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Agents

Every capability of the MES is an API and a tool first, a screen second. This book is for the person — or the agent — connecting a model to a plant.

  • Connect an MCP client — how-to
  • Tools — reference, generated from the servers
  • The write discipline — why every write takes dry_run, on_behalf_of and client_ref, and why the agent cannot approve anything
  • Evals — "can an agent, given only the tools, answer what the plant knows?" as a trend

Two servers exist. The product server operates the MES the way a person does. The simulation server drives and scores fake plants and has no business near a real one.