content-writer

content-writer is a skill for Claude Code, Codex from nowork-studio/notfair-plugin. It costs 137 tokens per session (3,340 once invoked), scanned C, original, MIT.

A content-writing guide for SEO-focused blog posts, landing pages, and page improvements; SEO means making content easier for search engines and readers to find.

In plain words
What is it for?
Use it to create or improve blog articles, service pages, product pages, pricing pages, and location pages.
Why use it?
It helps turn a topic or existing page into useful, search-oriented content with editorial standards and evidence-based claims.

Skill for Claude CodeCodex

Part of the notfair plugin — 52 skills, 1 MCP server shipped together

About the project

NotFair Plugin is a collection of open-source SEO, generative-engine-optimization, and marketing workflows that AI agents can follow. It helps agents audit websites, analyze search and advertising data, plan campaigns, and make reviewable marketing changes; the catalogue entries are its skills, instructions, MCP connection, and plugin.

nowork-studio/notfair-plugin · 3,451 stars · on GitHub · notfair.co

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.

agentmods
npx agentmods add skills/nowork-studio/notfair-plugin/content-writer
Any agent
npx skills add nowork-studio/notfair-plugin --skill content-writer
Clone the repo
git clone --depth 1 https://github.com/nowork-studio/notfair-plugin

Made for: Claude Code, Codex.

Or install notfair, the plugin that ships this one along with the rest of its 52 skills, 1 MCP server.

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 content-writer

README.md
[![agentmods](https://agentmods.dev/badge/skills/nowork-studio/notfair-plugin/content-writer.svg)](https://agentmods.dev/skills/nowork-studio/notfair-plugin/content-writer)
Your own site
<a href="https://agentmods.dev/skills/nowork-studio/notfair-plugin/content-writer"><img src="https://agentmods.dev/badge/skills/nowork-studio/notfair-plugin/content-writer.svg" alt="Measured on agentmods" height="20"></a>
Per session 137 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 3,340 The whole file, excluding the scripts and references it only reads on demand.
Security scan C 2 findings. Scan, not verified.
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 $0.00137 $0.03340
Opus 5 $0.00068 $0.01670
Sonnet 5 $0.00027 $0.00668
Haiku 4.5 $0.00014 $0.00334

Measured 6d ago against content hash 79bd7797467e, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-05, from the pricing page.

Security

Grade C, and why

content-writer scanned grade C with 2 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 6d 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.

Reads agent configuration directoriesmediumAgent snooping

.claude/, .codex/, .gemini/ hold keys, settings and other credentials a mod has no legitimate need for.

CONTENT_REF=$(find ~/.claude/plugins ~/.claude/skills ~/.codex/skills .agents/skills -name "content-writing.md" -path "*content-writer*" 2>/dev/null | head -1)

Enumerates other installed skillsmediumAgent snooping

Other skills' SKILL.md files reveal prompts, capabilities and secrets that should be invisible to peers.

CONTENT_REF=$(find ~/.claude/plugins ~/.claude/skills ~/.codex/skills .agents/skills -name "content-writing.md" -path "*content-writer*" 2>/dev/null | head -1)
seo/content-writer/SKILL.md · 339 lines

How it starts

The opening of the file, as written. The whole thing — 339 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Content Writer

You are NotFair's senior content strategist — the "unfair" SEO/Ads agent. You write content that ranks on Google AND genuinely helps readers. You combine SEO best practices with strong editorial standards. Every piece must pass Google's "helpful content" bar — it should be the last click the reader needs.

The editorial bar for blog posts is set by NotFair's own posts (see facebook-seo-optimization as a reference): hook-driven title, opinionated opening that breaks reader expectation, table of contents, ≥ 1000 words, featured image plus 3+ inline images, data-backed claims, and a clear takeaway in every section. Do not ship work below that bar.

You handle three jobs:

  1. New blog post — from a keyword or topic
  2. New landing page — service, product, location, or comparison page
  3. Content improvement — audit and rewrite an existing page

Step 1 — Determine the Job

Infer from the user's message. If obvious, skip asking.

Signals:

  • "blog post about X", "how-to guide", "article about X", "listicle" → Blog post
  • "landing page", "service page", "product page", "pricing page", "location page" → Landing page
  • "improve this page", "rewrite", "make this better", URL or file path provided → Content improvement

If ambiguous: "Are you looking for a blog post (educational), a landing page (conversion-focused), or improving an existing page?"


Step 2 — Gather Context

Collect what you need. Don't ask for things you can infer.

For new content (blog post or landing page):

  • Target keyword (required) — the primary query to rank for
  • Audience — who is this for?
  • Site/brand context — what does the business do, value prop?
  • Existing pages — related pages on the site to link to?
  • Competitors — what currently ranks? (offer to research if you have web access)

For content improvement:

  • The content — read the existing page (URL via firecrawl/web, or file path)
  • Target keyword — ask if not obvious from the content
  • Goal — better rankings, better conversion, or both?

Read the full file on GitHub · 339 lines

Files

What ships with it

2 files beside SKILL.md in the same directory: the scripts, references and assets a skill reads on demand. Not counted in the per-session cost; read them before you install if any of them is executable.

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. 6d ago First seen · 339 lines · 137 tokens per session scan C 79bd7797467e

Subscribe to this mod's changes

content-writer is a skill published in the GitHub repository nowork-studio/notfair-plugin (3,451 stars, last pushed 7d ago), licensed MIT. It adds 137 tokens to every session and 3,340 once invoked, about $0.0007 per session on Opus 5. A static security scan graded it C with 2 findings (reads agent configuration directories, enumerates other installed skills). No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-30.

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