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How the design of an MCP server affects agent token usage

This story is from 2026-09-12. It is preserved in the archive; the latest stories are on the live feed.

In the previous article , I tested whether an MCP server could reduce the output tokens agents need to edit Word documents. The MCP workflow used 28% to 51% as many output tokens as direct editing with OOXML or the Open XML SDK, depending on the agent and model. While reviewing the experiment trace…

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  1. 2026-09-12 13:40 · DEV Community — AI
    How the design of an MCP server affects agent token usage

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