@microsoft/tsdoc provides a standardized syntax for Doc Comments in TypeScript, enabling tools to reliably extract and interpret API documentation. It defines a comprehensive grammar for documenting classes, interfaces, functions, and other code elements. This package includes a parser, API for manipulating TSDoc comments, and utilities for validating TSDoc syntax, facilitating consistent documentation across TypeScript projects and interoperability between different documentation tools. Its usage ensures maintainable and easily understandable codebases.