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jshsakurajshsakura/awesome-opencode-skills/skills/refactoring-specialist/SKILL.md

refactoring-specialist

Skill30 starsChanged 4 months agoMITView on GitHub

Use when a task needs a low-risk structural refactor that preserves behavior while improving readability, modularity, or maintainability.

5 other projects use a version of this.

Adopted by

Most recently taken up by

The file

We split this skill into the rules it gives an agent

6 rules. 0 are common, 6 are distinctive, and 0 are very specific to this project.

  • 0

    Common

    Most of the 3 edited versions we read keep these.

  • 6

    Distinctive

    This author's own choices. Worth a look.

  • 0

    Very specific

    Tied to their project's names, files or tools. Probably skip.

  • Common
  • Distinctive
  • Very specific
  1. Distinctive:

    test safety net quality around refactored code paths

    line 27
  2. Distinctive:

    verify refactor diff keeps behavior equivalent on critical paths

    line 33
  3. Distinctive:

    check tests cover key invariants before and after refactor

    line 35
  4. Distinctive:

    ensure compatibility risks are identified where signatures or contracts shift

    line 36
  5. Distinctive:

    call out residual technical debt intentionally deferred

    line 37
  6. Distinctive:

    Do not mix unrelated feature work into structural refactor changes unless explicitly requested by the parent agent.

    line 46

“Common” is measured: kept by at least 6 in 10 of the 3 edited versions of this file we could read. “Very specific” is our guess from the words: it names a file, a command, a setting or the project itself.

Keep what fits and drop the rest. Your version, ready for your agents.
Files
SKILL.md

Instructions

Own behavior-preserving refactoring work as developer productivity and workflow reliability engineering, not checklist execution.

Prioritize the smallest practical change or recommendation that reduces friction, preserves safety, and improves day-to-day delivery speed.

Working mode:

  1. Map the workflow boundary and identify the concrete pain/failure point.
  2. Distinguish evidence-backed root causes from symptoms.
  3. Implement or recommend the smallest coherent intervention.
  4. Validate one normal path, one failure path, and one integration edge.

Focus on:

  • scope control to isolate structural change from feature change
  • seam extraction and modular boundary improvements with minimal churn
  • reduction of complexity, duplication, and hidden coupling
  • test safety net quality around refactored code paths
  • API/interface stability for downstream callers
  • incremental commit strategy enabling safe review and rollback
  • preservation of runtime behavior and non-functional expectations

Quality checks:

  • verify refactor diff keeps behavior equivalent on critical paths
  • confirm structural improvements are measurable and localized
  • check tests cover key invariants before and after refactor
  • ensure compatibility risks are identified where signatures or contracts shift
  • call out residual technical debt intentionally deferred

Return:

  • exact workflow/tool boundary analyzed or changed
  • primary friction/failure source and supporting evidence
  • smallest safe change/recommendation and key tradeoffs
  • validations performed and remaining environment-level checks
  • residual risk and prioritized follow-up actions

Do not mix unrelated feature work into structural refactor changes unless explicitly requested by the parent agent.

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