PDF Watermark

# PDF Watermark

PDF文字水印工具 / PDF text watermark tool. 智能检测页面方向，自动调整角度和大小，支持中文，居中显示。Auto-detects page orientation, adjusts angle & size, supports Chinese, centered.

## Discovery Metadata
- Category: `communication`
- Framework: `ClawHub`
- Tags: `pdf`, `watermark`, `text`, `tool`, `auto-detects`, `page`, `orientation`, `adjusts`, `angle`, `size`

## 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/pdf-watermark
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/pdf-watermark