Agents at Scale: The 2026 Frontier

What breaks when you run AI agents at scale, and the patterns that hold up.

6 tutorials · start at part 1 or jump anywhere

  1. 1 Why AI Agent Projects Fail Between Pilot and Production 88% of enterprise AI agent pilots never reach production. Learn the four structural failure modes and the engineering discipline that separates the 12% that ship. Jun 23, 2026
  2. 2 The 6 Multi-Agent Patterns That Actually Work in 2026 The six patterns worth using — orchestrator-worker, routing, pipeline, fan-out, reflection, debate — with real token economics and when one agent still wins. Jun 23, 2026
  3. 3 A2A vs MCP: How Agent-to-Agent and Agent-to-Tool Protocols Differ MCP connects an agent to tools; A2A connects agents to each other. Here is how both protocols work mechanically and why production systems need both. Jun 23, 2026
  4. 4 How Subagent Isolation Prevents Context Rot in LLM Agents Why spawning fresh-context subagents is the structural cure for the accuracy decay that plagues long single-agent sessions — and how to apply it in production. Jun 23, 2026
  5. 5 Agent Observability: How to Trace and Debug AI Agents with OpenTelemetry Status codes lie in agent systems. Learn how OpenTelemetry GenAI semantic conventions let you trace tool I/O, handoffs, and state mutations that actually cause failures. Jun 23, 2026
  6. 6 What Is Harness Engineering? How the System Around the Model Determines AI Reliability Why the agent harness — not the model — is the real differentiator in 2026 AI systems, and how to build each of its five layers correctly. Jun 23, 2026