# PortNanny

> PortNanny — mukes555-portnanny. Use this tool when you need to manage and monitor listening ports on macOS, identify and terminate unwanted port usage, and prevent conflicts between AI agents and servers. PortNanny provides a user-friendly interface through its menu bar app, Workbench, and CLI, as well as an MCP server for seamless integration. It takes in port usage data and outputs detailed information on listening ports, allowing for efficient port management and conflict resolution.

Canonical page: https://skillsregistry.net/skills/mukes555-portnanny  
JSON: https://api.skillsregistry.net/v1/skills/mukes555-portnanny

## Description

macOS port manager: see every listening port, who started it, and stop it the right way. Menu bar app, Workbench, CLI, and an MCP server so AI agents never kill each other's servers. Formerly PortKilla.

## Trust

- **Trust score (0–1):** 0.97
- **Verification tier:** verified
- **Last scanned:** 2026-09-28

## Facts

- **Version:** 1.0.0
- **Skill type:** atomic
- **Execution layer:** container
- **Runtime environment:** vm
- **License:** MIT
- **Updated:** 2026-09-28

## Source

- **Source listing:** [GitHub](https://github.com/mukes555/PortNanny)

## Use it

Resolve this record through the SkillsRegistry MCP server (no auth, read-only):

```
claude mcp add --transport http --scope user skillsregistry https://api.skillsregistry.net/mcp
```

```json
{
  "jsonrpc": "2.0",
  "id": 1,
  "method": "tools/call",
  "params": {
    "name": "get_skill",
    "arguments": {
      "slug": "mukes555-portnanny"
    }
  }
}
```

REST: `GET https://api.skillsregistry.net/v1/skills/mukes555-portnanny` · pull for local use: `GET https://api.skillsregistry.net/v1/skills/mukes555-portnanny/pull`

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SkillsRegistry indexes agent skills from public registries and GitHub. Skills we have analysed are scanned with Circle-IR and scored on six dimensions; each listing states its scan coverage. More: https://skillsregistry.net/llms.txt