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Scientific calculator MCP server with 43 tools: arithmetic, trig, stats, unit conversion.
Cruncher 是 ChatHome Skills 收录的 MCP 条目，来源为 Official MCP Registry，质量分 67/100。 作为 Model Context Protocol 服务器，它向 Claude、Cursor、Copilot 等兼容 MCP 的 LLM 客户端暴露可直接调用的工具，让 agent 的能力超出模型内置范围。 该条目由 ChatHome Skills 的每日抓取从官方 registry 和 GitHub 发现查询中收录，每次运行都会重新核验仓库事实、新鲜度信号和安装元数据。 质量分综合了官方 registry 收录情况、可用安装命令、许可证完整性、仓库活跃度和 GitHub star 趋势，完整算法说明见来源页。安装命令已列于上方，可直接复制使用。 在将 Cruncher 加入生产 agent 工作流前，请核对上方的最近更新日期和仓库状态——下方事实快照是最近一次抓取的时点值。
npx -y @slbdn/cruncher-mcp@1.2.29运行此命令前，请先核对上游源码。
{
"_meta": {
"io.modelcontextprotocol.registry/official": {
"status": "active",
"isLatest": true,
"updatedAt": "2026-05-08T09:33:02.932233Z",
"publishedAt": "2026-05-08T09:33:02.932233Z",
"statusChangedAt": "2026-05-08T09:33:02.932233Z"
}
},
"server": {
"name": "io.github.islobodan/cruncher-mcp",
"_meta": {
"io.modelcontextprotocol.registry/publisher-provided": {
"tool": "manual",
"tiers": {
"full": 43,
"minimal": 5,
"standard": 34
},
"category": "calculator",
"features": [
"43 tools across 8 categories",
"zero-dependency pure Node.js",
"worker thread isolation with timeout protection",
"strict JSON-Schema validation",
"MCP spec 2025-11-25 compliant",
"tool annotations for safety metadata",
"fuzzy tool name matching",
"LRU result caching"
],
"toolCount": 43
}
},
"title": "Cruncher",
"$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
"version": "1.2.29",
"packages": [
{
"version": "1.2.29",
"transport": {
"type": "stdio"
},
"identifier": "@slbdn/cruncher-mcp",
"registryType": "npm",
"registryBaseUrl": "https://registry.npmjs.org",
"environmentVariables": [
{
"name": "CRUNCHER_TOOL_SET",
"description": "Tool exposure tier: 'minimal' (5 tools), 'standard' (34 tools, default), or 'full' (43 tools)"
},
{
"name": "CRUNCHER_TIMEOUT",
"description": "Worker thread timeout in milliseconds for heavy calculations (default: 3000, range: 100-60000)"
}
]
}
],
"repository": {
"url": "https://github.com/islobodan/cruncher-mcp",
"source": "github"
},
"websiteUrl": "https://github.com/islobodan/cruncher-mcp#readme",
"description": "Scientific calculator MCP server with 43 tools: arithmetic, trig, stats, unit conversion."
}
}