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Build Strategy
Build in This Order ● Single agent + retrieval ● Add memory (start with Pattern B — r...
Recommended use
What to Use When Scenario When to use Highest transparency ReAct + logs Fastest...
Recommended Winning Stack (2026)
Layer Choice API FastAPI Agent Framework LlamaIndex Workflow LlamaIndex...
Production Deployment Checklist
Before Launch ● Secrets in vault ● Rate limiting ● Retry logic ● Queueing...
Evaluation Framework
Test continuously in simulation. Benchmark Categories ● Multi-step tasks ● Tool calli...
Observability & Auditability
Track every step. Required Telemetry ● User request ● Context loaded ● Retrieve...
Reliability / Self-Healing Systems
When failures occur: ● Retry ● Alternate tool ● Re-plan task ● Ask clarif...
Security Architecture
Threats ● Prompt injection ● Tool injection ● Retrieval poisoning ● Memor...
Multi-Agent Design
Use role-based agents instead of one omnipotent agent. Agent Responsibility Planner ...
Policy Layer
1. Agent Wants an Action The process begins when the AI agent determines that it needs to perfor...
Agent Skills Layer
Agent Skills Layer NEW IN 2026 Skills are an emerging complement to MCP tools: composed, reusab...
Tool Layer / MCP-Compatible Ecosystem
Use standardized tool interfaces where possible. MCP is now the dominant standard for this layer,...
Modern RAG
Traditional RAG: retrieve → answer Modern Agentic RAG: retrieve → compare sources → detect confli...
Memory Architecture
NEW IN 2026 Agent memory matured from "pick a vector database" into a benchmarked production dis...
Context Engineering Layer
Many failures are context failures, not model failures. This remains true, and is now the organiz...
Architecture
1. User Request The process begins when a user submits a request to the AI system. This request ...
Open-source stack
Layer Recommended Options LLMs LLaMA 4, Qwen 3, Mixtral, DeepSeek Fast Inference...
Emergent Directions for Agentic AI
Large Action Models (LAMs) Models designed to reason about actions, workflows, and consequences. ...
Harness Components
Six Harness Components ● State and persistence — durable memory and workflow checkpoints ac...
Introduction
NEW IN 2026 Harness engineering emerged through 2026 as a distinct discipline, formalized in sur...