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Bun preload cuts Claude Code token waste by up to 20%
What is Claude Code regularly sends each background agent’s transcript to its model?
Claude Code adds a three-word status line that consumes about 15-20 % of your token budget. A simple Bun preload disables the agent_summary flag, preventing that overhead.
Who it is for
Anyone building with Claude Code can save tokens and lower costs by applying the preload.