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Excel MCP Server

A high-performance Model Context Protocol (MCP) server that gives AI assistants full control over Excel spreadsheets. Built in Rust with zavora-xlsx for native xlsx read/write and rmcp for the MCP protocol layer. 74…

Open the source Read the official guide ↗

What it gives an agent

A purpose-built capability behind one MCP connection.

The server owns its domain logic and publishes a tool contract an MCP client can discover. ADK-Rust can load that contract into an agent, normalize each schema for the chosen model provider, and keep the connection lifecycle outside the agent’s business logic.

01

Create, open, edit, and save xlsx files through natural language

02

Read and analyze spreadsheets with pagination, search, and CSV export

03

Full formatting — bold, italic, colors, borders, number formats, alignment, merge

04

14 chart types — bar, column, line, pie, scatter, area, doughnut, waterfall, funnel, treemap, sunburst, histogram, box & whisker, map

05

Chart enhancements — data tables, 3D views, error bars, axis formatting/bounds/log scale, drop lines, high-low lines, gradients, bubble sizes, alt text, preset styles

06

Pivot tables — calculated fields, date/range grouping, subtotals, grand totals, value formats, row stripes, layout options

07

Slicers and timelines — interactive pivot table filters

Architecture

How Excel MCP Server fits into an agent system.

The model never needs the implementation details or credentials of the system behind the server. It sees reviewed tool definitions. The MCP client handles discovery and calls, while the server keeps ownership of validation, policy, and communication with its domain system.

01

ADK-Rust agent

Chooses a capability from the reviewed tool catalog.

02

MCP client

Discovers schemas, sends calls, and receives typed content.

03

Excel MCP Server

Validates the request and owns 74 documented tool contracts.

04

Domain system

Keeps the API, data, credentials, and business rules behind the server.

Connection: stdio · streamable HTTP · Server framework: rmcp

This repository does not currently publish a dedicated architecture SVG. The integration diagram above is generated from its documented transport and server boundary; use the official README for implementation-specific details.

Tool catalog

What can an agent ask Excel MCP Server to do?

Each tool has a stable name, a human-readable purpose, and a JSON input contract discovered during MCP initialization. Risk classes come from the project’s registry manifest when one is available.

60 named tools shown from 74 documented tools

create_workbook

Create a new empty workbook in memory

see documentation
open_workbook

Open an existing xlsx file (edit or read-only mode)

see documentation
save_workbook

Save to disk as xlsx (formulas recalculated automatically)

see documentation
close_workbook

Close and free memory

see documentation
configure_workbook

Set calc mode (auto/manual), active sheet, document properties

see documentation
list_sheets

List all sheet names

see documentation
get_sheet_dimensions

Get used range, row count, column count

see documentation
describe_workbook

Sheet names, dimensions, and sample data

see documentation
add_sheet

Add a new worksheet

see documentation
rename_sheet

Rename a worksheet

see documentation
delete_sheet

Delete a worksheet

see documentation
move_worksheet

Reorder a worksheet

see documentation

Governance

Understand the effect of every tool.

A server connection inherits the authority of its credentials and deployment environment. The declarations below come from this project’s README and MCP registry manifest; your application still decides which tools an agent receives and where approval is required.

74 see documentation
  • Review the server documentation and deployment credentials before enabling it for an agent.

MCP surface

What the current documentation declares.

MCP can carry tools, resources, prompts, structured results, progress, cancellation, and long-running work. This record highlights the modern protocol features explicitly mentioned by this repository.

The current README concentrates on its tool surface. Check the source and release notes before relying on optional MCP capabilities beyond tool discovery and invocation.
rmcp

Install and connect

Follow the project’s documented starting point.

Install the server in the environment that owns its credentials and domain access. Add it to your MCP host, verify the discovered tools, and narrow the toolset before giving it to a production agent.

Install
cargo install excel-mcp-server
MCP client configuration
{
  "mcpServers": {
    "excel": {
      "command": "excel-mcp-server"
    }
  }
}

Commands and configuration are extracted from the public README. Confirm prerequisites, environment variables, and release-specific options in the official documentation before deployment.

Official documentation

Continue with the project maintainers’ source of truth.

This page provides an approachable map of the server. The repository remains authoritative for exact schemas, prerequisites, configuration, examples, tests, releases, and security updates.

Overview ↗README.mdCHANGELOG ↗CHANGELOG.mdIssues and support ↗github.com issues

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Source record

Release and repository metadata for this catalog entry.

View public repository ↗
Version
0.2.1
License
Apache-2.0
Tools
74
Revision
9ced3e60a83d
Updated
Apr 27, 2026
Transportsstdiostreamable HTTP