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Long-form pieces on the agent harness, agent productization, and the runtime layer.
What Is an Agent Harness?
An agent harness is the runtime layer that turns a language model into a working agent. Here is what it owns, how it differs from a framework or MCP, and why production raises the bar.
ReadThe Anatomy of an Agent Harness
A component-by-component tour of an agent harness. One request traced end to end, ten subsystems and what each one owns, and a diagnostic table for when something breaks in production.
ReadAgent Harness vs MCP: Different Layers, Not Rivals
MCP connects an agent to tools. A harness runs the agent. Here is why they get compared, where each one's boundary actually sits, and how they compose in practice.
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