# demo-mcp-01

> Use this tool when you need to perform basic arithmetic operations within Claude Desktop, such as calculations and mathematical functions. It solves problems related to quick calculations and data processing, providing a simple calculator interface with input fields for numbers and operators, and outputting the calculated results. Ideal for use cases requiring straightforward mathematical computations, this tool streamlines workflows within the Claude Desktop environment.

Canonical page: https://skillsregistry.net/skills/santanu2908-demo-mcp-01  
JSON: https://api.skillsregistry.net/v1/skills/santanu2908-demo-mcp-01

## Description

A starter MCP server that provides a calculator tool for performing basic arithmetic operations within Claude Desktop. It serves as a demonstration project for building and extending local tools using the Model Context Protocol.

## 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/djfapmggqc)
- **Repository:** <https://github.com/santanu2908/demo-mcp-01>

## 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": "santanu2908-demo-mcp-01"
    }
  }
}
```

REST: `GET https://api.skillsregistry.net/v1/skills/santanu2908-demo-mcp-01` · pull for local use: `GET https://api.skillsregistry.net/v1/skills/santanu2908-demo-mcp-01/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