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mcp/harbor
Cursor

regex lab for Cursor

io.github.ryudi84/regex-lab

MCP server for regex testing, matching, replacing, and validation

client:Cursor transport:stdio runtime:npm

Install regex lab in Cursor

~/.cursor/mcp.json · windows: %USERPROFILE%\.cursor\mcp.json 

{
  "mcpServers": {
    "regex-lab": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "regex-lab-mcp"
      ]
    }
  }
}

Use .cursor/mcp.json in a project root instead to scope it to that project. Cursor merges both. Cursor docs

regex lab in other clients

regex lab MCP server