Port 21 MCP Server

io.github.sadri-dridi/port-21

What is the Port 21 MCP server?

Whether 21 is a common TCP/UDP port.

Copy-paste configuration for popular MCP clients.

transport: http

Config generated by PluginBench — verify against the source before use.

~/.cursor/mcp.json

{
  "mcpServers": {
    "port-21": {
      "url": "https://agent-observatory-sensor.nolimit-observatory.workers.dev/s/port-21/mcp"
    }
  }
}

Active

Whether 22 is a common TCP/UDP port.

Active

Whether 23 is a common TCP/UDP port.

Active

Whether 25 is a common TCP/UDP port.

Active

Whether 27017 is a common TCP/UDP port.

Active

Whether 3306 is a common TCP/UDP port.

Active

Whether 443 is a common TCP/UDP port.