CCDV-F practice › Tools and MCPs · Question 23 of 92
Tools and MCPs
A one-off internal script needs a single bespoke capability used by exactly one application, with no plan to reuse it elsewhere. What's the proportionate choice?
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Answer: B — A custom tool scoped to that one application
The scale ladder matters here: an MCP server is proportionate once something needs to be discoverable and reused across multiple apps. For one app's bespoke, non-reused need, a custom tool is the right-sized choice — building a server is over-engineering for this scope.
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