What is spreadsheet-mcp?
spreadsheet-mcp is a MCP server by PSU3D0 that token-efficient spreadsheet analysis and editing (xlsx/xlsm) with region detection, structured reads, formula and style inspection, forking and recalculation. It is listed under Developer tools and has 62 GitHub stars.
| Type | Mcp server |
|---|---|
| Author | PSU3D0 |
| Repository | PSU3D0/spreadsheet-mcp |
| Popularity | 62 GitHub stars |
| Category | Developer tools |
| Security | Low risk (80/100) |
| Rank | #781 of 4,418 MCP servers; #192 in Developer tools |
| License | Apache-2.0 |
| Last commit | 2026-09-09 |
| Stars this week | +2 |
| Runs | Locally |
| Language | Rust |
| Platforms | Windows |
Is spreadsheet-mcp safe to install?
spreadsheet-mcp scores 80/100 on the MCPMods security check: Low risk. Things to review: can take actions such as send, write or deploy. It passed 3 of 6 checks.
MCP server results come from listing signals: who publishes it, where your data goes and what it can do. The code itself is not scanned yet.
| Check | Result |
|---|---|
| Community-built server | Note |
| Runs on your machine only | Pass |
| Needs an API key or account login | Note |
| Can take actions such as send, write or deploy | Review |
| No code execution | Pass |
| Source on GitHub | Pass |
How do I install spreadsheet-mcp?
- Find the launch command. The README says how the server starts (npx, uvx, docker or a remote URL) and which API keys it needs.
https://github.com/PSU3D0/spreadsheet-mcp
- Add it to Claude Code. Replace the part after -- with the command from the README. Remote servers use --transport http with a URL.
claude mcp add spreadsheet-mcp -- <command from README> claude mcp add --transport http spreadsheet-mcp <server-url>
- Check it connected. This lists your MCP servers and their status.
claude mcp list
Or ask Claude to set it up
Paste this into Claude Code and it installs spreadsheet-mcp for you:
Add the "spreadsheet-mcp" MCP server from https://github.com/PSU3D0/spreadsheet-mcp to Claude Code. Read its README for the launch command and any API keys I need, run claude mcp add, then check that it connects.