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by lyaocean 116 days ago
Practical rule: if MCP is configured directly in Cursor, the model sees each tool card. If a plugin wraps MCP behind its own API, the model usually sees only the plugin surface.

Easiest way to verify in your setup: ask the agent to list callable tools, then compare direct-MCP mode vs plugin mode on the same workspace. The delta tells you exactly where the abstraction boundary is.