Our review
Turns a vague feature request into a structured implementation plan with goals, constraints, and acceptance criteria.
Strengths
- Clarifies scope and non-goals to prevent scope creep
- Identifies risks and technical dependencies early
- Produces testable acceptance criteria
- Documents open questions for design iteration
Limitations
- Relies on the quality of the initial request
- May be overly formal for trivial changes
- Does not replace a full impact analysis
Use this skill before implementing a complex or ambiguous feature to align the team on a shared vision.
Avoid this skill for simple bugs or maintenance tasks that don't require upfront planning.
Security analysis
SafeThe skill is purely declarative, guiding the AI to produce a textual plan without any tool execution, file access, or network activity. No security risks are present.
No concerns found
Examples
Plan the implementation for adding OAuth2 login to our web app. The feature should support Google and GitHub as providers, and store tokens securely. Existing users can still use email/password.I want to add a dark mode toggle to the settings page. It should apply system-wide and respect the OS preference by default. Create an implementation plan.Plan a feature: users receive email notifications for new messages. Notifications can be paused per conversation. We use SendGrid. Generate the plan with goals, non-goals, and risks.name: feature-planner description: Turn a feature request into an implementation-ready plan with scope, constraints, acceptance criteria, and risks.
Goal
Convert an ambiguous feature idea into a concrete plan before implementation.
Workflow
- Restate the target outcome in one paragraph.
- Separate goals from non-goals.
- Identify affected user flows, entry points, and likely files.
- List constraints, dependencies, and migration concerns.
- Produce acceptance criteria.
- Leave unresolved questions as explicit open items.
Output format
Outcome
Goals
Non-goals
Affected areas
Constraints and risks
Acceptance criteria
Open questions
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