# io.github.daedalus/mcp-rpn

> Use this tool when you need to perform reverse Polish notation calculations or require a simple mathematical expression evaluator. It solves problems related to quick arithmetic operations, unit conversions, or mathematical explorations, providing an intuitive RPN interface for input and output of mathematical expressions. Ideal for use cases where a straightforward, text-based calculator is necessary.

Canonical page: https://skillsregistry.net/skills/io-github-daedalus-mcp-rpn  
JSON: https://api.skillsregistry.net/v1/skills/io-github-daedalus-mcp-rpn

## Description

MCP server that exposes an RPN calculator

## Trust

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

## Facts

- **Version:** 0.1.0
- **Skill type:** atomic
- **Execution layer:** mcp-remote
- **Runtime environment:** api
- **Category:** other
- **Updated:** 2026-09-19

## Source

- **Source listing:** [MCP Registry](https://registry.modelcontextprotocol.io/v0/servers/io.github.daedalus%2Fmcp-rpn)
- **Repository:** <https://github.com/daedalus/mcp-rpn>

## 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": "io-github-daedalus-mcp-rpn"
    }
  }
}
```

REST: `GET https://api.skillsregistry.net/v1/skills/io-github-daedalus-mcp-rpn` · pull for local use: `GET https://api.skillsregistry.net/v1/skills/io-github-daedalus-mcp-rpn/pull`

---
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