MCP Debug
Supports UIby giantswarm
A powerful command-line toolkit for inspecting, testing, and debugging MCP server capabilities and integrations.
What it does\nmcp-debug is a developer utility designed to troubleshoot Model Context Protocol (MCP) servers. It allows you to connect to servers via HTTP, inspect available tools and resources, and test JSON-RPC notifications without needing a full AI client integration.\n\n## Tools\n- Interactive REPL: Manually explore tools, resources, and prompts.\n- Notification Listener: Monitor server-sent events and notifications.\n- OAuth 2.1 Flow: Test secure authorization and PKCE validation for protected MCP servers.\n\n## Installation\nInstall via Go:\n\nbash\ngo install github.com/giantswarm/mcp-debug@latest\n\n\nTo use it as a server for an AI assistant, run it with the --mcp-server flag.\n\n## Supported hosts\nSupports any MCP-compliant client including Claude Desktop and Cursor via the --mcp-server mode.
Quick install
go install github.com/giantswarm/mcp-debug@latestInformation
- Pricing
- free
- Published
- 4/15/2026
- stars






