Finds the S3 objects paying STANDARD rent while frozen solid. Reads the S3 Inventory reports your bucket already generates (no scans, no credentials), prices tiering with the fine print (128KB tax, transition tolls, breakeven), and writes the lifecycle policy JSON. Zero-dep core.
python aws s3 data-engineering lifecycle glacier cost-optimization s3-inventory finops deep-archive cloud-costs storage-class
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Updated
Jul 8, 2026 - Python