Estimates TAM, SAM, and SOM for a market or sub-segment to ground sales capacity, territory, and quota planning - top-down, bottom-up on named accounts or population math, value theory, triangulation, a capacity-based SOM ceiling, and a per-layer refresh cadence. A macro planning exercise for sales leadership and RevOps, covering B2B and B2C.
Install
npx skills add mbfinotti/sales-skills --skill sales-market-sizingnpx skills add mbfinotti/sales-skills --skill sales-market-sizing -a claude-code -gnpx skills add mbfinotti/sales-skills --skill sales-market-sizing -a codex -ggemini skills install https://github.com/mbfinotti/sales-skills.git --path skills/sales-market-sizinggh skill install mbfinotti/sales-skills sales-market-sizinggit clone --depth 1 https://github.com/mbfinotti/sales-skills /tmp/mbfinotti__sales-skills
mkdir -p ~/.claude/skills ~/.agents/skills
cp -R /tmp/mbfinotti__sales-skills/skills/sales-market-sizing ~/.claude/skills/sales-market-sizing # Claude Code
cp -R /tmp/mbfinotti__sales-skills/skills/sales-market-sizing ~/.agents/skills/sales-market-sizing # Codex, Cursor, Gemini CLI, Copilot, OpenCode