Use this skill when an operator wants an agent to choose a structured reasoning framework instead of improvising through a complex decision, debugging session, risk review, or strategy question. cc-thinking-skills packages 28 mental-model and critical-thinking frameworks and provides a `thinking-model-router` entry point that routes the agent to the relevant skill.

Invoke this instead of using the agent normally when the task needs a named reasoning lens, reproducible decision framing, or an explicit tradeoff analysis. Install the catalog into the target agent runtime, start with `thinking-model-router`, and let the selected skill constrain the reasoning workflow.

The scope boundary is a portable Agent Skills catalog for reasoning workflows. It is not a generic prompt pack, management-advice article, or standalone framework library. The repeatable operator workflow is installation, router invocation, selected mental-model execution, and review of the resulting reasoning against the task.

Source-backed install paths from the upstream README include `npx skills add tjboudreaux/cc-thinking-skills`, `gh skill install tjboudreaux/cc-thinking-skills –all –pin v1.0.0`, `openclaw skills install @tjboudreaux/thinking-model-router`, and Claude Code marketplace installation with `/plugin marketplace add tjboudreaux/cc-thinking-skills` followed by `/plugin install thinking-skills@thinking-skills-marketplace`.