React DevTools UI for @mock-tools/api: launcher, Mocks, Settings.

Testing utilities for TypeScript AI agents, including mock LLMs, mock tools, state builders, fixtures, and workflow assertions.

An embedded network request interception and mock panel prototype with Service Worker support.

Standalone mock data factory: models, properties, templates, pagination.

Seamless REST/GraphQL API mocking library for browser and Node.js.

In-process mock API: resources + HTTP routes, middleware, health, SSE/WS.

Relient CLI is a cli wrapper of react-starter-kit. It also provides configuration and API mock tools.

A dynamic mock tools to response http request

**Note:** More details on user side API can be found in [Jest documentation](https://jestjs.io/docs/mock-function-api).

Mock HTTP server for testing HTTP clients and stubbing webservices

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Mock infrastructure for AI application testing — point your SDK at one local port and every provider, protocol, and service answers deterministically.

Easy and powerful mocking of AWS SDK v3 Clients

Mock a canvas in your jest tests.

Axios adapter that allows to easily mock requests

Type safe mocking extensions for jest

fetch mock for jest

A Mock API for AWS Kinesis

Type safe mocking extensions for vitest, forked from jest-mock-extended

This library emulates ioredis by performing all operations in-memory.