Decision Mental Models

Q: What is a Claude Code skill and how does the Decision Mental Models 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. Decision Mental Models 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: 2026-06-10

Apply the most relevant mental models (First Principles, Inversion, Second-Order Thinking, Occam's Razor, and 16 others) to any problem or decision, surfaces non-obvious insights by explicitly matching and working through 2-3 models per query.

About this skill (catalog notes)

Decision Mental Models includes worked examples; pricing or quota commentary; at least one code block. At roughly 4,338 words the SKILL.md is on the longer end of the catalog distribution.

Source: myclaw.ai
License: MIT
Original author: ndesv21
Indexed lastmod: 2026-06-10
Catalog position: General · general-misc
Indexed related skills: 10

How Decision Mental Models fits the catalog

Decision Mental Models sits in the General category under the general-misc 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.

What this skill does

Decision Mental Models 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/decision-mental-models/ and loads when your prompt matches the skill's trigger.

Who uses this skill

The Decision Mental Models 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 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/decision-mental-models
curl -L https://claudskills.com/skills/decision-mental-models/SKILL.md \
  -o ~/.claude/skills/decision-mental-models/SKILL.md

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

Skills live at ~/.claude/skills/decision-mental-models/SKILL.md on macOS/Linux, or %USERPROFILE%\.claude\skills\decision-mental-models\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 Decision Mental Models Claude Code skill?

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

What does the Decision Mental Models 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 Decision Mental Models skill?

Use Decision Mental Models 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 Decision Mental Models" or describe the task and let Claude pick). Browse related skills at /category/general/.

What is a Claude Code skill and how does the Decision Mental Models 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. Decision Mental Models 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/ndesv21/openclaw-master-skills/blob/HEAD/skills/decision-mental-models/SKILL.md
License: MIT
Author: ndesv21
Website: https://myclaw.ai

Cite this skill

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

APA

ndesv21. (2026). Decision Mental Models [Claude Code skill]. ClaudSkills. https://claudskills.com/skills/decision-mental-models/

BibTeX

@misc{decision-mental-models-2026,
  author    = {ndesv21},
  title     = {Decision Mental Models [Claude Code skill]},
  year      = {2026},
  publisher = {ClaudSkills},
  url       = {https://claudskills.com/skills/decision-mental-models/}
}

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