inspector

by modelcontextprotocol · TypeScript · ★ 10,209

Visual testing tool for MCP servers

Install

npx -y github:modelcontextprotocol/inspector

Auto-generated from the repo's primary language — check the repo's own README for its exact install instructions.

Claude Desktop config

A starting point for your claude_desktop_config.json (auto-generated — the repo's README may specify a published package name or required env vars):

{
  "mcpServers": {
    "inspector": {
      "command": "npx",
      "args": [
        "-y",
        "github:modelcontextprotocol/inspector"
      ]
    }
  }
}

From the README

The MCP inspector is a developer tool for testing and debugging MCP servers. The MCP Inspector consists of two main components that work together: - **MCP Inspector Client (MCPI)**: A React-based web UI that provides an interactive interface for testing and debugging MCP servers - **MCP Proxy (MCPP)**: A Node.js server that acts as a protocol bridge, connecting the web UI to MCP servers via various transport methods (stdio, SSE, streamable-http) Note that the proxy is not a network proxy for intercepting traffic. Instead, it functions as both an MCP client (connecting to your MCP server) an…

Read full README on GitHub →