# Page Not Found

The URL `advanced/custom-providers` does not exist.

You might be looking for one of these pages:
- [Building Custom AI Providers](https://ai.ortusbooks.com/extending-boxlang-ai/custom-providers.md)
- [Working with Models](https://ai.ortusbooks.com/advanced/models.md)
- [Utility Functions](https://ai.ortusbooks.com/advanced/utilities.md)
- [MCP Server - Model Context Protocol Server](https://ai.ortusbooks.com/advanced/mcp-server.md)
- [MCP Client - Model Context Protocol](https://ai.ortusbooks.com/advanced/mcp-client.md)

## How to find the correct page

1. **Browse the full index**: [/sitemap.md](https://ai.ortusbooks.com/sitemap.md) - Complete documentation index
2. **View the full content**: [/llms-full.txt](https://ai.ortusbooks.com/llms-full.txt) - Full content export

## Tips for requesting documentation

- For markdown responses, append `.md` to URLs (e.g., `/extending-boxlang-ai/custom-providers.md`)
- Use `Accept: text/markdown` header for content negotiation