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From bolster
Kill processes holding a port using lsof — safe, targeted process management patterns
How this skill is triggered — by the user, by Claude, or both
Slash command
/bolster:lsof-patternsThe summary Claude sees in its skill listing — used to decide when to auto-load this skill
```bash
lsof -ti:<PORT> -sTCP:LISTEN | xargs kill
Example — kill whatever is holding port 3001:
lsof -ti:3001 -sTCP:LISTEN | xargs kill
Breakdown:
-t — output PIDs only (no headers)-i:<PORT> — filter by port number-sTCP:LISTEN — only processes in LISTEN state (avoids killing established connections)| xargs kill — send SIGTERM to each PID# Graceful (SIGTERM) — try this first
lsof -ti:3001 -sTCP:LISTEN | xargs kill
# Force (SIGKILL) — if process doesn't respond
lsof -ti:3001 -sTCP:LISTEN | xargs kill -9
lsof -i:<PORT> -sTCP:LISTEN
lsof -ti:3001,3002,8080 -sTCP:LISTEN | xargs kill
lsof -i:<PORT> first if unsure what's runninglsof included on macOS)fuser -k <PORT>/tcp is an alternative but lsof is more portableProvides behavioral guidelines to reduce common LLM coding mistakes, focusing on simplicity, surgical changes, assumption surfacing, and verifiable success criteria.
Searches, retrieves, and installs Agent Skills from prompts.chat registry using MCP tools like search_skills and get_skill. Activates for finding skills, browsing catalogs, or extending Claude.
Creates, edits, and optimizes skills for Claude Code, including drafting, evaluating with test prompts, iterating on performance, and improving skill descriptions for better triggering accuracy.
npx claudepluginhub bd-vitalstatistix/claude-marketplace --plugin bolster