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Enabling Bash costs more context than seven MCP tool schemas

This story is from 2026-08-27. It is preserved in the archive; the latest stories are on the live feed.

Nine days ago I measured MCP tool schemas against a curl recipe with a tokenizer and got a near-tie. This time I ran the agent: four arms, same model, same 12 asks, only the delivery mechanism varying. MCP was the cheapest arm — 109,779 billed input tokens for a 12-ask conversation against 158,021…

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  1. 2026-08-27 13:32 · DEV Community — AI
    Enabling Bash costs more context than seven MCP tool schemas

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