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Equation 4 · Part 3 · Function Calling, MCP, and the Other Ways to Give a Model Tools

Symbol N

Istandardised≈M+N.I_{\mathrm{standardised}} \approx M + N.
NN

What this part means

N is a part of this expression. Its role is fixed by the surrounding article and by the operations shown in the formula.

Its job in the formula

N is a part of this expression. Its role is fixed by the surrounding article and by the operations shown in the formula.

The passage around this formula

A protocol that both sides target once, instead, lets each side write a single adapter to the shared standard, so the count becomes Istandardised≈M+NI_{\mathrm{standardised}} \approx M + N. This is an illustrative accounting, not a verified cost function — real integrations are not uniform in effort, and a bespoke connector written once is not literally rebuilt M separate times in practice. What the two expressions capture correctly is the shape of the argument both LSP and MCP’s own announcement make: the saving claimed is structural, in how many distinct things must exist and be maintained, not a claim that any single connector becomes individually cheaper to write [ 5 , 6 ] .

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A variable is a named place for a value. Its letter is a local label: x can mean position in one formula and a data point in another.

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Sources cited in the article section

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