Claude for Desktop¶

Open Claude Desktop → Settings → Developer → Edit Config. Add your server to claude_desktop_config.json: Stateful mode with S3:

{
  "mcpServers": {
    "js": {
      "command": "mcp-v8",
      "args": ["--s3-bucket", "my-bucket-name"]
    }
  }
}

Stateful mode with local filesystem:

{
  "mcpServers": {
    "js": {
      "command": "mcp-v8",
      "args": ["--directory-path", "/tmp/mcp-v8-heaps"]
    }
  }
}