# io.github.guanqun-yang/mcp-server-r-counter

> Use this tool when you need to count the number of 'r's in a given query string, providing a simple yet effective solution for text analysis tasks. It takes a query string as input and outputs the total count of 'r' characters, making it useful for data processing and validation use cases. Ideal for applications requiring character frequency analysis, such as data cleaning or text statistics.

Canonical page: https://skillsregistry.net/skills/io-github-guanqun-yang-mcp-server-r-counter  
JSON: https://api.skillsregistry.net/v1/skills/io-github-guanqun-yang-mcp-server-r-counter

## Description

A MCP Server Counting Number of r's for a Given Query

## Trust

- **Trust score (0–1):** 0.98
- **Verification tier:** verified
- **Last scanned:** 2026-09-19

## Facts

- **Version:** 0.0.3
- **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.guanqun-yang%2Fmcp-server-r-counter)
- **Repository:** <https://github.com/guanqun-yang/mcp-server-r-counter>

## 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-guanqun-yang-mcp-server-r-counter"
    }
  }
}
```

REST: `GET https://api.skillsregistry.net/v1/skills/io-github-guanqun-yang-mcp-server-r-counter` · pull for local use: `GET https://api.skillsregistry.net/v1/skills/io-github-guanqun-yang-mcp-server-r-counter/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