market-sizing
An agent skill by phuryn, from phuryn/pm-skills. Tags: documents, market-analysis, spreadsheets, strategy.
What it does
Estimate market size using TAM, SAM, and SOM with top-down and bottom-up approaches. Use when sizing a market opportunity, estimating addressable market, preparing for investor pitches, or evaluating market entry.
Install
With the skills CLI, which installs into Claude Code, Codex, Cursor and other agents:
npx skills add phuryn/pm-skills --skill market-sizingOr copy the skill folder into Claude Code's skills directory by hand (~/.claude/skills for every project, or .claude/skills inside one):
git clone --depth 1 https://github.com/phuryn/pm-skills
cp -r pm-skills/pm-market-research/skills/market-sizing ~/.claude/skills/market-sizingSafety box score
Not rated yet. A safety box score grades what a skill and its scripts can reach on the machine of whoever installs it, across eight categories from shell execution to secrets access. Anyone can request one from this page; it is saved for everyone. How the score works.
Source
- Repository
- phuryn/pm-skills (all skills from this repository)
- Path
- pm-market-research/skills/market-sizing/SKILL.md
- Branch
- main
- Updated
- 2026-09-19
Related skills
- ideal-customer-profile — Identify the Ideal Customer Profile (ICP) from research data with demographics, behaviors, JTBD, and needs.
- ansoff-matrix — Generate an Ansoff Matrix analysis mapping growth strategies across market penetration, market development, product development, and diversification.
- beachhead-segment — Identify the first beachhead market segment for a product launch.
- business-model — Generate a Business Model Canvas with all 9 building blocks.
- competitor-analysis — Analyze competitors with strengths, weaknesses, and differentiation opportunities. Identifies direct competitors and maps the competitive landscape.
- interview-script — Create a structured customer interview script with JTBD probing questions, warm-up, core exploration, and wrap-up sections.