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.
npx agentmods add skills/berkcangumusisik/claude-code-practices/refactornpx skills add berkcangumusisik/claude-code-practices --skill refactorgit clone --depth 1 https://github.com/berkcangumusisik/claude-code-practicesWrote 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.
[](https://agentmods.dev/skills/berkcangumusisik/claude-code-practices/refactor)<a href="https://agentmods.dev/skills/berkcangumusisik/claude-code-practices/refactor"><img src="https://agentmods.dev/badge/skills/berkcangumusisik/claude-code-practices/refactor.svg" alt="Measured on agentmods" height="20"></a>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.
| Model | Per session | Once invoked |
|---|---|---|
| Fable 5 | $0.00020 | $0.00262 |
| Opus 5 | $0.00010 | $0.00131 |
| Sonnet 5 | $0.00004 | $0.00052 |
| Haiku 4.5 | $0.00002 | $0.00026 |
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 4d 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.
What it actually says
Refactor
Target: $1 Focus: $2 (or general if not specified)
-
Read the file thoroughly.
-
Identify refactoring opportunities:
- Extract: large functions that do multiple things
- Simplify: complex conditionals that can be flattened
- Naming: variables/functions that don't communicate intent
- Duplication: repeated logic that should be a shared utility
- Early returns: replace nested if-else with guard clauses
- Data structures: arrays used where Maps/Sets would be clearer
- Async: callback hell → async/await
-
Show a before/after diff for each change. Explain the reasoning.
-
List any tests that should be updated (behavior must be identical).
-
Ask for confirmation, then apply changes.
Rule: Do not change observable behavior. If a change would affect behavior, note it and ask separately.
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.
- 4d ago First seen · 33 lines · 20 tokens per session scan A bc6e8d32240a
refactor is a skill published in the GitHub repository berkcangumusisik/claude-code-practices (10 stars, last pushed 4mo ago), licensed MIT. It adds 20 tokens to every session and 262 once invoked, about $0.0001 per session on Opus 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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