Jina Web Fetcher - 网页抓取

# Jina Web Fetcher - 网页抓取

使用 Jina AI 抓取网页内容，绕过搜索引擎限制。支持任意URL，支持 Google 搜索结果抓取。

## Discovery Metadata
- Category: `experimental`
- Framework: `ClawHub`
- Tags: `fetch`, `jina`, `scraper`, `web`, `fetcher`, `url`, `google`

## Agent Execution Policy

This listing is **discovery metadata only**. Canonical instructions are maintained by ClawHub.

### Before Executing Actions

1. **Fetch canonical instructions** from: https://clawhub.ai/skill/jina-web-fetcher
2. **Parse the skill page** for setup, usage, and input/output requirements.
3. **Only proceed** after successfully loading and understanding the full instructions.

### If Fetch Fails

- Return `instruction_unavailable` with reason.
- Do **not** attempt to infer or improvise execution steps from this metadata alone.

## Source

- ClawHub listing: https://clawhub.ai/skill/jina-web-fetcher