mockserver-monorepo: MockServer functions as an HTTP(S) mock server and proxy, enabling development and testing against unavailable or misbehaving APIs. It also facilitates recording, inspecting, and modifying network traffic, along with injecting faults for resilience testing.; inspector: MCP Inspector is a developer tool designed for testing and debugging MCP servers, featuring both a React-based web UI client and a Node.js proxy server. It acts as a protocol bridge, enabling interactive interaction with MCP servers through various transport methods.
Develop and test applications even when dependent systems are unavailable, incomplete, or hard to reproduce.
Testing and debugging MCP server implementations during development.