[binarymax]

Why not use skills? They follow a three-tier loading approach, and you can stick an MCP as part of the toolset for the skills, so it will only load it when the skill is selected.

See the progressive disclosure section in the skills docs: https://agentskills.io/what-are-skills

[forrestthewoods]

Three tiers? I thought it was two?

[binarymax]

Discovery, Activation, Execution as per the linked doc