MCP Explorer – Debug & Test Model Context Protocol Servers
A cross-platform desktop app for exploring, testing, and debugging Model Context Protocol servers. Built for developers who need to understand their MCP integrations.
Available for macOS, Windows & Linux
Everything you need to debug MCP
A comprehensive toolkit for developers working with Model Context Protocol servers.
Auto-detect Servers
Automatically discovers MCP servers from your Claude Desktop configuration. No manual setup required.
Tool Testing
Execute any tool with a generated form based on JSON Schema. See responses in real-time.
Request History
Every call is logged with timestamps. Replay requests, compare responses, and track changes.
Collections
Save tool calls into collections. Export and share with your team for consistent testing.
Traffic Monitor
See raw JSON-RPC traffic between client and server. Debug protocol issues instantly.
Batch Execution
Run multiple tool calls in parallel. Perfect for load testing and bulk operations.
How it works
Get started in seconds. MCP Explorer reads your existing configuration.
Download & Install
Download the app for your platform and run the installer.
Automatic Discovery
MCP Explorer automatically finds servers from your Claude Desktop config.
Start Testing
Connect to any server and start exploring tools, resources, and prompts.
Keyboard-first Design
Navigate like a pro with comprehensive keyboard shortcuts.
- Command Palette
- Cmd K
- Settings
- Cmd ,
- Execute Tool
- Cmd Enter
- Toggle Traffic
- Cmd T
Ready to explore?
Download MCP Explorer and start debugging your MCP servers today. Free and open source.
Requires macOS 12.0+, Windows 10+, or Linux.
What's New
Recent updates and improvements to MCP Explorer.
v0.1.12 Cleanup UX
v0.1.11 responsive layout for main window
v0.1.10 copy server connections to clipboard to share
v0.1.9 fixing connection issues
v0.1.8 Download button for response export