# Calculator

> Use this tool when you need to perform quick arithmetic operations, such as adding, subtracting, multiplying, or dividing numbers, to streamline your workflow and reduce context switching. It takes numerical inputs and produces instant results, making it ideal for everyday calculations. Ideal for use cases where rapid calculations are necessary, such as data analysis or financial tasks.

Canonical page: https://skillsregistry.net/skills/openai-agent-school-mcp-server  
JSON: https://api.skillsregistry.net/v1/skills/openai-agent-school-mcp-server

## Description

Perform quick arithmetic—add, subtract, multiply, and divide. Get instant results for everyday calculations in your workflow. Reduce context switching when handling numbers.

## Trust

- **Trust score (0–1):** 0.75
- **Verification tier:** verified
- **Last scanned:** 2026-09-02

## Facts

- **Version:** 1.0.0
- **Skill type:** atomic
- **Execution layer:** container
- **Runtime environment:** vm
- **Category:** other
- **Updated:** 2026-09-02

## Source

- **Source listing:** [Smithery](https://smithery.ai/server/openai-agent-school/mcp-server)
- **Repository:** <https://github.com/openai-agent-school/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": "openai-agent-school-mcp-server"
    }
  }
}
```

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