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Instar Session

Category: General  ·  Sub-category: general-misc  ·  Last updated:
Spawn, monitor, and communicate with persistent Claude Code sessions running in the background. Use when a task needs to run without blocking the current session, when the user asks to do something in the background, or when a long-running task needs its own context window. Trigger words: background task, spawn session, persistent, run in background, parallel, separate session, async task.

From the source SKILL.md

Instar lets you spawn, monitor, and communicate with Claude Code sessions running as background processes in tmux. Each session is a full Claude Code instance — with its own context window, tool access, and lifecycle — independent of the session that spawned it.

What this skill does

Instar Session is a community-contributed Claude Code skill in the general-misc sub-category. It ships as a SKILL.md file that Claude Code auto-discovers under ~/.claude/skills/instar-session/ and loads when your prompt matches the skill's trigger.

When to invoke it: Use when a task needs to run without blocking the current session, when the user asks to do something in the background, or when a long-running task needs its own context window. Trigger words: background task, spawn session, persistent, run in background, parallel, separate session, async task.

Who uses this skill

The Instar Session Claude Code skill is built for Claude Code users and developers across all disciplines looking for general-purpose AI assistance. It's part of ClaudSkills (also referred to as Claude Skills or Claude Code Skills) — the open community-curated registry of 69,000+ SKILL.md files for Anthropic's Claude Code agent and the wider Claude ecosystem (Claude API, Claude Agent SDK).

How to install

Free

Manual install (2 steps)

mkdir -p ~/.claude/skills/instar-session
curl -L https://claudskills.com/skills/instar-session/SKILL.md \
  -o ~/.claude/skills/instar-session/SKILL.md

Or just download SKILL.md directly and drop it into ~/.claude/skills/instar-session/. Claude Code auto-discovers it on next session.

Skills live at ~/.claude/skills/instar-session/SKILL.md on macOS/Linux, or %USERPROFILE%\.claude\skills\instar-session\SKILL.md on Windows. See the full install guide for step-by-step instructions.

Pro

One-click install via the desktop app

The ClaudSkills desktop app installs any skill directly into ~/.claude/skills/ with one click — no terminal required. Pro starts at $9/mo or $149 lifetime.

Pro

For the full experience including quality scoring and one-click install features for each skill — upgrade to Pro.

See pricing → Download desktop app

Attribution & license

More General skills

Browse all General skills in the ClaudSkills registry, or explore these other picks from the same category:

Browse all General skills → Top 100 skills
Part of ClaudSkills — the open registry for Claude Skills & Claude Code Skills.  ·  What's New  ·  Install guide  ·  About  ·  llms.txt

Part of Acreator Store — Adam Lankamer's AI tools: PerfectStudio · Ucaption · UTagger · AutoXPoster · TestYourSkills · AutomationFlows · Au Naturel

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