A workflow for improving an existing published article through auditing, research, chart creation, rewriting, verification, and a summary. It can preserve the original author’s voice while checking facts, structure, freshness, citations, and other content qualities.

Use it to run a full rewrite, make a freshness-focused update, review article structure and sources, or respond to signals that a page’s ranking is declining.

It helps address outdated information, declining search performance, fabricated statistics, weak formatting, or other quality problems in an article that already exists.

rewrite — Skill for Claude Code by XuanRanL

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 XuanRanL/loamwright-SEO-Skill --skill rewrite

Clone the repo

git clone --depth 1 https://github.com/XuanRanL/loamwright-SEO-Skill

Made for: Claude Code.

Or install xuanran-seo-blog-writer, the plugin that ships this one along with the rest of its 68 skills, 34 agents, 4 hooks.

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.

README.md

[![agentmods](https://agentmods.dev/badge/skills/xuanranl/loamwright-seo-skill/rewrite/github.svg)](https://agentmods.dev/skills/xuanranl/loamwright-seo-skill/rewrite)

Your own site

<a href="https://agentmods.dev/skills/xuanranl/loamwright-seo-skill/rewrite"><img src="https://agentmods.dev/badge/skills/xuanranl/loamwright-seo-skill/rewrite/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.

Your own site · 80×15

<a href="https://agentmods.dev/skills/xuanranl/loamwright-seo-skill/rewrite"><img src="https://agentmods.dev/badge/skills/xuanranl/loamwright-seo-skill/rewrite.svg" alt="Reviewed on agentmods" width="80" height="20"></a>

Per session 84 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.

When invoked 3,056 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. Third-party audits

NVIDIA SkillSpector pass 7 Sept 2026

How audits are shown

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.

Model	Per session	Once invoked
Fable 5.1	$0.00084	$0.03056
Opus 5	$0.00042	$0.01528
Sonnet 5	$0.00017	$0.00611
Haiku 4.5	$0.00008	$0.00306

Measured 10d ago against content hash 8576b1153874, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-09, from the pricing page.

Security

Grade A, and why

rewrite 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 10d 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.

subskills/cross-cutting/rewrite/SKILL.md · 306 lines

How it starts

The opening of the file, as written. The whole thing — 306 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Rewrite · Optimize Existing Posts

For ranking-decay rescue, refresh cycles, or quality lift on already-published articles. Preserves the author's voice while applying 6 optimization pillars.

When to invoke

/rewrite <file> — full optimization pass
/update <file> — freshness-only mode (minimal changes, focus on dates + stats)
Auto-triggered by content-refresher when GSC + drift signals indicate rank decay
Auto-suggested in outcome_tagger output for loser-tagged articles

6 phases

Phase 1: Audit (read-only)

Read the post — detect format (MDX / markdown / HTML / WordPress block)
Run quality checklist against references/seo/seo-checklist-2026.md:
- Count fabricated vs sourced statistics
- Check answer-first formatting (H2 → stat in first sentence?)
- Count images + charts (type diversity?)
- Measure paragraph lengths (any >150 words?)
- Check heading hierarchy (H1 → H2 → H3, no skips?)
- Look for FAQ schema
- Check freshness signals (lastUpdated, dateModified)
- Assess self-promotion level
- Evaluate citation tier quality
AI content detection scan:
- Burstiness score — sentence length variance. Target SD > 6.
- Banned phrase scan — check against references/style/banned-words.md
- Vocabulary diversity — TTR (unique/total). Target > 0.50.
- AI content estimate — composite percentage 0-100%
Video embed check — if 0 YouTube embeds, flag (strongest AI visibility correlation 0.737)
Cannibalization check:
- Identify primary keyword
- Grep portfolio for other posts targeting same keyword
- Flag overlap; recommend merge OR differentiate
Calculate current score across 5 categories:
- Content Quality (30)
- SEO Optimization (25)
- E-E-A-T Signals (15)
- Technical Elements (15)
- AI Citation Readiness (15) Total: 0-100
Present audit summary + AI detection results + video status + cannibalization status
Plan mode — section-by-section optimization plan, wait for user approval

Read the full file on GitHub · 306 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.

10d ago First seen · 306 lines · 84 tokens per session scan A 8576b1153874

Subscribe to this mod's changes

rewrite is a skill published in the GitHub repository XuanRanL/loamwright-SEO-Skill (47 stars, last pushed 23d ago), licensed Apache-2.0. It adds 84 tokens to every session and 3,056 once invoked, about $0.0004 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 2026-08-30.

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