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Reducto Office is now in Codex and ChatGPT

Reducto Office for finance

Your agent builds the model. You check the math.

Reducto Office opens the workbook in a live .xlsx editor that ChatGPT, Claude or any MCP client can edit. Inputs stay inputs and formulas stay formulas, so the model still recalculates when the agent is done.

Open Reducto OfficeConnect ChatGPT or Claude
A replay of an agent turn in Reducto Office. The files and data are synthetic.

Ask the way you would ask an analyst

  • Add a downside case linked to Base.
  • Build a sources and uses table from the term sheet.
  • Find hardcoded numbers in formula rows.
  • Format inputs blue and formulas black.
  • Chart free cash flow, base against downside.
  • Add a sensitivity on growth and margin.

Built for models

Live formulas
Formulas recalculate when an input changes, across sheets.
Number formats
Accounting formats, percentages, and negatives in brackets.
Conditional formats and validation
Highlight rules and in-cell dropdowns, the way .xlsx stores them.
Charts
Native .xlsx charts that stay linked to their ranges.
Structure
Insert rows and sheets, sort, merge, freeze panes and build tables.
Live together
You and your agent in one workbook, with edits as they happen.

Works in ChatGPT, Claude and any MCP client

Need help? See Reducto Office Support.

  1. 1

    Connect your agent

    In ChatGPT, open Settings, then Apps, find Reducto Office and click Connect. In Claude or another MCP client, add a remote MCP server at https://office.reducto.ai/mcp/app.

  2. 2

    Sign in

    Sign in with your Reducto account.

  3. 3

    Bring a file

    Upload a .docx, .xlsx or .pptx, or ask your agent to start one. The editor opens with the file, and you can work in it too.

Bring the next model.

Open Reducto Office
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