refactor

refactor is a skill for Claude Code, Codex from didacrios/ai-coding-protocols. It costs 65 tokens per session (858 once invoked), scanned A, original, MIT.

A code-improvement guide for making existing software easier to read, maintain, and align with coding standards.

In plain words
What is it for?
It is for refactoring code, lowering complexity, and applying agreed coding standards without changing what the program does.
Why use it?
It helps reduce complicated code while keeping the software's behaviour unchanged.

Skill for Claude CodeCodex

Written for no agent in particular: nothing here depends on one.

Good fit It is for refactoring code, lowering complexity, and applying agreed coding standards without changing what the program does.

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Install with agentmods
npx agentmods add skills/didacrios/ai-coding-protocols/refactor
Install

Getting it into your agent

One page per mod, every tool's command on it. A separate URL per tool would split the same page into five that compete with each other.

Any agent
npx skills add didacrios/ai-coding-protocols --skill refactor
Clone the repo
git clone --depth 1 https://github.com/didacrios/ai-coding-protocols

Made for: Claude Code, Codex.

Wrote this? Show the measurements

A badge with what this costs and how it scanned, read live from this page, so it follows the numbers instead of freezing them. Markdown for a README, HTML for a documentation site or a project page.

agentmods badge for refactor

README.md
[![agentmods](https://agentmods.dev/badge/skills/didacrios/ai-coding-protocols/refactor/github.svg)](https://agentmods.dev/skills/didacrios/ai-coding-protocols/refactor)
Your own site
<a href="https://agentmods.dev/skills/didacrios/ai-coding-protocols/refactor"><img src="https://agentmods.dev/badge/skills/didacrios/ai-coding-protocols/refactor/github.svg" alt="Measured on agentmods" height="20"></a>

Or the 80×15 button, for a site that already has a row of RSS and ATOM ones. Only the verdict fits; the numbers stay here.

agentmods 80×15 button for refactor

Your own site · 80×15
<a href="https://agentmods.dev/skills/didacrios/ai-coding-protocols/refactor"><img src="https://agentmods.dev/badge/skills/didacrios/ai-coding-protocols/refactor.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 65 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 858 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 0 findings. A grade says what 26 rules found in the file — not that it is safe.
Origin original No closer match found in the catalogue.
Token cost

What it costs to keep this loaded

Counted locally with the o200k_base tokenizer, which is exact for GPT models; Claude uses its own tokenizer and its counts differ. Treat this as one consistent yardstick across the catalogue rather than a bill. Prices are per million input tokens.

ModelPer sessionOnce invoked
Fable 5.1 $0.00065 $0.00858
Opus 5.5 $0.00026 $0.00343
Sonnet 5.5 $0.00013 $0.00172
Haiku 4.5 $0.00006 $0.00086

Measured 20d ago against content hash ce3f1ac28326, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade A, and why

refactor scanned grade A with 0 findings against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured 20d ago.

A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.

Nothing flagged

None of the 26 patterns this scan looks for appear in this file: no shell pipes, no recursive deletes, no credential paths, no hidden text, no instruction-override or anti-refusal phrasing, no agent-config snooping. That is not a guarantee, it is the absence of the things that are checkable.

skills/refactor/SKILL.md · 78 lines

How it starts

The opening of the file, as written. The whole thing — 78 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Surgical Refactoring Protocol

A protocol for safely improving code quality without changing external behavior. Combines recursive tracing with incremental, test-verified transformations.

When to Activate

  • Cleaning up code after a feature is complete
  • Reducing method length or cyclomatic complexity
  • Aligning existing code with stack standards
  • Extracting reusable logic from large methods
  • Renaming symbols to match domain language

Core Concepts

  • Behavior preservation — refactoring must not change external behavior
  • Test shield — green tests must exist before any refactoring begins
  • One method at a time — incremental changes, verified after each step
  • The "Clean 20" rule — methods over 20 lines are mandatory extraction targets

Detailed Guidance

Pre-Refactor Analysis

Before any modification, perform a recursive check:

  • Contracts: Identify all interfaces or types the current code implements by peeking into project files.
  • Consumers: Trace all methods that depend on this code to prevent breaking changes.
  • Test Shield: Verify that a green test suite exists. If missing, the first "Baby Step" must be creating a test.

Refactoring Targets (The "Clean 20" Rule)

Systematically apply these transformations:

  • Method Extraction: If a method > 20 lines, extract logical sub-tasks into private helpers (10-20 lines).
  • Complexity Flattening: Replace nested logic with early returns or collection pipelines (map/filter).
  • Naming Alignment: Rename symbols to match the domain language found in the relevant stack skill.
  • Type Strengthening: Replace mixed, any, or loose types with strict types or Value Objects.

Execution Protocol

  1. The "Shadow" Step: Propose the new architecture in a <thought> block. Explain how it aligns with the tracing rules in recursive-exploration.
  2. Incremental Apply: Refactor only ONE method at a time.
  3. Verify: Run tests after every single extraction to ensure the behavioral contract is intact.

Read the full file on GitHub · 78 lines

Changes

What this file has done since we first saw it

Hashed on every crawl. A supply-chain change to an agent config is a question of when, not whether, so the history is kept rather than the latest state alone.

  1. 20d ago Changed · +44 tokens per session ce3f1ac28326
  2. 2mo ago First seen · 78 lines · 21 tokens per session scan A ab61c4666f3e

Subscribe to this mod's changes

refactor is a skill published in the GitHub repository didacrios/ai-coding-protocols (2 stars, last pushed 5d ago), licensed MIT. It adds 65 tokens to every session and 858 once invoked, about $0.0003 per session on Opus 5.5. A static security scan graded it A with 0 findings. No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-31.

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