Scalar Mock Server Skill

Reference for implementing and debugging mock APIs with @scalar/mock-server. Use this when you need realistic API responses from an OpenAPI description document, custom request behavior, seeded data, or Docker-based mock environments.

Overview

• Package: @scalar/mock-server
• Runtime: Node.js (package engine: >=22)
• Main API: createMockServer(options)
• Docs:
  • Getting started: https://scalar.com/tools/mock-server/getting-started
  • Custom request handlers (x-handler): https://scalar.com/tools/mock-server/custom-request-handler
  • Data seeding (x-seed): https://scalar.com/tools/mock-server/data-seeding
  • Docker: https://scalar.com/tools/mock-server/docker

Quick Start

Fastest way to run a mock server from a local OpenAPI description: