Sezzlee Excel MCP Server

by sezzleeio.github.sezzlee/excelv0.9.0

Read-only MCP server that lets AI agents read local Excel workbooks (.xlsx, .xlsm, .csv): cells, formulas, tables and defined names, sandboxed to one folder.

1Node.jsstdioofficial registry

context tax

pending

security

97/100

cold start

pending

freshness

Activetoday

Our reading of Sezzlee Excel, from the data

Sezzlee Excel is a data & analytics MCP server from sezzlee, listed in the official MCP Registry.

We haven't measured its tool list yet, so its token cost is unknown.

Maintenance is active: the last public signal was in the last day (2026-10-18). For comparison, 67% of data & analytics servers are active or maintained.

With 1 GitHub stars it ranks #396 of 1,391 data & analytics servers we index.

It runs locally on your machine over stdio.

Install Sezzlee Excel MCP server

claude mcp add excel-sezzlee -- npx -y @sezzlee/excel-mcp '<root>'

{
  "mcpServers": {
    "excel-sezzlee": {
      "command": "npx",
      "args": [
        "-y",
        "@sezzlee/excel-mcp",
        "<root>"
      ]
    }
  }
}

Add to ~/.cursor/mcp.json (global) or .cursor/mcp.json (project).

{
  "mcpServers": {
    "excel-sezzlee": {
      "command": "npx",
      "args": [
        "-y",
        "@sezzlee/excel-mcp",
        "<root>"
      ]
    }
  }
}

Settings → Developer → Edit Config (claude_desktop_config.json), then restart.

{
  "servers": {
    "excel-sezzlee": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "@sezzlee/excel-mcp",
        "<root>"
      ]
    }
  }
}

Add to .vscode/mcp.json in your workspace.

{
  "mcpServers": {
    "excel-sezzlee": {
      "command": "npx",
      "args": [
        "-y",
        "@sezzlee/excel-mcp",
        "<root>"
      ]
    }
  }
}

Add to ~/.codeium/windsurf/mcp_config.json.

Security signals

97/100 — no known issues found as of 2026-10-19, from the checks below. This is not a guarantee of safety; review what a server can do before connecting it.

Deductions

No security policy (SECURITY.md)-3

Checks

✓Repository hygiene (archived, activity, license, security policy)
○Package metadata (install scripts, provenance) — pending
○Tool descriptions (prompt-injection and hidden-text heuristics) — pending
○Source scan (secrets, CVEs, risky code) by vectra-guard — pending

Scan it yourself before installing with vectra-guard, the open-source agent security CLI. Scoring rules

Freshness

Active — last maintenance signal today. The newest of the signals below sets the band.

Last commit (default branch)
2026-10-18 · today · GitHub
Latest release
no data · GitHub
Package published
no data · npm/PyPI
Registry entry updated
2026-10-18 · today · official registry · v0.9.0

How it compares in Data & Analytics

Against the most-starred data & analytics servers we index. Token cost is per model turn, measured from each server's live tool list.

Server	Stars	Tools	Tokens / turn	Freshness	Runs
Sezzlee Excel (this)	1	—	not measured	Active	local
Netdata	81,005	—	not measured	Active	hosted
Metabase	49,728	—	not measured	Active	hosted
PostHog	40,338	—	not measured	Active	local + hosted
Agent-Native Analytics	7,433	—	not measured	Active	hosted
Finance Toolkit	5,439	—	not measured	Active	local + hosted

All data & analytics MCP servers

FAQ

›How do I install the Sezzlee Excel MCP server in Claude Code?

Run: claude mcp add excel-sezzlee -- npx -y @sezzlee/excel-mcp '<root>'. For Cursor, VS Code, Claude Desktop and Windsurf, use the install tabs above.

›Does Sezzlee Excel require an API key?

No required environment variables are declared in its published metadata.

›Can I use Sezzlee Excel as a remote (hosted) MCP server?

No hosted endpoint is published; it runs locally over stdio.

›Is Sezzlee Excel in the official MCP registry?

Yes, as io.github.sezzlee/excel.

Sources and method

Official MCP Registry entry: updated 2026-10-18
GitHub repository: fetched 2026-10-19
Package registry (npm / PyPI): listed
Security signals, computed by us: 2026-10-19
Last checked against all sources: 2026-10-19

The description, packages and links come from the maintainer's own published metadata. Token cost, security signals, freshness and the reading above are MCPSkillHub's own measurements; see the methodology. Spot an error? Request a correction or claim the listing.