portcheck MCP Server: Install & Setup

Install portcheck in Claude Code

Claude Code

claude mcp add portcheck -- npx -y portcheck-cli

mcp.json (Claude Desktop, Cursor, VS Code, Windsurf)

{
  "mcpServers": {
    "portcheck": {
      "command": "npx",
      "args": [
        "-y",
        "portcheck-cli"
      ]
    }
  }
}

See which process holds a port, find free ports, and stop a dev server safely.

Yes, most likely. Open source and no paid account or API key is mentioned in the listing. Check the provider for current pricing.

Local. Runs on your machine (stdio). You install it with npx, uvx, Docker or from source.

Run: claude mcp add portcheck -- npx -y portcheck-cli

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