NestJS OpenAPI Utilities

Example Use Cases

• 1

  Expose OpenAPI operations as MCP tools within a NestJS application.

• 2

  Automatic request and response validation based on OpenAPI specs.

• 3

  High-performance serialization and realistic mock responses driven by OpenAPI specs.

Description

Nest-openapi provides OpenAPI-first utilities for NestJS, including validation, serialization, mocking, and MCP server capabilities. It enables automatic request/response validation, high-performance serialization, realistic mock responses, and exposes OpenAPI operations as MCP tools. The platform supports both Express and Fastify adapters and integrates seamlessly with existing NestJS controllers and routes.