Agent skill · research science · aiskillstore
market-sizing-analysis
This skill should be used when the user asks to "calculate TAM",
Why this skill is useful
Provides detailed methodologies and frameworks for calculating TAM, SAM, and SOM that the AI wouldn't reliably generate on its own.
What it needs
About 7k tokens when loaded. Last updated 2026-08-07. 405 stars on the source repository.
What this skill does
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. Use this skill when Working on market sizing analysis tasks or workflows Needing guidance, best practices, or checklists for market sizing analysis Do not use this skill when The task is unrelated to market sizing analysis You need a different domain or tool outside this scope Instructions Clarify goals, constraints, and required inputs. Apply relevant best practices and validate outcomes. Provide actionable steps and verification. If detailed examples are required, open resources/implementation-playbook.md. 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, resources, and market dynamics Used for financial projections and fundraising Example: 2-5% of SAM based on competitive landscape When to Use Each Methodology Top-Down Analysis Use when established market research exists Best for mature, well-defined markets Validates market existence and growth Starts with industry reports and n …
How to use it
Reference it in AdaL, Claude Code, Cursor or any coding agent — nothing to install:
@skills aiskillstore/market-sizing-analysis