open-sheet: The spreadsheet framework built for agents — write the model as React, export a live .xlsx

by lianghsun · MCP Server · ★ 110

Last updated: · Indexed by AgentSkillsHub · Auto-synced every 8h

How to install open-sheet

npx @open-sheet/cli init my-sheets

Taken from the project's README on GitHub.

Security audit verdict: SAFE · quality 59/100

None of the 42 rules matched — no credential harvesting, no data exfiltration, no curl-pipe-shell installer. Scanned against 42 published rules built on the SlowMist agent-security taxonomy, refreshed every 8 hours.

The quality score combines nine heuristic checks of the repo and its README: completeness, clarity, specificity, examples, structure, agent readiness, step-by-step content, instruction quality and security notes. It rates how well the project explains itself to an agent, not the code.

ai-agentsclaude-codecode-generationdeveloper-toolsexcelfinancial-modelingmcpopen-sourcereactspreadsheet

Quick Facts

Stars110
Forks10
LanguageTypeScript
CategoryMCP Server
LicenseMIT
Quality Score59/100
Open Issues1
Last Updated2026-08-26
Created2026-08-18
Platformsclaude-code, mcp, node
Est. Tokens~13k

About open-sheet

open-sheet English · 繁體中文 open-sheet.dev — what it is, and what the file you hand over can do. The spreadsheet framework built for agents. Describe the model you need in natural language — your coding agent writes the React. open-sheet handles the cell addressing, the formula references, the recalculation, and the export.

Compatible Skills

These tools work well together with open-sheet for enhanced workflows:

  • main — semantic(0.17)+complementary+shared_fw(react)+same_lang+similar_pop+shared_platform (64%)
  • react-trace — semantic(0.16)+complementary+shared_fw(react)+same_lang+similar_pop+shared_platform (64%)

open-sheet alternative? Top 6 similar tools

Looking for a open-sheet alternative? If you're comparing open-sheet with other mcp server tools, these 6 projects are the closest alternatives on Agent Skills Hub — ranked by topic overlap, star count, and community traction.

  • orchestkit by yonatangross · ⭐ 300

    The Complete AI Development Toolkit for Claude Code. 115 skills, 36 agents, 161 hooks. Install `ork` for stabl

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    Daymon puts your favorite AI to work 24/7. It schedules, remembers, and orchestrates your own virtual team. Fr

  • mcp-fusion by vinkius-labs · ⭐ 204

    MCP Fusion - The framework for AI-native MCP servers.

  • claude-code-open by kill136 · ⭐ 158

    Open source AI coding platform with Web IDE, multi-agent system, 37+ tools, MCP protocol. MIT licensed.

  • jdatamunch-mcp by jgravelle · ⭐ 83

    Token-efficient MCP server for tabular data retrieval. Index CSV/Excel files, query rows, aggregate — 99%+ tok

  • claude-emporium by Vvkmnn · ⭐ 82

    🏛 [UNDER CONSTRUCTION] A (roman) claude plugin marketplace

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How this security grade is produced

Grades come from a rule-based scan built on the SlowMist agent-security taxonomy: 42 published rules, covering credential harvesting, data exfiltration, curl | sh installers and more. It is a first-layer scan, not a manual audit — we say so rather than overstate it.

The scale of the problem is documented independently: Liu et al. (2026), in a study of 31,132 agent skills, report that 26.1% contain security vulnerabilities. Our own full-catalog census is published as a citable open dataset.

Sources & who's responsible:

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