dream-num / univer

The Office harness for AI agents

One runtime.
People on one side,
agents on the other.

Univer is an open-source Office SDK for spreadsheets, documents and presentations. The same architecture runs UI apps in the browser and headless processing in Node.js, so people and AI agents can work in the same files.

Read the source AI SDK documentation
  • 01

    Programmatic editing

    Agents inspect and modify Office content through structured APIs — not by driving a UI.

  • 02

    Output verification

    Agents check their own results through content inspection, rendered screenshots and layout diagnostics.

  • 03

    Worktree collaboration

    Agents work in isolated drafts; people review the changes and decide what to merge.

Shared runtime

isomorphic

Browser

People

Canvas-rendered editing surfaces, extensible UI, live review.

Node.js

Agents

Headless workbook and document logic for automation and server-side workflows.

BOTH CALL THE SAME SURFACE

Unified Facade API

workbooks · worksheets · ranges · formulas · documents · commands · events

  • Spreadsheets
  • Documents
  • Presentations
  • Bases
  • Boards
  • PDFs — coming soon

Every capability ships as a composable plugin, so features can be added, removed, replaced or lazy-loaded.