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…
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name: identify-assumptions-existing
description: "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."
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## Identify Assumptions (Existing Product)
Devil's advocate analysis to surface risky assumptions across four risk areas.
### Context
You are stress-testing a feature idea for **$ARGUMENTS**.
If the user provides files (designs, PRDs, research), read them first.
### Instructions
The user will describe their product, objective, market segment, and feature idea. Work through these steps:
1. **Think from three perspectives** about why this feature might fail:
- **Product Manager perspective**: Business viability, market fit, strategic alignment
- **Designer perspective**: Usability, user experience, adoption barriers
- **Engineer perspective**: Technical feasibility, performance, integration challenges
2. **Identify assumptions across four risk areas**:… load the full skill through Skill Me