GitHub – tmustier/pi-for-excel: Experimental Excel sidebar agent add-in. Multi-model. Powered by Pi. Skip to content You signed in with another tab or window. Reload to refresh your session. You signed out in another tab or window. Reload to refresh your session. You switched accounts on another tab or window. Reload to refresh your session. Dismiss alert tmustier / pi-for-excel Public Notifications You must be signed in to change notification settings Fork 3 Star 14 Experimental Excel sidebar agent add-in. Multi-model. Powered by Pi. pi-for-excel.vercel.app License MIT license 14 stars 3 forks Branches Tags Activity Star Notifications You must be signed in to change notification settings tmustier/pi-for-excel main Branches Tags Go to file Code Open more actions menu Folders and files Name Name Last commit message Last commit date Latest commit History 813 Commits 813 Commits .githooks .githooks .github .github assets assets docs docs pkg pkg public public scripts scripts skills skills src src tests tests .gitignore .gitignore AGENTS.md AGENTS.md LICENSE LICENSE README.md README.md eslint.config.js eslint.config.js manifest.prod.xml manifest.prod.xml manifest.xml manifest.xml package-lock.json package-lock.json package.json package.json tsconfig.json tsconfig.json vercel.json vercel.json vite.config.ts vite.config.ts View all files Repository files navigation Pi for Excel Open-source, multi-model AI sidebar add-in for Microsoft Excel. Powered by Pi . Pi for Excel is an AI agent that lives inside Excel. It reads your workbook, makes changes, and does research — using any model you choose. Bring your own API key or OAuth login for Anthropic, OpenAI, Google Gemini, or GitHub Copilot. Features Core spreadsheet tools — 16 built-in tools that the AI can call to interact with your workbook: Tool What it does get_workbook_overview Structural blueprint — sheets, headers, named ranges, tables, charts, pivots read_range Read cells in compact (markdown), CSV, or detailed (with formatting) mode write_cells Write values/formulas with overwrite protection and auto-verification fill_formula AutoFill a formula across a range (relative refs adjust automatically) search_workbook Find text, values, or formula references across all sheets modify_structure Insert/delete rows/columns, add/rename/delete/hide sheets format_cells Apply formatting — fonts, colors, number formats, borders, named styles conditional_format Add or clear conditional formatting rules trace_dependencies Trace formula lineage (precedents upstream or dependents downstream) explain_formula Plain-language formula explanation with cited cell references view_settings Gridlines, headings, freeze panes, tab color, sheet visibility comments Read, add, update, reply, resolve/reopen cell comments workbook_history List/restore automatic in-between-saves backups for workbook mutations instructions Persistent user-level and workbook-level guidance for the AI conventions Configurable formatting defaults (curren
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