# Conceptual documentation

Welcome to the conceptual documentation for the Model Context Protocol SDK. Here you'll find high-level overviews, explanations, and guides to help you understand how the SDK implements the Model Context Protocol.

## Contents

| Title | Description |
| - | - |
| [Progress tracking](progress/progress.md) | Learn how to track progress for long-running operations through notification messages. |
| [Elicitation](elicitation/elicitation.md) | Learn how to request additional information from users during interactions. |
| [Logging](logging/logging.md) | Learn how to implement logging in MCP servers and how clients can consume log messages. |
| [HTTP Context](httpcontext/httpcontext.md) | Learn how to access the underlying `HttpContext` for a request. |
| [MCP Server Handler Filters](filters.md) | Learn how to add filters to the handler pipeline. Filters let you wrap the original handler with additional functionality. |