Devil's advocate analysis to surface risky assumptions across four risk areas.
Works with
AI-first code editor with Composer
Before installing skills in Cursor, ensure your development environment meets these requirements:
node --versionidentify-assumptions-existingExecute the skills CLI command in your project's root directory to begin installation:
Fetches identify-assumptions-existing from phuryn/pm-skills and configures it for Cursor.
The CLI shows a list of agents. Use arrow keys and space to select Cursor:
Confirm successful installation by checking the skill directory location:
Restart Cursor to activate identify-assumptions-existing. Access via /identify-assumptions-existing in your agent's command palette.
We perform automated surface-level scans (Gen AI Scanner, Socket, Snyk) during installation. These checks detect common vulnerabilities but do not guarantee complete security. Always review skill source code and verify the publisher's reputation before production use.
Skills execute code in your environment. Always review source, verify the publisher, and test in isolation before production.
Submit your Claude Code skill and start earning
Create detailed user stories, acceptance criteria, and feature specs
Example
Generate user stories for 'password reset feature' with acceptance criteria, edge cases, and test scenarios
Reduce spec writing time by 50%, ensure comprehensive coverage
Research competitors, compare features, identify gaps
Example
Analyze 5 competitor products, create feature comparison matrix, suggest differentiation opportunities
Complete competitive research in 2 hours instead of 2 days
Evaluate features using frameworks (RICE, ICE, Kano) and create prioritized backlogs
Example
Score 20 feature ideas using RICE framework, generate prioritized roadmap with rationale
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Devil's advocate analysis to surface risky assumptions across four risk areas.
You are stress-testing a feature idea for $ARGUMENTS.
If the user provides files (designs, PRDs, research), read them first.
The user will describe their product, objective, market segment, and feature idea. Work through these steps:
Think from three perspectives about why this feature might fail:
Identify assumptions across four risk areas:
For each assumption, note:
Think step by step. Be thorough but constructive — the goal is to strengthen the idea, not kill it.
Make data-driven prioritization decisions faster
Draft PRDs, status updates, and stakeholder presentations
Example
Create executive summary of Q3 roadmap, monthly progress report, feature launch announcement
Save 3-5 hours/week on communication overhead
Prerequisites
Time Estimate
30-60 minutes to see productivity improvements
Steps
Common Pitfalls
✓ Do
✗ Don't
💡 Pro Tips
✓ Use when
Use for user story writing, competitive research, roadmap prioritization, stakeholder communication, and PRD drafting. Best for reducing repetitive documentation and research work.
✗ Avoid when
Avoid for strategic product vision (requires deep customer empathy), pricing decisions (needs market and financial expertise), or when face-to-face customer discovery is more valuable than speed.
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identify-assumptions-existing fits our agent workflows well — practical, well scoped, and easy to wire into existing repos.
Useful defaults in identify-assumptions-existing — fewer surprises than typical one-off scripts, and it plays nicely with `npx skills` flows.
Keeps context tight: identify-assumptions-existing is the kind of skill you can hand to a new teammate without a long onboarding doc.
Registry listing for identify-assumptions-existing matched our evaluation — installs cleanly and behaves as described in the markdown.
identify-assumptions-existing has been reliable in day-to-day use. Documentation quality is above average for community skills.
Solid pick for teams standardizing on skills: identify-assumptions-existing is focused, and the summary matches what you get after install.
identify-assumptions-existing reduced setup friction for our internal harness; good balance of opinion and flexibility.
We added identify-assumptions-existing from the explainx registry; install was straightforward and the SKILL.md answered most questions upfront.
Keeps context tight: identify-assumptions-existing is the kind of skill you can hand to a new teammate without a long onboarding doc.
identify-assumptions-existing is among the better-maintained entries we tried; worth keeping pinned for repeat workflows.
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