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mikiarlo3/ai-copywriter

An agent skill that writes marketing copy (headlines, descriptions, microcopy, subject lines) and removes common signs of AI-generated writing.

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What is it?

AI Copywriter is a portable agent skill written in plain Markdown. It covers two jobs that are usually handled by separate tools: writing attention-grabbing copy such as headlines, short product descriptions, button and error text, and email subject lines, and rewriting text so it no longer shows typical AI writing patterns.

The humanizer side is built on blader's Humanizer and keeps its 33 detectable patterns, covering things like inflated significance, vague attributions, excessive hedging, em dashes and boldface overuse. The copywriting side asks for the target reader, the product's category and the real story behind the copy before drafting, and returns multiple headline variants with a recommended pick.

Because the skill is a single SKILL.md file with no code or dependencies, it can be installed through the skills CLI, as a Claude Code plugin, or manually, and pasted into ChatGPT custom GPTs, Manus or any other LLM that accepts text instructions.

Key features

  • 01Writes headlines, meta descriptions, microcopy, subject lines and LinkedIn posts with variants across different angles.
  • 02Detects and rewrites 33 patterns of AI-generated writing, such as filler phrases and sycophantic tone.
  • 03Interviews the author for audience, category and real story before drafting to avoid invented facts.
  • 04Includes a template for strategic, category-defining blog posts.
  • 05Installs via the skills CLI, as a Claude Code plugin, or by copying the file into any agent harness.

Use cases

  • Generating headline and meta description options for a blog post or landing page.
  • Writing empty states, error messages and button labels for a product UI.
  • Rewriting drafts so they no longer read as obviously machine-written before publishing.
  • Drafting LinkedIn posts or launch announcements from a real experience and real numbers.

Quick start

  1. 1

    Install globally with the skills CLI

    npx skills add mikiarlo3/ai-copywriter --global
  2. 2

    Start a new agent session or reload skills after installation

  3. 3

    Invoke the skill and give it your raw material

    /ai-copywriter

Things to know

  • The skill interviews you for context before writing, so quick one-line requests may get follow-up questions instead of output.
  • Copy quality depends on your own real stories and numbers, since it will not invent product facts.

Topics

#ai-agent#copywriting#prompt-engineering#llm#markdown#writing#marketing

FAQ

What is ai-copywriter?
An agent skill that writes marketing copy (headlines, descriptions, microcopy, subject lines) and removes common signs of AI-generated writing. AI Copywriter is a portable agent skill written in plain Markdown. It covers two jobs that are usually handled by separate tools: writing attention-grabbing copy such as headlines, short product descriptions, button and error text, and email subject lines, and rewriting text so it no longer shows typical AI writing patterns.
Is ai-copywriter free to use? What license does it have?
ai-copywriter is open source under the MIT license. Check the license terms before using it in commercial products.
Is ai-copywriter still maintained?
Updated within 6 months. The last commit to ai-copywriter was on Aug 1, 2026.
What can I use ai-copywriter for?
Generating headline and meta description options for a blog post or landing page. Writing empty states, error messages and button labels for a product UI. Rewriting drafts so they no longer read as obviously machine-written before publishing. Drafting LinkedIn posts or launch announcements from a real experience and real numbers.
How do I install ai-copywriter?
Install globally with the skills CLI: npx skills add mikiarlo3/ai-copywriter --global Start a new agent session or reload skills after installation Invoke the skill and give it your raw material: /ai-copywriter
Where can I get ai-copywriter?
The source code and installation instructions are on GitHub: https://github.com/mikiarlo3/ai-copywriter

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