Framework-driven guidance for writing specs and design documents from seven product leaders.
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Determine fidelity level upfront: low-fi sketches for alignment, high-fi specs for implementation details
Favor prototypes over static documentation; test the feel with real software rather than screenshots
Use fat marker sketches and breadboarding to avoid getting stuck on UI details like colors or spacing
Recognize that temporary design shortcuts often become permanent product decisions;
AI-first code editor with Composer
Before installing skills in Cursor, ensure your development environment meets these requirements:
node --versionwriting-specs-designsExecute the skills CLI command in your project's root directory to begin installation:
Package manager
npx skills add https://github.com/refoundai/lenny-skills --skill writing-specs-designsFetches writing-specs-designs from refoundai/lenny-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 writing-specs-designs. Access via /writing-specs-designsin 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.
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Review drafts, suggest improvements, catch errors
Improve work quality by 30-40% with less effort
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npx skills add https://github.com/refoundai/lenny-skills --skill writing-specs-designsWorks with
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Time Estimate
15-45 minutes depending on use case complexity
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✓ Do
✗ Don't
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✓ Use when
Use when skill capabilities match your task, clear ROI on time saved, and you can validate outputs. Best for repetitive tasks, learning, and quality improvement.
✗ Avoid when
Avoid when task requires deep expertise you can't validate, involves sensitive decisions, or when learning process is more valuable than speed of completion.
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Useful defaults in writing-specs-designs — fewer surprises than typical one-off scripts, and it plays nicely with `npx skills` flows.
writing-specs-designs is among the better-maintained entries we tried; worth keeping pinned for repeat workflows.
Keeps context tight: writing-specs-designs is the kind of skill you can hand to a new teammate without a long onboarding doc.
writing-specs-designs has been reliable in day-to-day use. Documentation quality is above average for community skills.
Keeps context tight: writing-specs-designs is the kind of skill you can hand to a new teammate without a long onboarding doc.
writing-specs-designs has been reliable in day-to-day use. Documentation quality is above average for community skills.
writing-specs-designs reduced setup friction for our internal harness; good balance of opinion and flexibility.
Keeps context tight: writing-specs-designs is the kind of skill you can hand to a new teammate without a long onboarding doc.
Registry listing for writing-specs-designs matched our evaluation — installs cleanly and behaves as described in the markdown.
I recommend writing-specs-designs for anyone iterating fast on agent tooling; clear intent and a small, reviewable surface area.
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