# Calculator MCP Server

> Calculator MCP Server — leesdream-mcpserversample. Use this tool when you need to perform basic arithmetic operations, such as addition, subtraction, multiplication, and division, to solve mathematical problems. It takes numerical inputs and returns calculated results, providing a simple and efficient way to automate calculations. Ideal for use cases requiring quick and accurate mathematical computations, such as data analysis or scientific simulations.

Canonical page: https://skillsregistry.net/skills/leesdream-mcpserversample  
JSON: https://api.skillsregistry.net/v1/skills/leesdream-mcpserversample

## Description

Exposes add, subtract, multiply, and divide as MCP tools, implemented with the FastMCP SDK and a raw stdio version.

## Trust

- **Trust score (0–1):** 0.70
- **Verification tier:** verified
- **Last scanned:** 2026-09-04

## Facts

- **Version:** 1.0.0
- **Skill type:** atomic
- **Execution layer:** mcp-remote
- **Runtime environment:** api
- **Category:** other
- **Updated:** 2026-09-04

## Source

- **Source listing:** [Glama](https://glama.ai/mcp/servers/nqoyu05h87)
- **Repository:** <https://github.com/leesdream/mcpserversample>

## 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": "leesdream-mcpserversample"
    }
  }
}
```

REST: `GET https://api.skillsregistry.net/v1/skills/leesdream-mcpserversample` · pull for local use: `GET https://api.skillsregistry.net/v1/skills/leesdream-mcpserversample/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