# McD-saver

> McD-saver — yuxinlaile-mcd-saver. Use this tool when you need to optimize your McDonald's orders for cost savings and nutritional balance. The McD-saver tool provides a four-step check for discounts, one-click coupon redemption, and voucher combination optimization under budget and calorie constraints. It also offers silent cost inspection and cross-channel price comparison, all available for online trial without login.

Canonical page: https://skillsregistry.net/skills/yuxinlaile-mcd-saver  
JSON: https://api.skillsregistry.net/v1/skills/yuxinlaile-mcd-saver

## Description

🍟 麦麦省钱助手 —— 基于麦当劳中国官方 MCP 的省钱点餐 Agent Skill：官方 calculate-price 实时核价 + 券组合优化（预算/热量约束）+ 沉默成本体检 + 官方券/团购券/积分四渠道同口径算终局。社区开源，免登录在线试算 👇

## 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:** 2026-10-22

## Source

- **Source listing:** [GitHub](https://github.com/yuxinlaile/McD-saver)

## 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": "yuxinlaile-mcd-saver"
    }
  }
}
```

REST: `GET https://api.skillsregistry.net/v1/skills/yuxinlaile-mcd-saver` · pull for local use: `GET https://api.skillsregistry.net/v1/skills/yuxinlaile-mcd-saver/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