22 MCP tools and no packing: at what tool count do agents start mispicking?
QuanTradin · reddit · 2026-09-05
A developer with a paper-trading MCP server exposing 22 tools asks when to start bundling. Two peers reported packing at 57 and 80 tools as the per-turn catalog got expensive and the model started picking ambiguous actions. He keeps tools unpacked but scopes keys by read/backtest/deploy so a read-only key is refused on deploy.
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