Assumption mapper
Quick answer
- 01What is it?
- Exposes hidden risks by identifying and ranking assumptions across desirability, feasibility, and viability categories. Use when evaluating new products or features to surface the highest-risk assumption to test first. The value is a focused slice of assumption mapper judgment, useful when several similar skills cover the same ground.
- 02Inputs
- Context the agent needs: your goals, audience, constraints, and any source material the skill asks for.
- 03Output
- A ready-to-use result: the analysis, copy, or recommendations the agent produces.
Add this skill
Install as a package
Installs this one skill package for your coding agent, including any supporting files that skill ships with — not every skill in the repository. Read the tutorial.
$ npx skills add pratikshadake/claude-product-management-skills --skill assumption-mapperSkill instructions
The instruction file for this skill. The skill also includes other files you need to install to use it.
Assumption Mapper
Purpose
Expose hidden risks by identifying and ranking assumptions.
Categories
- Desirability (users want it)
- Feasibility (can we build it)
- Viability (business works)
Steps
- List assumptions in each category.
- Rate risk and uncertainty.
- Identify highest-risk assumption to test first.
Output
Key Assumptions
Highest-Risk Assumption
Validation Method
Decision Before Building
References
See worked example (references/example.md) for a complete scenario.
Supporting file: references/example.md
Example: Assumption Mapping — AI Meeting Notes
Key Assumptions
Desirability
Founders want automatic summaries.
Feasibility
Speech-to-text accuracy is sufficient.
Viability
Users will pay for automation.
Highest-Risk Assumption
Users trust AI-generated summaries.
Validation Method
Prototype with 10 founders and collect feedback.
Decision Before Building
Validate trust before full product build.
Common questions
How do I install Assumption mapper in Cursor, Claude Code, or Codex?
Run npx skills add pratikshadake/claude-product-management-skills --skill assumption-mapper in the project where you want it, then ask your agent for the skill by name. The --skill flag installs only Assumption mapper, not every skill in the repository.
Where does Assumption mapper come from and what license is it under?
Assumption mapper comes from the pratikshadake/claude-product-management-skills repository on GitHub. That repository has 30 GitHub stars. The skill is published under the MIT license.
Prefer plain text? Read the Assumption mapper guide as markdown.
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