SharePoint Spreadsheet Formula Builder Use this skill when the formula itself is the task and the workbook lives in SharePoint. This workflow depends on the Microsoft SharePoint connector for file discovery and binary transfer, not formula-aware editing. The relevant connector actions on the exposed Codex surface are , , , , , , and . In Codex, use those direct Microsoft SharePoint app tools rather than generic MCP resource-listing flows. The backend wrapper routes connector actions through tool calls, not through user-facing SharePoint resource enumeration. Read before drafting the first for…