Agent skill · software engineering · aradotso
port-whisperer-cli
port-whisperer-cli — an agent skill for coding agents.
Why this skill is useful
Adds niche commands for managing network ports and processes that the AI wouldn't reliably generate on its own.
What it needs
Requires npm installed locally. About 3k tokens when loaded. Last updated 2026-07-09. 70 stars on the source repository.
What this skill does
bash Global install (recommended — gives you ports and whoisonport commands) npm install -g port-whisperer Run without installing npx port-whisperer bash ports bash ports --all bash ports 3000 or whoisonport 3000 bash ports kill 3000 # kill by port number ports kill 3000 5173 8080 # kill multiple ports at once ports kill 42872 # kill by PID ports kill -f 3000 # force kill (SIGKILL) for stubborn processes bash ports ps # dev processes only ports ps --all # every running process bash ports clean bash ports watch ┌───────┬─────────┬───────┬──────────────────────┬────────────┬────────┬───────────┐ │ PORT │ PROCESS │ PID │ PROJECT │ FRAMEWORK │ UPTIME │ STATUS │ ├───────┼─────────┼───────┼──────────────────────┼────────────┼────────┼───────────┤ │ :3000 │ node │ 42872 │ frontend │ Next.js │ 1d 9h │ ● healthy │ │ :5432 │ docker │ 58351 │ backend-postgres-1 │ PostgreSQL │ 10d 3h │ ● healthy │ │ :6379 │ docker │ 58351 │ backend-redis-1 │ Redis │ 10d 3h │ ● healthy │ └───────┴─────────┴───────┴──────────────────────┴────────────┴────────┴───────────┘ 1. lsof -iTCP -sTCP:LISTEN → all TCP listeners 2. ps (batched) → command, uptime, memory, PPID, status per PID 3. lsof -d cwd (batched) → working directory → project/framework detection 4. …
How to use it
Reference it in AdaL, Claude Code, Cursor or any coding agent — nothing to install:
@skills aradotso/port-whisperer-cli