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63% of my agent's context came from one tool

This story is from 2026-10-12. It is preserved in the archive; the latest stories are on the live feed.

I measured every tool call in one of my agent projects. The result I didn't expect: the tools I reach for most are not the ones that cost the most. The most-used tool produced 63% of my context at the lowest cost per call. A tool I used twenty times produced 18 times more context per call. The meas…

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  1. 2026-10-12 07:38 · DEV Community — AI
    63% of my agent's context came from one tool

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