Swing Mortem

Q: What is a Claude Code skill and how does the Swing Mortem 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. Swing Mortem is one of 67,000+ skills indexed in the open ClaudSkills catalog, classified under the Sales category. Learn more at https://claudskills.com/learn/what-is-skill-md/.

Category: Sales · Sub-category: prospecting · Last updated: 2026-05-21

Prospective failure analysis using Gary Klein's swing-mortem technique. Assumes complete failure, works backward to identify risks, leading indicators, and circuit breakers. Counters optimism bias by forcing systematic exploration of failure modes before they materialize. Use for project plans, architecture decisions, technology adoption, business strategy, or feature launches. Triggers on "리스크", "위험", "실패하면", "swing-mortem", "뭐가 잘못될 수 있어", "risk", "what could go wrong", "걱정되는 점", "failure modes", "리스크 분석", "위험 분석".

About this skill (catalog notes)

Swing Mortem includes explicit scope boundaries (an explicit 'when not to use' or 'out of scope' section); pricing or quota commentary; 9 code blocks for direct copy-paste. At roughly 2,775 words the SKILL.md is on the longer end of the catalog distribution.

Indexed lastmod: 2026-05-21
Catalog position: Sales · prospecting
Indexed related skills: 10

How Swing Mortem fits the catalog

Swing Mortem sits in the Sales category under the prospecting sub-topic in the ClaudSkills catalog. There are 10 related skills indexed alongside it; comparing a few before installing usually reveals which fits your workflow best.

These notes are auto-generated from features detected in the SKILL.md file and from this catalog's structure — they aren't part of the source repository.

From the source SKILL.md

Prospective failure analysis that defeats optimism bias by assuming failure first, then working backward to surface risks, early warnings, and escape hatches.

What this skill does

Swing Mortem is a community-contributed Claude Code skill in the prospecting sub-category. It ships as a SKILL.md file that Claude Code auto-discovers under ~/.claude/skills/swing-mortem/ and loads when your prompt matches the skill's trigger.

Who uses this skill

The Swing Mortem Claude Code skill is built for sales development reps, account executives, revenue operations teams, and customer success managers. It's part of ClaudSkills (also referred to as Claude Skills or Claude Code Skills) — the open community-curated registry of 116,000+ 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/swing-mortem
curl -L https://claudskills.com/skills/swing-mortem/SKILL.md \
  -o ~/.claude/skills/swing-mortem/SKILL.md

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

Skills live at ~/.claude/skills/swing-mortem/SKILL.md on macOS/Linux, or %USERPROFILE%\.claude\skills\swing-mortem\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 Swing Mortem Claude Code skill?

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

What does the Swing Mortem 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 Swing Mortem skill?

Use Swing Mortem when your Claude Code task falls under the Sales category — specifically in the prospecting 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 Swing Mortem" or describe the task and let Claude pick). Browse related skills at /category/sales/.

What is a Claude Code skill and how does the Swing Mortem 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. Swing Mortem is one of 67,000+ skills indexed in the open ClaudSkills catalog, classified under the Sales category. Learn more at /learn/what-is-a-claude-skill/.

Cite this skill

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

APA

ClaudSkills. (2026). Swing Mortem [Claude Code skill]. ClaudSkills. https://claudskills.com/skills/swing-mortem/

BibTeX

@misc{swing-mortem-2026,
  author    = {ClaudSkills},
  title     = {Swing Mortem [Claude Code skill]},
  year      = {2026},
  publisher = {ClaudSkills},
  url       = {https://claudskills.com/skills/swing-mortem/}
}

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