skill-composer

Modular workflow builder that chains skills into compound pipelines.

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Install skill "skill-composer" with this command: npx skills add whynowlab/stack-skills/whynowlab-stack-skills-skill-composer

Skill Composer

Modular workflow builder that chains skills into compound pipelines.

Core principle: Feature Layer + Persona Layer separation, modular addon composition

Rules (Absolute)

  • Separation of concerns. Every skill in a pipeline has exactly one responsibility. No skill does two things.

  • Explicit data flow. The output of skill N must be defined input for skill N+1. No implicit state.

  • Composability over complexity. Prefer chaining 3 simple skills over creating 1 complex one.

  • Layer isolation. Function layer (what to do) is separate from persona layer (how to communicate).

  • Fail-forward. If one skill in the pipeline fails, the pipeline should degrade gracefully, not crash.

Architecture

Two-Layer Model

Inherited from the 기본설정 에드온 system's modular design:

┌─────────────────────────────────────┐ │ Persona Layer │ │ (tone, style, communication mode) │ │ e.g., concise / detailed / Korean │ ├─────────────────────────────────────┤ │ Function Layer │ │ (what the workflow actually does) │ │ Skill A → Skill B → Skill C │ └─────────────────────────────────────┘

  • Function Layer: The pipeline of skills that process the task

  • Persona Layer: Communication style applied uniformly across all steps

Pipeline Patterns

Sequential Pipeline

[Input] → Skill A → Skill B → Skill C → [Output]

Each skill transforms the output of the previous one.

Example: Research → Analyze → Review

pipeline: research-then-review steps: 1: { skill: cross-verified-research, input: "$TOPIC" } 2: { skill: deep-dive-analyzer, input: "step.1.output" } 3: { skill: adversarial-review, input: "step.2.output" }

Fork-Join Pipeline

     ┌→ Skill B ─┐

[Input] →│ │→ Merge → [Output] └→ Skill C ─┘

Parallel analysis merged into unified output.

Example: Multi-perspective evaluation

pipeline: multi-perspective steps: 1: { skill: creativity-sampler, input: "$DECISION" } 2a: { skill: adversarial-review, input: "step.1.option_chosen", parallel: true } 2b: { skill: cross-verified-research, input: "step.1.option_chosen", parallel: true } 3: { merge: ["step.2a", "step.2b"], format: "comparison-table" }

Iterative Pipeline

[Input] → Skill A → [Check] → Pass? → [Output] ↓ No Skill B → Skill A (retry)

Loop until quality gate passes.

Example: Write-review-refine cycle

pipeline: quality-loop steps: 1: { skill: implement, input: "$TASK" } 2: { skill: adversarial-review, input: "step.1.output" } 3: { gate: "step.2.verdict == PASS", retry: 1, max_retries: 2 }

Process

Step 1: Identify the Goal

What is the end-to-end outcome?

  • "Evaluate a technology choice with full rigor"

  • "Design, implement, and validate a feature"

  • "Research, decide, and document an architecture decision"

Step 2: Select Skills

Browse available skills and select those that map to pipeline stages:

Category Available Skills

Research cross-verified-research , search-first

Creativity creativity-sampler , brainstorming

Analysis deep-dive-analyzer , adversarial-review

Testing tiered-test-generator

Persona persona-architect

Planning writing-plans , plan

Review code-review , full-review

Step 3: Define Data Flow

For each transition between skills, specify:

  • What data flows from skill N to skill N+1

  • What format the data should be in

  • Whether the transition is automatic or requires user approval

Step 4: Build the Pipeline

Write the pipeline as a sequence of skill invocations with clear handoff points.

Output Format

Workflow: [Name]

Goal

[What this workflow achieves]

Pipeline

[Step 1] ──→ [Step 2] ──→ [Step 3] ──→ [Output] skill skill skill

Steps

Step 1: [Name] (skill: [skill-name])

  • Input: [what it receives]
  • Action: [what it does]
  • Output: [what it produces]
  • Gate: [pass/fail criteria, if any]

Step 2: [Name] (skill: [skill-name])

...

Execution Notes

  • [Any special considerations]
  • [User approval points]
  • [Fallback behavior]

Pre-Built Workflows

  1. Full-Rigor Decision

creativity-sampler → cross-verified-research → adversarial-review

Generate options → verify facts → stress-test the choice.

  1. Research-to-Architecture

cross-verified-research → creativity-sampler → adversarial-review → architecture ADR

Research the domain → explore approaches → challenge the choice → document the decision.

  1. Implementation Quality Gate

implement → tiered-test-generator → adversarial-review → [merge/reject]

Build it → generate tests → review it → gate the merge.

  1. Deep Learning Pipeline

deep-dive-analyzer → tiered-test-generator → [assess gaps] → deep-dive-analyzer (retry)

Analyze deeply → test understanding → fill gaps → iterate.

When to Use

  • Tasks that span multiple concerns (research + decide + validate)

  • When you want a repeatable, named workflow

  • When quality gates between steps are needed

  • When multiple skills should work together in a defined sequence

Integration Notes

  • With persona-architect: Design a persona with persona-architect first, then inject it as the Persona Layer of your composed workflow. The composer's Persona Layer slot is where persona-architect output goes.

  • With cross-verified-research: Most common first step in decision pipelines

  • With adversarial-review: Most common final step as a quality gate

When NOT to Use

  • Simple tasks where a single skill suffices

  • When the workflow is obvious and doesn't need formal definition

  • One-off tasks that won't be repeated

Source Transparency

This detail page is rendered from real SKILL.md content. Trust labels are metadata-based hints, not a safety guarantee.

Related Skills

Related by shared tags or category signals.

Research

cross-verified-research

No summary provided by upstream source.

Repository SourceNeeds Review
General

adversarial-review

No summary provided by upstream source.

Repository SourceNeeds Review
General

creativity-sampler

No summary provided by upstream source.

Repository SourceNeeds Review
General

persona-architect

No summary provided by upstream source.

Repository SourceNeeds Review