity & Permissions
Agent Identity Layer
Every agent has an identity, role, and bounded access scope. Agent A cannot access the Finance DB unless explicitly authorized. RBAC for agents is as mandatory as RBAC for humans.
agent-rbac
oauth2
agent-identity-registry
permission-scoping
PILLAR 11 · CORE
Tool Execution Sandbox
Execution Isolation Layer
Tool calls run in isolated execution environments under policy gates. The sandbox enforces DLP checks, egress controls, and artifact quarantine for unstructured content before data crosses trust boundaries. Agents do not directly access production systems in this reference model.
sandbox-execution
docker
firecracker
e2b
egress-policy
artifact-quarantine
execution-isolation
PILLAR 12 · CORE
Observability / Cognitive Telemetry
Observability Layer
End-to-end tracing of every request through every layer. Continuous performance monitoring and drift detection track input/output shifts and tool behavior regressions. Agentic trace-only metrics measure plan quality, step efficiency, retry burden, and tool success/failure over time.
opentelemetry
distributed-tracing
drift-detection
agentic-trace-metrics
plan-quality
step-efficiency
grafana
metrics
cognitive-telemetry
PILLAR 13 · MODULAR
Distributed Task Queue / Worker
Async Worker Layer
LLM calls should not block critical paths. Inference is typically asynchronous via worker queues so the cognitive kernel remains responsive at enterprise load.
async-workers
kafka
task-queue
temporal-workers
non-blocking
When to Add
Add when concurrent agent workloads exceed what synchronous execution can handle, or when LLM latency is causing downstream timeouts. Critical for high-throughput enterprise deployments; not needed for low-volume or batch-only use cases.
PILLAR 14 · MODULAR
Agent Communication Protocol
Agent Protocol Layer
Protocol interoperability layer. MCP standardizes tool and resource context exchange. A2A standardizes agent-to-agent task communication. Handoffs are explicit contracts, not loose strings.
mcp
agent-to-agent-protocol
task-handoff
capability-registry
When to Add
Add when building a multi-agent platform where agents from different teams or vendors must interoperate. MCP becomes essential when tool ecosystems grow beyond a handful of internal integrations. Less critical for single-team, single-agent deployments.
PILLAR 15 · CORE
Evaluation & Trust
Evaluation Layer
Evaluation stack combines automated Red Teaming, Reference/Golden Set benchmarking, and release-gated regression checks. Drift detection and LLM-as-Judge harnesses monitor quality, safety, and cost continuously. Trust is measured, not assumed.
automated-red-teaming
golden-set-benchmarking
regression-gates
drift-detection
llm-as-judge
continuous-eval
safety-metrics
cost-tracking
eval-pipeline
PILLAR 16 · CORE · V3
Policy Decision Plane
Policy Engine / OPA
Central policy brain. Decides what is allowed before execution occurs. Distinct from the gateway — the gateway enforces, the PDP decides. Every agent action, tool call, and model access queries the PDP first. Enables need-to-know enforcement at enterprise-grade precision.
open-policy-agent
abac
policy-as-code
contextual-policy
risk-based-policy
need-to-know
PILLAR 17 · MODULAR · V3
Cognitive Security Layer
AI Threat Defense Layer
Active defense against AI-specific attack surfaces. Validates agent thoughts, memory writes, and tool calls before they commit. Detects prompt injection, memory poisoning, model manipulation, and agent takeover attempts. Operates inside the cognitive loop — not just at the perimeter.
prompt-injection-detection
memory-poisoning-defense
thought-validation
tool-call-risk-analysis
model-output-classification
agent-takeover-prevention
When to Add
Add when operating in high-adversarial environments: defense, intelligence, financial trading, or any system where external untrusted content enters the cognitive loop. Also add when agents have write access to shared memory stores used by other agents or humans.
PILLAR 18 · MODULAR · V3
Simulation & Pre-Deployment Testing
Cognitive Simulation Layer
No agent capability goes directly to production. Shadow execution and synthetic environments validate attack resistance, failure modes, and decision quality before live deployment. Military systems never skip this. Neither should enterprise AI.
shadow-execution
synthetic-environments
pre-deployment-validation
red-team-environment
failure-mode-testing
attack-resistance-testing
When to Add
Add when agents can take irreversible actions — capital movement, document deletion, system configuration, or patient-facing decisions. Also required for regulated industries (finance, defense, healthcare) before any production deployment. Not required for read-only or informational agents.