# Calculator MCP

> Use this tool when you need to perform mathematical computations, solve problems involving arithmetic, algebra, or trigonometry, and require precise calculations with various functions such as square root, logarithm, or sine, cosine, and tangent. It takes numerical inputs and returns calculated results through the Model Context Protocol. Ideal for use cases involving data analysis, scientific calculations, or engineering applications.

Canonical page: https://skillsregistry.net/skills/bach-ai-tools-bachai-calculator-mcp  
JSON: https://api.skillsregistry.net/v1/skills/bach-ai-tools-bachai-calculator-mcp

## Description

Provides mathematical computation capabilities including basic arithmetic operations (add, subtract, multiply, divide), advanced functions (square root, factorial, logarithm), and trigonometric functions (sin, cos, tan) through the Model Context Protocol.

## Trust

- **Trust score (0–1):** 0.60
- **Verification tier:** unverified

## Facts

- **Version:** 1.0.0
- **Skill type:** atomic
- **Execution layer:** mcp-remote
- **Runtime environment:** api
- **Category:** other
- **Updated:** 2026-04-29

## Source

- **Source listing:** [Glama](https://glama.ai/mcp/servers/ycmrr5gwjs)
- **Repository:** <https://github.com/BACH-AI-Tools/bachai-calculator-mcp>

## Use it

Resolve this record through the SkillsRegistry MCP server (no auth, read-only):

```
claude mcp add --transport http --scope user skillsregistry https://api.skillsregistry.net/mcp
```

```json
{
  "jsonrpc": "2.0",
  "id": 1,
  "method": "tools/call",
  "params": {
    "name": "get_skill",
    "arguments": {
      "slug": "bach-ai-tools-bachai-calculator-mcp"
    }
  }
}
```

REST: `GET https://api.skillsregistry.net/v1/skills/bach-ai-tools-bachai-calculator-mcp` · pull for local use: `GET https://api.skillsregistry.net/v1/skills/bach-ai-tools-bachai-calculator-mcp/pull`

---
SkillsRegistry indexes agent skills from public registries and GitHub. Skills we have analysed are scanned with Circle-IR and scored on six dimensions; each listing states its scan coverage. More: https://skillsregistry.net/llms.txt