market-sizing-analysis
This skill should be used when the user asks to "calculate TAM", "determine SAM", "estimate SOM", "size the market", "calculate market opportunity", "what's the total addressable market", or requests market sizing analysis for a startup or business opportunity.
npx skills add majiayu000/claude-skill-registry --skill market-sizing-analysis-codewithbehnam-cc-docs --agent claude-code
Same command for any agent — swap --agent for codex, cursor, copilot.
Weekly change comes from our own snapshots, not the repository page — it measures attention, not adoption.
# Market Sizing Analysis Comprehensive market sizing methodologies for calculating Total Addressable Market (TAM), Serviceable Available Market (SAM), and Serviceable Obtainable Market (SOM) for startup opportunities. ## Overview Market sizing provides the foundation for startup strategy, fundraising, and business planning. Calculate market opportunity using three complementary methodologies: top-down (industry reports), bottom-up (customer segment calculations), and value theory (willingness to pay). ## Core Concepts ### The Three-Tier Market Framework **TAM (Total Addressable Market)** - Total revenue opportunity if achieving 100% market share - Defines the universe of potential customers - Used for long-term vision and market validation - Example: All email marketing software revenue globally **SAM (Serviceable Available Market)** - Portion of TAM targetable with current product/service - Accounts for geographic, segment, or capability constraints - Represents realistic addressable opportunity - Example: AI-powered email marketing for e-commerce in North America **SOM (Serviceable Obtainable Market)** - Realistic market share achievable in 3-5 years - Accounts for competition, r
- Overview
- Core Concepts
- The Three-Tier Market Framework
- When to Use Each Methodology
- Three-Methodology Framework
- Methodology 1: Top-Down Analysis
- Methodology 2: Bottom-Up Analysis
- Methodology 3: Value Theory
- Step-by-Step Process
- Step 1: Define the Market
- Step 2: Gather Data Sources
- Step 3: Calculate TAM
- Step 4: Calculate SAM
- Step 5: Calculate SOM
What does the market-sizing-analysis skill do?
This skill should be used when the user asks to "calculate TAM", "determine SAM", "estimate SOM", "size the market", "calculate market opportunity", "what's the total addressable market", or requests market sizing analysis for a startup or business opportunity.
How do I install it?
Run `npx skills add majiayu000/claude-skill-registry --skill market-sizing-analysis-codewithbehnam-cc-docs --agent claude-code` — it drops the skill into your project so the agent can pick it up. Swap the --agent value for codex, cursor or copilot if you use one of those.
Where does this skill come from?
From majiayu000/claude-skill-registry, a repository with 534 stars. We read it straight from the repository tree rather than a submitted listing, so what you see here is what is actually published.
Is a popular skill a good skill?
Not necessarily. Stars measure attention, not adoption — a repository can trend for a week and be abandoned. That is why we show the weekly change from our own snapshots next to the total, instead of a single flattering number.