Tag: harness engineering
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Agentic AI Harness: Nobody Drives an Engine
An agentic AI harness is everything in the agent except the model. The engine is the model. The fuel tank, transmission, gears, brakes, key, governor and dashboard are the harness. This post maps all seventeen, one car part at a time.
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Agentic AI Harness Drift: Version the Harness Like a Model
You cannot claim change control because you pinned a model version. You can claim it when the harness itself is an inventoried, versioned, eval-gated artifact.
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What Is an Agentic AI Managed Setting? A Rule the Developer Cannot Edit
Agentic AI managed settings are the permission rules an administrator sets above the developer. No project file, local file, or command-line flag can loosen them. That is the whole idea. The rest of this post is the how. Last week I wrote about the circuit breaker and prompt injection. Both of those assume the rules…
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What Is Agentic AI Context Caching? Stop Resending the Codebase
What Is Agentic AI Context Caching? Agentic AI context caching is the runtime control that lets an agent pay once to process a large, stable block of context. On every later turn, the agent reuses the provider’s stored computation at about a tenth of the price. The block is usually the system prompt, the tool…
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What Is Agentic AI Context Compaction? Decide What Goes
Agentic AI context compaction is the step in an agent’s runtime loop where the harness takes a conversation that is nearing the context window limit, has the model write a summary of it, and restarts the loop with that summary in place of the original history. Everything before the summary is gone from the model’s…
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The AI-Native SDLC Playbook, Staged on the Five-Stage Agentic AI Roadmap
What an AI-Native SDLC Roadmap Sequences An AI-native SDLC roadmap is the order in which an enterprise adopts the plays of an AI-native software development lifecycle — intent files, plan mode, hooks, agentic code review, continuous evals, self-closing maintenance loops — so that each play arrives only after the controls it depends on already exist.…
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Agentic AI Governance: Managing the Harness Across the Five-Stage Roadmap
What Agentic AI Governance Actually Governs Agentic AI governance is the discipline of controlling what an AI agent is allowed to do, verifying what it actually did, and proving both to an auditor — and in 2026 the object of that governance is no longer the model. It is the harness. The industry has converged…