MCP Debug Tool

Example Use Cases

• 1

  Connect securely to any MCP server using OAuth 2.1 authentication.

• 2

  Interactively explore MCP server tools, resources, and prompts via a REPL.

• 3

  Run an MCP server instance to integrate with AI assistants.

Description

mcp-debug is a CLI tool designed to help developers inspect MCP server capabilities, debug tool integrations, and test server notifications. It supports OAuth 2.1 authentication with advanced features like automatic discovery, PKCE validation, and dynamic client registration. The tool also offers an interactive REPL, verbose logging, self-update functionality, and can run as an MCP server for AI assistant integration.