# calculator

> calculator — tharunramavath-learn-mcp-by-building. Use this tool when you need to perform mathematical calculations or demonstrate core MCP primitives. It solves problems related to numerical computations and serves as a foundation for more complex applications, such as a live weather server. The calculator takes mathematical expressions as input and returns the calculated results as output.

Canonical page: https://skillsregistry.net/skills/tharunramavath-learn-mcp-by-building  
JSON: https://api.skillsregistry.net/v1/skills/tharunramavath-learn-mcp-by-building

## Description

A calculator MCP server built as part of a step-by-step tutorial that demonstrates core MCP primitives—tools, resources, and prompts—and can be upgraded to a live weather server.

## Trust

- **Trust score (0–1):** 0.69
- **Verification tier:** scanned
- **Last scanned:** 2026-08-29

## Facts

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

## Source

- **Source listing:** [Glama](https://glama.ai/mcp/servers/bskm0tpywe)
- **Repository:** <https://github.com/tharunramavath/learn-mcp-by-building>

## 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": "tharunramavath-learn-mcp-by-building"
    }
  }
}
```

REST: `GET https://api.skillsregistry.net/v1/skills/tharunramavath-learn-mcp-by-building` · pull for local use: `GET https://api.skillsregistry.net/v1/skills/tharunramavath-learn-mcp-by-building/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