How do I connect Ironcalc MCP Server to Claude?

Run `claude mcp add ironcalc-mcp -- uvx ironcalc-mcp` in Claude Code, or add the same command and arguments under mcpServers in Cursor's mcp.json or Claude Desktop's claude_desktop_config.json, then restart the client. The blocks above are ready to paste.

Is Ironcalc MCP Server free?

The listed licence is MIT. Check the upstream terms for permitted use and commercial requirements; a public repository does not by itself mean the software is free or open source. Connected APIs and hosted services may have separate charges.

What can Ironcalc MCP Server do?

Ironcalc MCP Server documents 32 tools to the agent, including add_sheet, apply_named_style, clear_range. The descriptions above come from project documentation. A live handshake does not test individual tool behavior.

Ironcalc MCP

Unclaimed

by yolonir

MCP server for IronCalc spreadsheet engine

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01 / Choose your client

02 / Before you connect

Authentication is not specified. Check the project instructions before connecting.

Install the runtime required by the project and make it available to your client.

Project instructionsEnvironment variable names (optional)

Use names from the project instructions, separated by commas. Enter names only, never secret values.

03 / Add the configuration

Source: generated from public install instructions

claude mcp add --transport stdio 'ironcalc-mcp' -- 'uvx' 'ironcalc-mcp'

Run in your terminal after replacing any placeholders.

04 / Check it in your client

Open your client’s MCP settings and confirm the server connects and lists its tools. A copied configuration does not confirm a working connection.

excelmcpspreadsheetspreadsheetsironcalc

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32 of 32 tools

Documented tools (32)

From project documentation. A server handshake does not verify each tool’s description or behavior.

add_sheet

Create a sheet

apply_named_style

Apply a named style to a range

clear_range

Clear contents, formatting, or everything

create_defined_name

Create a defined name

create_workbook

Create an empty workbook with locale, timezone, and formula language

delete_defined_name

Delete a defined name

delete_sheet

Delete a sheet

duplicate_sheet

Duplicate a sheet

get_cell

Get content, formatted value, and type

get_cell_style

Get font, fill, border, alignment, and number format

get_cells

Read non-empty cells from an inclusive range

get_workbook_info

Get metadata, theme, sheets, dimensions, states, and colors

list_conditional_formats

List conditional formatting rules

list_defined_names

List workbook- and sheet-scoped names

load_workbook

Load an xlsx file

move_sheet

Reorder a sheet

paste_csv

Paste tab-delimited rows into a range

redo

Redo the latest undone action

rename_sheet

Rename a sheet

save_workbook

Save to xlsx

set_array_formula

Set an array formula over a result area

set_cell

Set a value or formula

set_cell_style

Update selected style properties on a cell or range

set_cells

Batch-write cells with one evaluation pass

set_column_width

Size one column or an inclusive range

set_grid_lines

Show or hide grid lines

set_range_border

Apply inner, outer, side, or full borders

set_row_height

Size one row or an inclusive range

set_sheet_color

Set the tab color

set_workbook_properties

Update name, locale, timezone, language, or theme

undo

Undo the latest action

update_defined_name

Rename, re-scope, or update a defined name

Tool change history

Compared across complete checks of the same configuration. Tools were listed, not invoked. Input-schema changes are not measured here.

No complete tool checks yet.

FAQ

Questions about Ironcalc MCP Server

How do I connect Ironcalc MCP Server to Claude?: Run `claude mcp add ironcalc-mcp -- uvx ironcalc-mcp` in Claude Code, or add the same command and arguments under mcpServers in Cursor's mcp.json or Claude Desktop's claude_desktop_config.json, then restart the client. The blocks above are ready to paste.
Is Ironcalc MCP Server free?: The listed licence is MIT. Check the upstream terms for permitted use and commercial requirements; a public repository does not by itself mean the software is free or open source. Connected APIs and hosted services may have separate charges.
What can Ironcalc MCP Server do?: Ironcalc MCP Server documents 32 tools to the agent, including add_sheet, apply_named_style, clear_range. The descriptions above come from project documentation. A live handshake does not test individual tool behavior.