Spreadsheet

Spreadsheet-kit is a robust tool interaction service for agent-based and automated spreadsheet usage. It enables agents and applications to read, analyze, write, verify, and operationalize Excel workbooks (.xlsx, .xlsm, with read support for .xls and .xlsb) through a safe, inspectable interface. Designed for developers and AI agents, it features deterministic JSON contracts, event-sourced editing, workflow helpers, and inspection surfaces, making spreadsheet data manipulation reliable, auditable, and agent-friendly.