Spawn Session

Q: What is a Claude Code skill and how does the Spawn Session skill fit in?

A Claude Code skill is a SKILL.md file that lives under ~/.claude/skills/<name>/ and tells the Claude Code CLI agent how to perform a specific task (instructions, prompts, allowed tools). Skills are auto-discovered at session start. Spawn Session is one of 67,000+ skills indexed in the open ClaudSkills catalog, classified under the General category. Learn more at https://claudskills.com/learn/what-is-skill-md/.

Category: General · Sub-category: general-misc · Last updated: 2026-08-08

新しい detached な Claude Code Remote Control セッションを Herdr 内に起動し、Claude モバイルアプリのセッション一覧に出す。生きている任意のセッションから（多くは iPhone の Remote Control 越しに）呼んで、別プロジェクトの新規セッションを Mac に触れず立ち上げる。Use when the user says 「新しいセッション立てて」「AAP のセッション開いて／立ち上げて」「contemplative のセッション作って」「spawn a (new) session」「launch a remote control session」「start a session for X」, or invokes `/spawn-session [project]`. NOT for: 既存会話の resume（`--continue`/`--resume`）、同一セッション内の文脈リセット（`/clear`）、現セッションの model 切替。

Security AStatic scan found no risk patternsHow grading works ›

From the source SKILL.md

生きている任意のセッションから、名前付き・detached な新しい Claude Code Remote Control セッションを Herdr 内に起動する。新セッションは自分の RC を登録するので Claude モバイルアプリのセッション一覧に出る。iPhone から Remote Control 越しに操作している最中に、Mac に触れず別プロジェクトのセッションを増やすのが主用途。Herdr の艦隊ビュー（サイドバー・agent status）にもそのまま並ぶ。

What this skill does

Spawn 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/spawn-session/ and loads when your prompt matches the skill's trigger.

When to invoke it: Use when the user says 「新しいセッション立てて」「AAP のセッション開いて／立ち上げて」「contemplative のセッション作って」「spawn a (new) session」「launch a remote control session」「start a session for X」, or invokes `/spawn-session [project]`.

Who uses this skill

The Spawn 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 196,000+ 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/spawn-session
curl -L https://claudskills.com/skills/spawn-session/SKILL.md \
  -o ~/.claude/skills/spawn-session/SKILL.md

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

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

📱 Install from your phone or desktop Telegram

Open @claudskills_bot on Telegram, tap Open Desktop App, and the desktop app installs this skill for you. Or share the bot link with a colleague — they get the same one-tap install. Learn more →

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

Frequently asked questions

How do I install the Spawn Session Claude Code skill?

Install via the ClaudSkills desktop app (one click) or copy SKILL.md from the source repository to ~/.claude/skills/spawn-session/SKILL.md and restart Claude Code. Both flows are detailed at claudskills.com/install/.

What does the Spawn Session skill do?

Is this skill free to install?

Yes. ClaudSkills is an open registry — every skill keeps its source repository's license, and manual install via copy is free. ClaudSkills Pro ($9/mo, $79/yr, or $149 one-time) adds one-click install via the desktop app and a multi-signal Quality Score.

When should I use the Spawn Session skill?

Use Spawn Session when your Claude Code task falls under the General category — specifically in the general misc area. Claude Code auto-discovers installed skills and invokes the right one based on the task description, so you can also ask Claude directly (e.g. "use Spawn Session" or describe the task and let Claude pick). Browse related skills at /category/general/.

What is a Claude Code skill and how does the Spawn Session skill fit in?

A Claude Code skill is a SKILL.md file that lives under ~/.claude/skills/<name>/ and tells the Claude Code CLI agent how to perform a specific task (instructions, prompts, allowed tools). Skills are auto-discovered at session start. Spawn Session is one of 67,000+ skills indexed in the open ClaudSkills catalog, classified under the General category. Learn more at /learn/what-is-a-claude-skill/.

Attribution & license

Source: https://github.com/shimo4228/claude-harness/blob/HEAD/skills/spawn-session/SKILL.md
License: MIT
Author: shimo4228

Cite this skill

If you reference this skill in a blog post, paper, or documentation, you can cite it as:

APA

shimo4228. (2026). Spawn Session [Claude Code skill]. ClaudSkills. https://claudskills.com/skills/spawn-session/

BibTeX

@misc{spawn-session-2026,
  author    = {shimo4228},
  title     = {Spawn Session [Claude Code skill]},
  year      = {2026},
  publisher = {ClaudSkills},
  url       = {https://claudskills.com/skills/spawn-session/}
}

Embed this skill

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Badge

[![ClaudSkills](https://claudskills.com/badge/spawn-session.svg)](https://claudskills.com/skills/spawn-session/?utm_source=badge&utm_medium=readme&utm_campaign=skill_badge)

Security scan

Grade A · scanned 2026-09-28 — free static scan against the OWASP Agentic Skills Top 10.

No risk patterns were found in any of the ten OWASP-aligned categories. How grading works ›

✓ Prompt injection
✓ Data exfiltration
✓ Supply chain
✓ Reverse shell
✓ Credentials
✓ Execution
✓ Filesystem
✓ Persistence
✓ Obfuscation
✓ Network

Show this grade on your repo (click to copy):

[![Security: A](https://img.shields.io/badge/Security-A-2e7d32)](https://claudskills.com/skills/spawn-session/#security)

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Part of ClaudSkills — the open registry for Claude Skills & Claude Code Skills. · What's New · Install guide · About · llms.txt

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