# Calculator MCP Server

> Use this tool when you need to offload mathematical computations for numerical queries, providing accurate arithmetic calculations to AI models. It solves problems of complex numerical processing, allowing Large Language Models (LLMs) to focus on text-based tasks. The Calculator MCP Server takes numerical queries as input and returns precise calculations as output via the Model Context Protocol.

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

## Description

A backend service that provides accurate arithmetic calculation capabilities to AI models via the Model Context Protocol, allowing LLMs to offload mathematical computations for numerical queries.

## Trust

- **Trust score (0–1):** 0.93
- **Verification tier:** verified
- **Last scanned:** 2026-09-28

## Facts

- **Version:** 1.0.0
- **Skill type:** atomic
- **Execution layer:** mcp-remote
- **Runtime environment:** api
- **Category:** ai-ml
- **Updated:** 2026-09-28

## Source

- **Source listing:** [Glama](https://glama.ai/mcp/servers/goa5aqy7vk)
- **Repository:** <https://github.com/functicons/calculator-mcp-server>

## 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": "functicons-calculator-mcp-server"
    }
  }
}
```

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