Multi Search Engine

---
name: "multi-search-engine"
description: "Multi search engine integration with 17 engines (8 CN + 9 Global). Supports advanced search operators, time filters, site search, privacy engines, and WolframAlpha knowledge queries. No API keys required."
layer: base
skill_type: tool
dependencies: []
---
# Multi Search Engine v2.0.1

Integration of 17 search engines for web crawling without API keys.

## Search Engines

### Domestic (8)
- **Baidu**: `https://www.baidu.com/s?wd={keyword}`
- **Bing CN**: `https://cn.bing.com/search?q={keyword}&ensearch=0`
- **Bing INT**: `https://cn.bing.com/search?q={keyword}&ensearch=1`
- **360**: `https://www.so.com/s?q={keyword}`
- **Sogou**: `https://sogou.com/web?query={keyword}`
- **WeChat**: `https://wx.sogou.com/weixin?type=2&query={keyword}`
- **Toutiao**: `https://so.toutiao.com/search?keyword={keyword}`
- **Jisilu**: `https://www.jisilu.cn/explore/?keyword={keyword}`

### International (9)
- **Google**: `https://www.google.com/search?q={keyword}`
- **Google HK**: `https://www.google.com.hk/search?q={keyword}`
- **DuckDuckGo**: `https://duckduckgo.com/html/?q={keyword}`
- **Yahoo**: `https://search.yahoo.com/search?p={keyword}`
- **Startpage**: `https://www.startpage.com/sp/search?query={keyword}`
- **Brave**: `https://search.brave.com/search?q={keyword}`
- **Ecosia**: `https://www.ecosia.org/search?q={keyword}`
- **Qwant**: `https://www.qwant.com/?q={keyword}`
- **WolframAlpha**: `https://www.wolframalpha.com/input?i={keyword}`

## Quick Examples

```javascript
// Basic search
web_fetch({"url": "https://www.google.com/search?q=python+tutorial"})

// Site-specific
web_fetch({"url": "https://www.google.com/search?q=site:github.com+react"})

// File type
web_fetch({"url": "https://www.google.com/search?q=machine+learning+filetype:pdf"})

// Time filter (past week)
web_fetch({"url": "https://www.google.com/search?q=ai+news&tbs=qdr:w"})

// Privacy search
web_fetch({"url": "https://duckduckgo.com/html/?q=privacy+tools"})

// DuckDuckGo Bangs
web_fetch({"url": "https://duckduckgo.com/html/?q=!gh+tensorflow"})

// Knowledge calculation
web_fetch({"url": "https://www.wolframalpha.com/input?i=100+USD+to+CNY"})
```

## Advanced Operators

| Operator | Example                  | Description          |
|----------|--------------------------|----------------------|
| `site:`  | `site:github.com python` | Search within site   |
| `filetype:` | `filetype:pdf report` | Specific file type   |
| `""`     | `"machine learning"`     | Exact match          |
| `-`      | `python -snake`          | Exclude term         |
| `OR`     | `cat OR dog`             | Either term          |

## Time Filters

| Parameter   | Description |
|-------------|-------------|
| `tbs=qdr:h` | Past hour   |
| `tbs=qdr:d` | Past day    |
| `tbs=qdr:w` | Past week   |
| `tbs=qdr:m` | Past month  |
| `tbs=qdr:y` | Past year   |

## Privacy Engines
- **DuckDuckGo**: No tracking
- **Startpage**: Google results + privacy
- **Brave**: Independent index
- **Qwant**: EU GDPR compliant

## Bangs Shortcuts (DuckDuckGo)

| Bang | Destination     |
|------|-----------------|
| `!g` | Google          |
| `!gh`| GitHub          |
| `!so`| Stack Overflow  |
| `!w` | Wikipedia       |
| `!yt`| YouTube         |

## WolframAlpha Queries
- Math: `integrate x^2 dx`
- Conversion: `100 USD to CNY`
- Stocks: `AAPL stock`
- Weather: `weather in Beijing`

## Documentation
- `references/advanced-search.md` - Domestic search guide
- `references/international-search.md` - International search guide
- `CHANGELOG.md` - Version history

## License
MIT

## Complementary / Related Skills
- `academic-research-hub` → scholarly paper search

## Reference
Core multi-engine search integration for NeuroClaw (v2.0.1).  
Used as the primary literature & web search backend across all interface-layer skills.

Created At: 2026-03-24 00:00 HKT
Last Updated At: 2026-03-26 00:18 HKT  
Author: chengwang96