# calc-mcp-server

> calc-mcp-server — slettmayer-calc-mcp-server. Use this tool when you need to perform precise arithmetic calculations without the limitations of float64 precision or the risks of eval-based methods. It solves problems requiring exact numerical results, such as financial or scientific computations, by providing a safe and reliable calculation server. The tool accepts mathematical expressions as input and returns exact results, making it ideal for applications where precision and safety are critical.

Canonical page: https://skillsregistry.net/skills/slettmayer-calc-mcp-server  
JSON: https://api.skillsregistry.net/v1/skills/slettmayer-calc-mcp-server

## Description

An MCP server that performs exact arithmetic calculations, avoiding the pitfalls of float64 and unsafe eval, with resource limits for safe execution.

## Trust

- **Trust score (0–1):** 0.70
- **Verification tier:** verified
- **Last scanned:** 2026-08-29

## Facts

- **Version:** 1.0.0
- **Skill type:** atomic
- **Execution layer:** mcp-remote
- **Runtime environment:** api
- **Category:** other
- **Updated:** 2026-08-29

## Source

- **Source listing:** [Glama](https://glama.ai/mcp/servers/g0c6d0iee1)
- **Repository:** <https://github.com/slettmayer/calc-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": "slettmayer-calc-mcp-server"
    }
  }
}
```

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