fastmcp
by PrefectHQ · Python
🚀 The fast, Pythonic way to build MCP servers and clients.
MCP Frameworks & SDKsMaintained28.1k
inspector
MCP server by modelcontextprotocol · ★ 11.1k · updated today
MCP Frameworks & SDKsMaintainedOne-click install
Visual testing tool for MCP servers
Install inspector
Choose your AI client and copy the config.
Add to claude_desktop_config.json — macOS: ~/Library/Application Support/Claude/, Windows: %APPDATA%\Claude\. Then restart Claude.
{
"mcpServers": {
"inspector": {
"command": "npx",
"args": [
"@modelcontextprotocol/inspector",
"#",
"web",
"UI",
"(default)"
]
}
}
}Or add to ~/.cursor/mcp.json (global) or .cursor/mcp.json (project).
{
"mcpServers": {
"inspector": {
"command": "npx",
"args": [
"@modelcontextprotocol/inspector",
"#",
"web",
"UI",
"(default)"
]
}
}
}Or add to .vscode/mcp.json in your workspace.
{
"servers": {
"inspector": {
"type": "stdio",
"command": "npx",
"args": [
"@modelcontextprotocol/inspector",
"#",
"web",
"UI",
"(default)"
]
}
}
}Run in your terminal:
claude mcp add inspector -- npx @modelcontextprotocol/inspector # web UI (default)Run the server directly:
npx @modelcontextprotocol/inspector # web UI (default)Before you install: Install command taken from the project README. Check the README for any required environment variables.
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