product-lens

Convert vague product ideas into concrete, testable specifications.

3|2|Updated Mar 8, 2026

Search Tags:#validation #roadmap #prioritization #diagnostics #product #decision-making #specs

Ready to run

npx skills add https://github.com/agentmatters/mullai-bot --skill product-lens-agentmatters

💬 Prompt for ChatGPT / Claude Chat▼

Please help me install this Agent Skill.
Skill: product-lens
Source: https://github.com/agentmatters/mullai-bot/tree/main/src/Mullai.Skills/Skills/claude-code-everything/product-lens
Command: npx skills add https://github.com/agentmatters/mullai-bot --skill product-lens-agentmatters

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve?

Convert vague product ideas into concrete, testable specifications that guide design and engineering decisions.

Core Features & Use Cases

Product Diagnostic: ask critical questions to crystallize user needs, success criteria, and scope.
Founder Review & User Journey Audit: evaluate alignment with goals and identify onboarding friction.
Feature Prioritization: rank ideas by impact, confidence, and effort to inform roadmaps.

Quick Start

Provide a concise product brief that justifies the feature, its user impact, and the next actionable steps.

Frequently Asked Questions about product-lens

High-intent search queries and answers about installing and using this skill.

FAQPage Schema

How do I turn vague product ideas into actionable specs for engineering?▼

To turn vague product ideas into actionable specs, you provide a concise brief that justifies the feature, its user impact, and the next steps. This process applies critical diagnostics to crystallize user needs, success criteria, and scope into testable specifications.

What is the best way to prioritize features for a product roadmap?▼

The best way to prioritize features for a product roadmap is to rank ideas by impact, confidence, and effort. This method ensures roadmap decisions depend on clear rationale and measurable outcomes rather than subjective opinions.

How do I evaluate user journey alignment and identify onboarding friction?▼

To evaluate user journey alignment and identify onboarding friction, conduct a founder review and user journey audit. This diagnostic process evaluates alignment with overarching goals and highlights critical areas where users experience friction.

Can I use product diagnostics for early-stage feature ideation and roadmap reviews?▼

Yes, you can use product diagnostics for early-stage feature ideation and roadmap reviews. The process applies structured problem framing and decision criteria to generate reproducible briefs, ensuring decisions depend on clear rationale and measurable outcomes.

What should a product brief include to guide design and engineering decisions?▼

A product brief should include a justification for the feature, its expected user impact, and the next actionable steps. This structured problem framing provides design and engineering teams with concrete, testable specifications.

When do I need to convert a product idea into a testable specification?▼

You need to convert a product idea into a testable specification during early-stage planning, feature ideation, and roadmap reviews. This ensures design and engineering teams receive structured problem framing and reproducible briefs with clear decision criteria.