# OpenAPI‑first utilities for NestJS

> Modern, modular OpenAPI utilities for NestJS

 A modern, modular set of utilities for building OpenAPI-driven NestJS apps. 

## Table of Contents

### Validator

- [Overview](/validator.md)
- [Advanced setup](/validator/advanced-setup.md)
- [Options](/validator/options.md)
- [Decorators](/validator/decorators.md)
- [Manual validation](/validator/manual.md)
- [Changelog](/validator/changelog.md)

### Serializer

- [Overview](/serializer.md)
- [Options](/serializer/options.md)
- [Decorators](/serializer/decorators.md)
- [Manual Serialization](/serializer/manual.md)
- [Changelog](/serializer/changelog.md)

### Mock

- [Overview](/mock.md)
- [Options](/mock/options.md)
- [Decorators](/mock/decorators.md)
- [Manual Mock API](/mock/manual.md)
- [Recording & Replay](/mock/recording.md)
- [Changelog](/mock/changelog.md)

### MCP

- [Overview](/mcp.md)
- [Advanced setup](/mcp/advanced-setup.md)
- [Options](/mcp/options.md)
- [Manual Usage](/mcp/manual.md)
- [Changelog](/mcp/changelog.md)

### Other

- [Docs](/README.md)