988CWB avg tokens
44.5%less than Markdown
57.5%less than HTML source
100%required fact coverage
Benchmark Explorer
Switch metric views to see why selective workbook reads are cheaper for agents.
Agent Range-Read Simulator
A `.cwb` reader starts with the manifest, then pulls only relevant sheet ranges.
Protocol Path
The workbook is a context container, not just a prettier document.
1. PackWeb, chat, code, reports, tables, images.
2. IndexManifest records sources, sheets, ranges, budgets.
3. SliceCSV sheets expose low-token range reads.
4. ArchiveXLSX, HTML, notes, and assets stay human-readable.
5. ResumeAgents continue from the relevant slice.