# Model Context Protocol Demo

> Use this tool when you need to integrate large language models (LLMs) with external tools and services, such as calculators or financial data providers, to interpret natural language requests and generate accurate responses. It solves problems of limited LLM capabilities by enabling them to make targeted tool calls via the Model Context Protocol (MCP) standard. The tool takes natural language input and outputs relevant data or calculations, making it ideal for use cases requiring dynamic information retrieval and processing.

Canonical page: https://skillsregistry.net/skills/digital-duck-mcp-demo  
JSON: https://api.skillsregistry.net/v1/skills/digital-duck-mcp-demo

## Description

A demonstration server for the Model Context Protocol (MCP) that exposes calculator and Yahoo Finance tools, allowing LLMs to interpret natural language requests and make tool calls via the MCP standard.

## Trust

- **Trust score (0–1):** 0.00
- **Verification tier:** scanned
- **Last scanned:** 2026-09-19

## Facts

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

## Source

- **Source listing:** [Glama](https://glama.ai/mcp/servers/avodrrilhp)
- **Repository:** <https://github.com/digital-duck/mcp_demo>

## 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": "digital-duck-mcp-demo"
    }
  }
}
```

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