MCP Probe is a Terminal User Interface (TUI) designed for debugging and interacting with Model Context Protocol (MCP) servers. It offers a feature-rich alternative to traditional command-line inspectors, providing real-time protocol analysis, capability discovery, and an interactive tool execution environment. With its intuitive interface, users can navigate over 373 tools, perform error detection, and validate JSON responses, all while enjoying a visually enhanced experience with color-coded outputs and scrollable viewers.

This powerful tool supports multiple transport methods, including HTTP/SSE, WebSocket, STDIO, and TCP, catering to various development needs. Its advanced features include session management, persistent history, and automated protocol version detection. Developers can easily install MCP Probe through pre-built binaries, Homebrew, or Cargo, making it accessible for both local and production environments. Overall, MCP Probe streamlines the process of testing and debugging MCP servers, enhancing productivity and efficiency.