Installation
Copy the prompt below and send it to your AI assistant (e.g. Claude Code) — it will follow the instructions and install automatically.
Install the "identify-assumptions-existing" skill by following the instructions at https://skill123.me/install/identify-assumptions-existing.
Run in your terminal — downloads and installs to ~/.claude/skills/.
curl -fsSL https://skill123.me/install/identify-assumptions-existing.sh | bash
Download the zip and extract it into your skills directory (e.g. ~/.claude/skills/), then restart your session.
⬇ Download v1.0.0 · 1 KBAbout this skill
Overview
Identify risky assumptions for a feature idea in an existing product across Value, Usability, Viability, and Feasibility. Uses multi-perspective devil's advocate thinking. Use when stress-testing a feature idea, doing risk assessment, or preparing for assumption mapping.
Source
- Repo: https://github.com/phuryn/pm-skills
- Path: pm-product-discovery/skills/identify-assumptions-existing
Evaluation
AI-evaluated 2026-09-03: Well-structured devil-advocate workflow with the Value/Usability/Viability/Feasibility framework, confidence levels, and a suggested test per assumption. Read-only analytical skill with no risky operations.