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Loading.MCP (Model Context Protocol) is a standard way to expose tools an AI agent can discover and call, instead of handing it raw API docs and hoping it composes them. It turns your systems into a typed menu of capabilities the agent chooses from. Done right (one server per domain, scoped tools, an identity on every call), it makes a real back office agent-ready. Done wrong, it's the most over-privileged client you've ever shipped.
The naive way is to give an agent your REST docs and let it figure out the calls; it works in a demo and drifts in production. MCP declares each operation as a typed tool the agent invokes directly — it stops guessing how your API works and picks from a menu you control.
A real back office is many systems. One MCP server per domain keeps each tool list short and separately permissioned, so an agent only sees the tools its principal may use. A model also reasons worse when handed hundreds of irrelevant tools at once.
Every tool call should carry a per-principal token, not a shared god-key, so actions are attributable and access is enforced below the tool. The discipline is the same as running a microservice fleet, not wiring one demo server.
or have us build it — same capability, the other door