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How we stopped a 44MB Excel file from blowing up our agent’s context window

This story is from 2026-08-29. It is preserved in the archive; the latest stories are on the live feed.

Classic problem: agent needs to answer a question buried in a huge spreadsheet. Dumping the file (or a text export of it) into context isn’t an option, in our case, a 1M+ row, 44MB workbook would’ve been 86M+ characters as plain text. No context window survives that. The fix: give the agent a narro…

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  1. 2026-08-29 07:08 · r/AI_Agents
    How we stopped a 44MB Excel file from blowing up our agent’s context window

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