# MCP Server Tools

> Use this tool when you need to perform arithmetic operations, transform text strings, or validate and format JSON data. It provides a calculator, text processor, and JSON formatter to solve data processing and formatting problems. Ideal for use cases requiring quick data transformations, validation, or calculations, with inputs including numbers, text, and JSON data, and outputs in formatted results.

Canonical page: https://skillsregistry.net/skills/viowb-mcp  
JSON: https://api.skillsregistry.net/v1/skills/viowb-mcp

## Description

Provides basic utility tools including calculator for arithmetic operations, text processor for string transformations, and JSON formatter for validating and formatting JSON data.

## Trust

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

## Facts

- **Version:** 1.0.0
- **Skill type:** atomic
- **Execution layer:** mcp-remote
- **Runtime environment:** api
- **Category:** other
- **Updated:** 2026-09-19

## Source

- **Source listing:** [Glama](https://glama.ai/mcp/servers/uxf5zf6gl3)
- **Repository:** <https://github.com/viowb/MCP>

## 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": "viowb-mcp"
    }
  }
}
```

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