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DimensionExcel MCP ServerAn MCP server for manipulating Excel files without Microsoft ExcelFilesystem MCP ServerSecure local file read/write access
FMRS41 / 100 · D84 / 100 · B
Reliability5 / 2017 / 20
Security and permissions7 / 2016 / 20
Maintenance7 / 2016 / 20
Documentation10 / 2017 / 20
Setup experience12 / 2018 / 20
Best for
  • AI agent workflows that automate Excel file handling
  • Local or remote services that should not depend on Microsoft Excel installation
  • Users who need Excel data and formatting operations through MCP
  • Local assistants that need to work inside explicitly approved directories
  • Individuals and development teams that want path-based data boundaries
Not for
  • Workflows requiring the Microsoft Excel desktop application itself
  • Use cases requiring a verified complete tool inventory when TOOLS.md is not provided
  • Deployments where SSE is intended as the preferred transport
  • Highly sensitive environments that cannot allow model access to local file contents
  • Shared remote file-service use cases
Required permissions
  • In stdio mode, the client supplies the Excel file path for each tool call
  • In SSE and streamable HTTP modes, the server must define the Excel file root through `EXCEL_FILES_PATH`
  • In SSE and streamable HTTP modes, file paths must be relative to that root directory
  • Read access to every local directory listed in the configuration
  • Filesystem write access when write or move tools are enabled
Risks and side effects
  • The server can create, read, and modify workbooks, so incorrect operations may change file contents
  • SSE is marked as deprecated in the project documentation
  • Remote file access is constrained by the `EXCEL_FILES_PATH` root and relative-path rules
  • Sensitive files inside an allowed directory may enter model context
  • Write and move tools change real files; keep scopes narrow and maintain backups
Supported clientsClaude Desktop, Cursor, Cline, Windsurf
Tools06