Mock Server

Lightweight HTTP mock server — directory structure as URL paths

Mock several REST services in one go!

Simpler way to build mocking http server. Do not code yourself for mocking!

REst Json mOCK servER

Mock Express server generated based on your views, that can come in handy when developing REST APIs with Django

client of Caster_Union

A zero-dependency, sophisticated mock HTTP server for development and testing

A mock MySQL server that generates junk data based on your schema.

Mock Server API

Server for mocking websocket messages

Mock HTTP server and example code generator for the Hitch testing framework

Spin up a fake REST API from a dict or preset — for testing and prototyping

YAML-based API mocking server

A mock http server for unit testing code that uses web services.

JSON API mock server

Easy REST API mocking tool.

A collection of led strip driver_mocks mocks, which are sending the input values to a server for further processing

A mock SSH server emulating Aerohive devices

Scan frontend codebases, discover API calls, generate realistic mock responses, and launch a local mock backend server.

Mock SMTP server that logs the emails it receives

Mock server with Swagger OpenAPI3 JSON

API Mock Server that auto-generates from OpenAPI specs

Spin up a fake REST API from JSON/CSV with zero code.

Official Python SDK for Mockarty — multi-protocol mock server for HTTP, gRPC, MCP, GraphQL, SOAP, SSE, Kafka, RabbitMQ, SMTP

A lightweight S3-compatible object storage server for local development and learning.

Mock HTTP server

RESTful Mock api server

Python 3.6+ implementation deploying quick mocks of HTTP server.

Modern Instant Mock CRUD Engine with FastAPI, Rich CLI, and Chaos Testing

Mock HTTP server that asks you for a JSON response everytime you visit a path for the first time.

quick mock server

statsd mock server based on gevent

Create dynamic mock server with wsdl file.

The dummy HTTP server always return 200 OK

Smart TMForum Open API mock server with domain-aware seed data, cross-API referential integrity, and lifecycle state machine enforcement

Yamas - Yet Another Mock API Server

Sets up React with Storybook for component-driven development, including a FastAPI server to mock API responses from user-generated JSON files. Automates Storybook configuration, story generation, and optional mock server startup.

One more silly server for mocking HTTP services

A local HTTP mock API server driven by YAML specs

Http API mock server based on tornado, configurable by REST API.

OpenAPI scoring, sandbox, and CLI tool scoring for AI-ready agents — cli-jentic

Hospital mock MCP server

NFYY038 童肾营养师·风险预警 Agent Mock MCP Server（儿童 CKD 营养管理智能体复赛演示版）

A test MCP server for ads campaign management

Mock Gmail REST API server + seeded synthetic email fixture generator

Client for the pretenders mock server

OpenAPI AI Readiness Scorecard & Sandbox — score and simulate your APIs for agentic use

Local mock server for social media platform APIs - auth, publishing, the lot