Mcp Math Calculator
@Cosmiumx
About Mcp Math Calculator
精确数学计算的 MCP 服务器 - 为 AI 提供 100% 准确的数学计算能力
Basic information
Config
Add this server to your MCP-compatible client using the configuration below.
{
"mcpServers": {
"math-calculator": {
"command": "npx",
"args": [
"-y",
"mcp-math-calculator"
]
}
}
}Tools
1⚠️ 精确数学计算工具 - 请在任何涉及数字运算时使用 AI语言模型在数学计算上存在已知缺陷： - 大数计算错误率高 - 浮点数精度问题（0.1+0.2≠0.3） - 复杂表达式容易出错 - 即使简单运算也可能失误 为确保用户获得100%准确的结果，请在以下情况使用此工具： ✓ 任何数学表达式（包括简单的 1+1） ✓ 金融、科学、工程计算 ✓ 用户明确要求计算 ✓ 不确定自己能否算对时 支持的运算： - 基础运算: +, -, *, /, ^, % - 括号: ( ) - 函数: sqrt, pow, abs, sin, cos, tan, log, exp 等 - 常数: pi, e 输入格式：标准数学表达式 示例: "2+2", "(10+20)*3", "sqrt(16)", "sin(pi/2)", "0.1 + 0.2"
Overview
What is Mcp Math Calculator?
Mcp Math Calculator is a Model Context Protocol server that provides AI clients with 100% accurate mathematical computation capabilities. It solves floating‑point precision issues (e.g., 0.1 + 0.2 = 0.3 exactly), supports large numbers, complex expressions, and over 300 scientific functions, all inside a sandboxed, secure environment.
How to use Mcp Math Calculator?
Install via npx (npx -y mcp-math-calculator) or globally (npm install -g mcp-math-calculator), then add its configuration to your MCP client’s JSON (e.g., claude_desktop_config.json). After restarting the client, the AI automatically invokes the calculate tool on math queries.
Key features of Mcp Math Calculator
- Accurate arithmetic with no floating‑point errors.
- Supports numbers beyond JavaScript’s safe integer range.
- Handles parentheses and operator precedence in expressions.
- Offers 300+ mathematical functions (trig, log, sqrt, etc.).
- Sandboxed evaluation with no code‑injection risk.
- Automatic 5‑second timeout to prevent runaway calculations.
Use cases of Mcp Math Calculator
- Performing exact financial or scientific calculations where floating‑point errors are unacceptable.
- Computing large number multiplication, exponentiation, or factorials beyond standard limits.
- Evaluating compound expressions with multiple operations and functions.
- Enabling AI assistants to solve math problems reliably without approximation.
- Safely accepting user‑provided expressions in untrusted environments.
FAQ from Mcp Math Calculator
What does Mcp Math Calculator do?
It provides a single calculate tool that evaluates mathematical expressions with high precision, returning exact results for queries like 0.1 + 0.2 or 123456789 * 987654321.
How does Mcp Math Calculator handle floating‑point precision?
It uses the mathjs safe parser instead of eval(), which avoids JavaScript’s native floating‑point rounding errors and ensures results like 0.1 + 0.2 equal exactly 0.3.
What are the runtime requirements for Mcp Math Calculator?
The server runs on Node.js and is distributed as an npm package. It is invoked via npx or installed globally, requiring a standard Node.js environment.
Is Mcp Math Calculator secure?
Yes. It does not use eval(), runs expressions in a sandboxed environment, whitelists only safe mathematical functions, validates inputs, and enforces a 5‑second timeout plus a result size limit.
What expression functions are supported?
Supported operations include basic arithmetic (+, -, *, /, ^, %), parentheses, functions like sqrt, pow, abs, round, trigonometric functions, logarithmic functions, and constants (pi, e, tau, phi).
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