Investigates individual users and user populations in Amplitude — resolve users by email/ID, read profiles, batch-analyze event timelines, spot-check cohort membership. Use for "what did user X do", attribution audits, population sampling, and email-to-user-ID resolution.
Install
npx skills add amplitude/mcp-marketplace --skill user-cohort-forensicsnpx skills add amplitude/mcp-marketplace --skill user-cohort-forensics -a claude-code -gnpx skills add amplitude/mcp-marketplace --skill user-cohort-forensics -a codex -ggemini skills install https://github.com/amplitude/mcp-marketplace.git --path plugins/amplitude/skills/user-cohort-forensicsgh skill install amplitude/mcp-marketplace user-cohort-forensicsgit clone --depth 1 https://github.com/amplitude/mcp-marketplace /tmp/amplitude__mcp-marketplace
mkdir -p ~/.claude/skills ~/.agents/skills
cp -R /tmp/amplitude__mcp-marketplace/plugins/amplitude/skills/user-cohort-forensics ~/.claude/skills/user-cohort-forensics # Claude Code
cp -R /tmp/amplitude__mcp-marketplace/plugins/amplitude/skills/user-cohort-forensics ~/.agents/skills/user-cohort-forensics # Codex, Cursor, Gemini CLI, Copilot, OpenCode