sk-4d-method

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Provides a per-invocation four-phase processing wrapper (Deconstruct, Diagnose, Develop, Deliver) for structured request resolution. Use when an agent faces an ambiguous request, missing required slots, or feedback that requires re-entry into a specific processing phase.

gustavo-meilus By gustavo-meilus schedule Updated 6/5/2026

name: sk-4d-method description: Provides a per-invocation four-phase processing wrapper (Deconstruct, Diagnose, Develop, Deliver) for structured request resolution. Use when an agent faces an ambiguous request, missing required slots, or feedback that requires re-entry into a specific processing phase. user-invocable: false

4D Method — Per-Invocation Processing Wrapper

Deconstruct → Diagnose → Develop → Deliver. A mandatory stop point when critical information (audience, format, goal, constraints, scope) is missing. Returning to a specific 4D phase based on the type of feedback received. ### 1. DECONSTRUCT (Intent & Entities) - **Goal**: Strip the request to its core intent. - Identify noun-level entities, explicit constraints, and target audience. - Surface implicit assumptions and missing context. - **HARD-GATE**: If ≥3 critical slots are missing, stop and emit targeted clarifying questions.

2. DIAGNOSE (Specs & Guardrails)

  • Goal: Transform vague terms into concrete specifications.
  • Replace subjective language (e.g., "clean," "professional") with measurable metrics (e.g., "≤80 chars/line," "no passive voice").
  • Separate overloaded asks into a numbered sub-task list.
  • Anticipate the top 2–3 failure modes and design build-time guardrails.

3. DEVELOP (Tactics & Strategy)

  • Goal: Match the task type to the optimal execution strategy.
  • Select the appropriate model tier and effort level per project model-resolution rules.
  • Define output format precisely (schemas, bullet counts, code languages).
  • Layer constraints using primacy and recency (critical rules first and last).

4. DELIVER (Formatting & Scannability)

  • Goal: Ensure the response is optimized for the consumer's environment.
  • Use an inverted pyramid structure (conclusion first).
  • Match the medium (e.g., Slack-tight vs. report-structured).
  • Provide an actionable next step.

4D Feedback Routing

| Feedback Signal | Re-entry Phase | Rationale | | :--- | :--- | :--- | | "Not what I asked" | **Deconstruct** | Misaligned intent or goal. | | "This is incorrect" | **Diagnose** | Technical failure or missed edge case. | | "Use a different approach" | **Develop** | Correct intent, wrong implementation strategy. | | "Format/style change" | **Deliver** | Cosmetic or presentation refinement. |

Quick Reference

| Phase | Core Question | Key Action | | :--- | :--- | :--- | | **Deconstruct** | "What is actually being asked?" | Separate intent from output; surface gaps. | | **Diagnose** | "Where will this break?" | Replace vague terms; resolve conflicts. | | **Develop** | "What's the best approach?" | Match strategy to task; define format. | | **Deliver** | "Is this ready for the consumer?" | Organize for scannability; match context. | - All four phases run internally; phases surface only on explicit request ("show 4D"). - The HARD-GATE in Phase 1 is non-negotiable for high-stakes tasks. - Model selection and effort level follow project model-resolution rules (sk-model-resolver).

Cross-References

  • sk-pipeline-patterns/SKILL.md — Pattern 6 definition.
  • sk-spec-driven-development/SKILL.md — SDD handoff rules.
  • sk-claude-code-conventions/SKILL.md — Scaling and model selection.
Install via CLI
npx skills add https://github.com/gustavo-meilus/superpipelines --skill sk-4d-method
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