gnurio/porter-strategy-skills

This repository is a collection of 12 AI agent skills built around Michael Porter's book "Competitive Strategy," a foundational text on how businesses compete within industries. The skills are designed to be invoked by AI coding assistants like Claude Code or Cursor, and they turn the analytical frameworks from that book into structured, step-by-step analysis tasks that an AI agent can actually walk through with you. The skills cover the core ideas in Porter's book. One skill leads you through the five forces framework, checking 32 sub-factors across barriers to entry, rivalry among competitors, buyer power, supplier power, and substitute products. Another builds a competitor profile by examining goals, assumptions, current strategy, and capabilities, then predicts how that competitor would respond to moves you might make. Other skills help identify which generic strategy fits your situation (cost leadership, differentiation, or focus), interpret what competitor actions signal about their intentions, design offensive or defensive moves, and audit whether a strategy is internally consistent. There is also an orchestrator skill that detects what you are trying to analyze, routes to the appropriate skill or chain of skills, and passes outputs from one step into the next. Five pre-built workflows cover common scenarios such as evaluating a new market to enter, running a full strategic audit, or determining what competitive move to make. The repository does not contain software that runs independently. Each skill is a Markdown file with procedures, checklists, decision logic, and output templates written in Porter's own language rather than paraphrased summaries. The authors note they cross-checked the content against the original book using NotebookLM. A heuristics catalog, a failure modes catalog, and workflow diagrams are also included. The repository is structured so you can copy the skills folder into a project that supports AI skills or slash commands.