Most "give your agent tools" tutorials hand it a calculator or a weather API. Useful for learning the mechanics, but it doesn't tell you what happens when an agent gets access to a real operational system — one with access control, multi-tenancy, and objects that map to actual physical things (buildings, vehicles, machines). This post walks through connecting a LangChain agent to Telesherpa , an ontology-based platform for facility, fleet and field-service management, over the Model Context...