# Page Not Found

The URL `contact` does not exist.

You might be looking for one of these pages:
- [socket](https://a51.gitbook.io/dphelper/core-tools/socket.md)
- [check](https://a51.gitbook.io/dphelper/core-tools/check.md)
- [shortcut](https://a51.gitbook.io/dphelper/advanced/shortcut.md)
- [load](https://a51.gitbook.io/dphelper/core-tools/load.md)
- [format](https://a51.gitbook.io/dphelper/data-and-text/format.md)

## How to find the correct page

1. **Browse the full index**: [/sitemap.md](https://a51.gitbook.io/dphelper/sitemap.md) - Complete documentation index
2. **View the full content**: [/llms-full.txt](https://a51.gitbook.io/dphelper/llms-full.txt) - Full content export

## Tips for requesting documentation

- For markdown responses, append `.md` to URLs (e.g., `/dphelper/core-tools/socket.md`)
- Use `Accept: text/markdown` header for content negotiation