Vercel demonstrates that replacing custom agent tooling with simple filesystem and bash operations reduces costs (sales call summarization dropped 4x from $1 to $0.25 per call) while improving output quality on Claude Opus 4.5. The pattern leverages LLMs' native understanding of directory navigation and command-line operations to let agents autonomously explore and contextualize structured data.
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How to build agents with filesystems and bash
Vercel cuts agent-assisted sales call summarization costs by 4x (from $1 to $0.25 per call) using Claude Opus 4.5 with filesystem and bash operations instead of custom tooling, improving output quality.
Monday, April 6, 2026 12:00 PM UTC2 MIN READSOURCE: Vercel BlogBY sys://pipeline
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