# MCP Calculator Server

> Use this tool when you need to perform mathematical operations, such as basic arithmetic or advanced calculations like square root and factorial. It solves problems requiring precise numerical computations, providing outputs through an SSE-based MCP interface. Ideal for use cases involving complex calculations, it accepts numerical inputs and returns calculated results.

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

## Description

Provides basic and advanced mathematical operations including addition, subtraction, multiplication, division, power, square root, and factorial calculations through an SSE-based MCP interface.

## Trust

- **Trust score (0–1):** 0.70
- **Verification tier:** verified
- **Last scanned:** 2026-09-02

## Facts

- **Version:** 1.0.0
- **Skill type:** atomic
- **Execution layer:** mcp-remote
- **Runtime environment:** api
- **Category:** other
- **Updated:** 2026-09-02

## Source

- **Source listing:** [Glama](https://glama.ai/mcp/servers/fyol32qsa8)
- **Repository:** <https://github.com/BACH-AI-Tools/mcp-calculator>

## 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-mcp-calculator"
    }
  }
}
```

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

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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