Mock Server

Testing made easy with mocked http servers

Launches a Pact Mock Server for Karma

Keycloak server mock for Node.js

Mock server that implements the API Blueprint specification

A lightweight and flexible API mocking tool that focuses on accurate response handling

Powerful util to setup mocks over HTTP APIs

http mocking server with simple config written on nodejs

API mocking library that runs as a real HTTP server

Complete BLE testing stack: WebSocket bridge server, MCP observability layer, and Web Bluetooth API mock. Test real BLE devices in Playwright/E2E tests without browser support.

REST API Server Mocking with Axios

Allow mirage to use MSW (Mock Service Worker) as the interceptor

Mock Vendor backend

Get your REST API up-and-running FAST with Swagger and Express

A TypeScript-based mock server with automatic Swagger-based mock file generation

mock server plugin for egg

Mock Firebase without a connection to a server

Provide a file-based mock API for Vite in dev mode

Local mock server with both VS Code extension and CLI support, featuring JSON configuration, tree view management, and dynamic response templates.

Adds simple signalR hub mocking to msw

Mock Redis server for unit testing.

Scriptable IMAP mock server for testing purposes

Simple yet powerful file-based mock server with recording abilities

Simple express mock server with a flexible API inspired by fetch-mock

Node.js package for an in-memory NATS server

serve canned responses to mock an api, based on files in a folder

a simple grpc mock server

agreed is a mock server and test client, agreed will be helper for Consumer Driven Contract

Reusable testing utilities that are potentially relevant for both backend and frontend

Webpack devserver middleware mock server

An in-memory mock server compatible with Cloudinary SDK methods for uploading and retrieving files.

A flexibile mock server allowing validation based automatic resolving as well as manual resolving through interceptions.

in-memory database/ORM and http mock server you can run in-browser and node environments. Built for large frontend teams, fast tests and rapid prototyping

Build a fake backend by providing the content of files or JavaScript objects through configurable routes.

a simple grpc mock server based on grpc-mock inspired from https://www.npmjs.com/package/grpc-mock

Dynamic mock server which serves fixtures based on property matching

Helper to use msw in SSR environments

Your friendly mock server

mocks macOS x64 binary

mocks Windows x64 binary

To send fake request to a Koa application without starting a http server. So that, you can require a Koa app into your code.

mocks Linux x64 binary

Simulated backend interface service

agreed server

agreed is a mock server and test client, agreed will be helper for Consumer Driven Contract

🚀 Instant type-safe mock APIs from your TypeScript types. Zero config, maximum productivity.

NodeJS Stub server for test and dev purposes

Create a server with openapi-typescript

mocks macOS ARM64 binary

Agreed is a tool for Consumer Driven Contract with JSON mock server

Mock REST APIs from JSON with zero coding within seconds.