# mcp-rb

> mcp-rb — funwarioisii-mcp-rb. Use this tool when you need to build a lightweight MCP server with a simple and intuitive API, ideal for developers who want to create custom MCP servers with a minimal footprint. It solves problems related to building and managing MCP servers, providing a Sinatra-like DSL for easy development. The mcp-rb framework takes Ruby code as input and outputs a fully functional MCP server, suitable for use cases where a lightweight and flexible server is required.

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

## Description

A lightweight Ruby framework for building MCP servers with a Sinatra-like DSL

## Trust

- **Trust score (0–1):** 0.50
- **Verification tier:** unverified

## Facts

- **Version:** 1.0.0
- **Skill type:** atomic
- **Execution layer:** container
- **Runtime environment:** vm
- **Updated:** 2026-09-20

## Source

- **Source listing:** [GitHub](https://github.com/funwarioisii/mcp-rb)

## 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": "funwarioisii-mcp-rb"
    }
  }
}
```

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