This is for people trying to understand the infrastructure around large language models: Claude Code,...
An agent harness—guides, permissions, sensors, memory—generates trust equally with the model. For tech managers, evaluating Claude Code, Cursor, Codex means auditing the harness (context, permissions, checks) as much as the model version.
This is for people trying to understand the infrastructure around large language models: Claude Code, Codex, Cursor, LangGraph, MCP servers, repo instructions, permissions, hooks, and all the agent plumbing that has popped up.
The short answer:
The model is the brain. The harness is the operating environment that makes the brain useful.
Or shorter:
Models generate answers. Harnesses generate trust.
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