Skill

ps

Show live Claude Code sessions as a process tree, grouped by shared ancestor chain up to launchd. Covers both CLI sessions and Claude Desktop agent mode. Use this skill when asked about the process tree, ancestor lineage, which terminal or tmux window a Claude session is running in, or what's currently running. Trigger phrases: "process tree", "what's running", "lineage", "ancestor chain", "which terminal is my claude in", "tmux tree", "claude process tree", "session lineage". macOS-only: on other platforms the command prints "unsupported" and exits 0.

Install

npx claudepluginhub psacc/omnisess

Tool Access

This skill is limited to using the following tools:

Bash

Preview

Show live Claude Code sessions as a process tree with ancestor lineage.

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Last CommitApr 20, 2026

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omnisess ps

Show live Claude Code sessions as a process tree with ancestor lineage.

Usage

omnisess ps

JSON output (machine-readable, includes full ancestor chain with command args):

omnisess ps --json

Instructions

Check that the omnisess binary is available:

if ! command -v omnisess &>/dev/null; then echo "omnisess not found. Install it with:" echo " go install github.com/psacc/omnisess@latest" exit 1 fi

Run the command:

omnisess ps "$@"

Notes

macOS-only. On other platforms the command prints omnisess ps: unsupported on this platform (macOS only) and exits 0.

Detects CLI Claude sessions (launched from a terminal, tmux, etc.) and Claude Desktop agent-mode sessions.

Tree is rooted at shared ancestors (typically /sbin/launchd and tmux) so you can see which terminal, tmux pane, or desktop app hosts each session.

Example output

/sbin/launchd (1) ├─ /Applications/Cl (24125) │ ├─ /Applications/Cl (24780) │ │ └─ claude c5b1bd94 my-project (c5b1bd94) desktop 27s │ └─ /Applications/Cl (44287) │ └─ claude 12f1b011 finn (12f1b011) desktop 4h └─ tmux (9050) ├─ /bin/bash (23512) │ └─ claude b9f52b71 finn (b9f52b71) cli 58s └─ claude 232347cd ai-assistant-pyra (232347cd) cli 12m

omnisess ps

Show live Claude Code sessions as a process tree with ancestor lineage.

Usage

omnisess ps

JSON output (machine-readable, includes full ancestor chain with command args):

omnisess ps --json

Instructions

Check that the omnisess binary is available:

if ! command -v omnisess &>/dev/null; then
  echo "omnisess not found. Install it with:"
  echo "  go install github.com/psacc/omnisess@latest"
  exit 1
fi

Run the command:

omnisess ps "$@"

Notes

macOS-only. On other platforms the command prints omnisess ps: unsupported on this platform (macOS only) and exits 0.
Detects CLI Claude sessions (launched from a terminal, tmux, etc.) and Claude Desktop agent-mode sessions.
Tree is rooted at shared ancestors (typically /sbin/launchd and tmux) so you can see which terminal, tmux pane, or desktop app hosts each session.

Example output

/sbin/launchd (1)
├─ /Applications/Cl (24125)
│  ├─ /Applications/Cl (24780)
│  │  └─ claude  c5b1bd94  my-project (c5b1bd94)  desktop  27s
│  └─ /Applications/Cl (44287)
│     └─ claude  12f1b011  finn (12f1b011)  desktop  4h
└─ tmux (9050)
   ├─ /bin/bash (23512)
   │  └─ claude  b9f52b71  finn (b9f52b71)  cli  58s
   └─ claude  232347cd  ai-assistant-pyra (232347cd)  cli  12m