Validate a startup idea with competitor analysis, market signals, and risk assessment. Be brutally honest. Use when the user wants to test if an idea is worth building.
Install
npx skills add c0x12c/ai-toolkit --skill idea-validationnpx skills add c0x12c/ai-toolkit --skill idea-validation -a claude-code -gnpx skills add c0x12c/ai-toolkit --skill idea-validation -a codex -ggemini skills install https://github.com/c0x12c/ai-toolkit.git --path toolkit/skills/idea-validationgh skill install c0x12c/ai-toolkit idea-validationgit clone --depth 1 https://github.com/c0x12c/ai-toolkit /tmp/c0x12c__ai-toolkit
mkdir -p ~/.claude/skills ~/.agents/skills
cp -R /tmp/c0x12c__ai-toolkit/toolkit/skills/idea-validation ~/.claude/skills/idea-validation # Claude Code
cp -R /tmp/c0x12c__ai-toolkit/toolkit/skills/idea-validation ~/.agents/skills/idea-validation # Codex, Cursor, Gemini CLI, Copilot, OpenCode