io.github.sheetxl/sheetxl
sheetxl-mcp
Is the io.github.sheetxl/sheetxl MCP server down? No. It answered initialize and tools/list in the probe of 2026-11-14.
Excel-grade spreadsheet built for agents: read, query, build and check .xlsx, .sxl and .csv files.
alive probed 2026-11-14
- Run it
- npx -y @sheetxl/mcp@1.0.4 (stdio, probed in a container with the network off)
- Host
- npmjs.com
- Reports itself as
- sheetxl-mcp 1.0.4
- Capabilities
- prompts, resources, tasks, tools
- Instructions
- 5 139 characters
- Of a 1M window
- 0.7 % of a 1M context window
- Count
- 7.0k tokens in Claude Opus 5.5, exact, measured 2026-11-13. With the Claude Code prefix mcp__…__ on each tool name: 7.2k. The o200k_base estimate is 4.4k. Counted again when the tool definitions change. Method.
- Repository
- https://github.com/sheetxl/sheetxl
- Registry
- active, updated 2026-11-14 · registry entry
Most expensive tools
The Claude column scales the o200k estimate of each tool by this server's ratio of exact to estimate, 1.59×.
| Tool | ≈ Claude tokens | o200k estimate | Share of this server |
|---|---|---|---|
| prompt | 1 281 | 807 | 18 % |
| grep | 1 128 | 711 | 16 % |
| run | 1 040 | 655 | 15 % |
| highlight | 746 | 470 | 11 % |
| screenshot | 517 | 326 | 7 % |
Compare this server with others.
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- Augenix ai.augenix/build · alive
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- B4 Index ai.benroberts/b4-index · alive
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Badge for the README
The result of the latest probe, the tool count and the token cost. The feed has an entry for every probe that changed them.
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
- The server answers initialize and tools/list. Nothing to fix.