What problem does it solve? Deciding whether to build a free tool (calculator, generator, analyzer) as a marketing asset is risky without a framework for validating demand, scoping an MVP, and designing lead capture. This Skill provides a structured strategy for engineering-as-marketing initiatives. ## Core Features & Use Cases - Ideation & Validation Framework: Generate tool ideas from audience pain points and score them with an 8-factor evaluation scorecard covering search demand, audience match, and build feasibility. - Lead Capture & Gating Strategy: Choose between fully gated, partially gated, and ungated models with tradeoff analysis for each approach. - Tool Type Reference: Detailed guidance on calculators, generators, analyzers, testers, libraries, and interactive tools, with industry-specific examples. - Use Case: A SaaS company wants to build a free ROI calculator to attract leads. Use this Skill to validate the concept, scope the MVP, design the email capture flow, and plan the SEO keyword strategy for the tool's landing page. ## Quick Start Help me evaluate whether building a free ROI calculator is a good lead generation strategy for my product and outline the MVP scope.