# MCP Calculator

> Use this tool when you need to perform calculations using the Model Context Protocol (MCP) server, providing input values and receiving calculated outputs to solve mathematical problems. It offers a calculator interface to process and generate results, making it suitable for various mathematical use cases. Ideal for applications requiring MCP-based calculations, this tool streamlines problem-solving with efficient input-output processing.

Canonical page: https://skillsregistry.net/skills/arulrajnet-mcp-calculator  
JSON: https://api.skillsregistry.net/v1/skills/arulrajnet-mcp-calculator

## Description

A Model Context Protocol (MCP) server example with calculator tools, built using FastMCP.

## Trust

- **Trust score (0–1):** 1.00
- **Verification tier:** verified
- **Last scanned:** 2026-09-19

## Facts

- **Version:** 1.0.0
- **Skill type:** atomic
- **Execution layer:** mcp-remote
- **Runtime environment:** api
- **Category:** other
- **Updated:** 2026-09-19

## Source

- **Source listing:** [Glama](https://glama.ai/mcp/servers/a5sfh4y3k4)
- **Repository:** <https://github.com/arulrajnet/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": "arulrajnet-mcp-calculator"
    }
  }
}
```

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