External Brief

Q: What is a Claude Code skill and how does the External Brief 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. External Brief 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: 2026-06-03

「上司向け週次報告」「クライアント向け進捗まとめ」「外向きステータス」「マネージャーに送る report」「お客さんに見せる進捗」と頼まれたら、opshub MCP の task.list (state=completed, updated_after=対象期間開始) と decision.list (recorded_after=対象期間開始) を組み合わせて完了タスク + 意思決定を引き、brief で外向き tone のまとめを返す。persist なし、本 skill は手順書のみで実処理を持たない。pair: personal-brief (自分向け) と対をなす外向き skill。

Security AStatic scan found no risk patternsHow grading works ›

From the source SKILL.md

opshub MCP server (opshub mcp serve、ADR-0022) 経由で「外向き」の進捗 / 完了 / 意思決定をまとめる Tier 1 skill。Phase 12 H3 (docs/phase-12-plan.md §3 H3) で personal-brief の pair として導入。personal-brief が自分向け (粒度細かめ、進行中タスクや未処理 inbox も含む) なのに対し、external-brief は外向き (完了済みの動き / 確定した意思決定が中心、未処理 inbox は基本的に出さない)。

What this skill does

External Brief 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/external-brief/ and loads when your prompt matches the skill's trigger.

Who uses this skill

The External Brief 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 159,000+ 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/external-brief
curl -L https://claudskills.com/skills/external-brief/SKILL.md \
  -o ~/.claude/skills/external-brief/SKILL.md

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

Skills live at ~/.claude/skills/external-brief/SKILL.md on macOS/Linux, or %USERPROFILE%\.claude\skills\external-brief\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 External Brief Claude Code skill?

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

What does the External Brief 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 External Brief skill?

Use External Brief 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 External Brief" or describe the task and let Claude pick). Browse related skills at /category/general/.

What is a Claude Code skill and how does the External Brief 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. External Brief 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/ozzy-labs/opshub/blob/HEAD/.agents/skills/external-brief/SKILL.md
License: MIT
Author: ozzy-labs

Cite this skill

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

APA

ozzy-labs. (2026). External Brief [Claude Code skill]. ClaudSkills. https://claudskills.com/skills/external-brief/

BibTeX

@misc{external-brief-2026,
  author    = {ozzy-labs},
  title     = {External Brief [Claude Code skill]},
  year      = {2026},
  publisher = {ClaudSkills},
  url       = {https://claudskills.com/skills/external-brief/}
}

Embed this skill

Promote, attribute, or link this skill from your own README, blog post, or documentation. All three snippets are free to use — no sign-up, no API key. More distribution surfaces →

Badge

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

Security scan

Grade A · scanned 2026-07-24 — 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/external-brief/#security)

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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

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