Available for macOS, Windows & Linux

The Developer Tool for MCP

A cross-platform desktop app for exploring, testing, and debugging Model Context Protocol servers. Built for developers who need to understand their MCP integrations.

Download
MCP Explorer application interface

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.

  1. Download & Install

    Download the app for your platform and run the installer.

  2. Auto-detect Servers

    MCP Explorer automatically finds servers from your Claude Desktop config.

  3. 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