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LogiSheets

An Excel-compatible spreadsheet engine for agents: deterministic formulas, block memory, real.xlsx.

Connector by logisky · GitHub account verified by the MCP Registry

IndexedMITLocal (stdio)★ 41
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Install

Works with Claude Code, Codex, VS Code, Cursor, Windsurf, Claude Desktop. Read the repository before you give any tool access to your data.

npx agentmarket install connector/logisky-logisheets-mcp

Asks which of your tools to add it to (Claude Code, Codex, Cursor, VS Code, Windsurf, Gemini CLI, Claude Desktop) and shows the change first. See https://agentmart.dev/cli.

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About

An Excel-compatible spreadsheet engine for agents: deterministic formulas, block memory, real .xlsx.

Use cases: spreadsheets

Reviews

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No reviews yet. Installed it? Reviews come from verified installers only. How reviews work

Permissions

What this server can do and what it asks for, from its tool list, install config and code. Checked Oct 25, 2026.

Tools
1 read · 2 write · 0 delete
Secrets
None asked for
Install scripts
None found
Runs as
Node.js package

Tools by what they do 3

Read from the source code; the running server may list different tools.

Read 1 · Look things up without changing anything.

  • export_xlsx

Write 2 · Create, change, send or run things.

  • open_workbook
  • save_workbook

Secrets and settings it asks for

Other settings (environment variables or headers).

  • LOGISHEETS_MCP_TOOLS

Network hosts it talks to 3

  • docs.logisheets.com · found in code
  • github.com · found in code
  • glama.ai · found in code

Files it touches

  • /tmp/bench-work
  • Any path the agent passes to its tools

Tools (3)

Read from the source code; the running server may differ. Descriptions are the server’s own words; hidden characters are shown as [U+…].

  • export_xlsx

    Return the workbook as base64-encoded .xlsx bytes. Last resort. The bytes land in your context and cost roughly 1.4 KB of text per KB of file. Prefer `save_workbook`, which writes a real file and hands the host a link to it — the host can give the human the workbook without any of it passing through you.

  • open_workbook

    Start the workbook you will work in. Call with no arguments for a fresh, empty one; pass `path` to load an existing .xlsx from disk and work on the human's real file. This replaces whatever workbook the session currently holds, discarding unsaved changes — so call it once at the start, not between steps. You do NOT have to call it at all: an empty workbook appears automatically the moment any other tool touches the session. Prefer `path` over `xlsx_base64`. `xlsx_base64` exists for hosts with no shared filesystem and costs enormous context for a file of any size.

  • save_workbook

    Write the workbook to a real .xlsx file the human can open in Excel. This is how you hand your work back — do it when the task is done. Defaults to the path it was opened from, or last saved to; pass `path` to write somewhere else. Values, formulas and the block structure are all saved. IMPORTANT — if the human is going to work on this in Excel, pass `resolve_block_refs: true`. Formulas that read blocks are written as BLOCKREF/BLOCKREFS, which only LogiSheets understands: Excel shows the saved numbers but turns those cells into #NAME? the moment it recalculates. Resolving rewrites them as or…

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    Featured in

    Signals

    Stars
    41
    Forks
    21
    Open issues
    0
    Contributors
    2
    Last commit
    Sep 28, 2026 (1 month ago)
    Last release
    Sep 29, 2026 (1 month ago)

    From GitHub (fetched Oct 24, 2026).

    Details

    Registry name
    io.github.logisky/logisheets-mcp
    Version
    0.6.0
    Auth
    No auth
    Packages
    npm logisheets-mcp
    License
    MIT
    Repository
    github.com/logisky/logisheets-mcp
    Website
    docs.logisheets.com/
    First seen
    Oct 24, 2026
    Last checked
    Oct 24, 2026
    Source
    Official MCP Registrygithub-graphql
    Cite this page

    LogiSheets MCP server. Agent Mart. https://agentmart.dev/connectors/logisky-logisheets-mcp (last updated 2026-10-24)