mcpcost

io.github.mrfentmen/excel-mcp

excel-mcp

Is the io.github.mrfentmen/excel-mcp MCP server down? No. It answered initialize and tools/list in the probe of 2026-11-01.

Create and edit Excel workbooks locally with rows and sheets. No network and no key.

alive probed 2026-11-14 · unchanged since 2026-11-01

2tools
346tokens in Claude
0.2 %of Claude's 200k window
0.1×the median server
592 msto initialize
6 msto list tools
Run it
npx -y @mrfentmen/excel-mcp@1.0.1 (stdio, probed in a container with the network off)
Host
npmjs.com
Reports itself as
excel-mcp 1.0.0
Capabilities
tools
Instructions
none
Of a 1M window
<0.1 % of a 1M context window
Count
346 tokens in Claude, exact, measured 2026-10-25. With the Claude Code prefix mcp__…__ on each tool name: 368. The o200k_base estimate is 188. Counted again when the tool definitions change. Method.
Repository
https://github.com/mrfentmen/excel-mcp
Registry
active, updated 2026-09-21 · registry entry
Changes
2 recorded, reachable in 2 of them. A row is added when the result, the tool count or the cost changes.

Most expensive tools

The Claude column scales the o200k estimate of each tool by this server's ratio of exact to estimate, 1.84×.

Tool≈ Claude tokenso200k estimateShare of this server
create_workbook18410053 %
read_workbook1628847 %

Compare this server with others.

More servers

Other registry entries on npmjs.com, the ones next to this name; all of them.

Servers that mention excel.

History

We add a row when the result changes. A server with no change keeps its last row.

ProbedResultInitToolsClaudeo200k
2026-10-25 06:55alive814 ms2346188
2026-10-18 06:42alive592 ms2188

Badge for the README

mcpcost: alive

The result of the latest probe, the tool count and the token cost. The feed has an entry for every probe that changed them.

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A mail when this server changes

Stops answering, comes back, tool set or cost changes. One confirmation mail first, a stop link in every mail.

For the publisher