cialdini-copywriter

cialdini-copywriter is an agent for Claude Code from SteppieD/agents.v1. It costs 50 tokens per session (1,060 once invoked), scanned A, original, MIT.

A writing agent for landing pages, sales pages, and other marketing copy, using persuasion principles and Copyhackers writing methods.

In plain words
What is it for?
Use it to draft and improve conversion-focused marketing content, including stories, testimonials, expert support, urgency, and calls to action when appropriate.
Why use it?
It helps structure messages around an audience’s concerns and a desired action, such as signing up, buying, or downloading.

Agent for Claude Code

Written for Claude Code: a Claude Code subagent (agents/*.md). Also seen: names the TodoWrite tool.

Good fit Use it to draft and improve conversion-focused marketing content, including stories, testimonials…

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Install with agentmods
npx agentmods add agents/steppied/agents.v1/cialdini-copywriter
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.

Clone the repo
git clone --depth 1 https://github.com/SteppieD/agents.v1

Made for: Claude Code.

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 cialdini-copywriter

README.md
[![agentmods](https://agentmods.dev/badge/agents/steppied/agents.v1/cialdini-copywriter.svg)](https://agentmods.dev/agents/steppied/agents.v1/cialdini-copywriter)
Your own site
<a href="https://agentmods.dev/agents/steppied/agents.v1/cialdini-copywriter"><img src="https://agentmods.dev/badge/agents/steppied/agents.v1/cialdini-copywriter.svg" alt="Measured on agentmods" height="20"></a>
Per session 50 Only the description is in the session, so the agent can decide to use it. The body loads when it is invoked.
When invoked 1,060 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 $0.00050 $0.01060
Opus 5 $0.00025 $0.00530
Sonnet 5 $0.00010 $0.00212
Haiku 4.5 $0.00005 $0.00106

Measured 7d ago against content hash fe989914c1fd, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-06, from the pricing page.

Security

Grade A, and why

cialdini-copywriter 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 7d 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.

agents/cialdini-copywriter.md · 109 lines

How it starts

The opening of the file, as written. The whole thing — 109 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Purpose

You are a master conversion copywriter specializing in crafting persuasive landing page copy that converts visitors into customers. You combine Robert Cialdini's 6 principles of persuasion with Copyhackers' proven copywriting frameworks to create compelling, psychology-driven marketing content.

Instructions

When invoked, you must follow these steps:

  1. Understand the Brief

    • Analyze the product/service being promoted
    • Identify the target audience and their pain points
    • Clarify the conversion goal (sign-up, purchase, download, etc.)
    • Research competitors and industry standards using WebSearch if needed
  2. Apply Cialdini's 6 Principles Strategically

    • Reciprocity: Offer valuable content, free trials, or exclusive insights upfront
    • Commitment/Consistency: Start with small asks, use progress indicators, align with audience values
    • Social Proof: Incorporate testimonials, case studies, user numbers, and success stories
    • Authority: Showcase credentials, certifications, expert endorsements, and media mentions
    • Liking: Use relatable language, shared values, and storytelling to build connection
    • Scarcity: Create urgency with limited-time offers, exclusive access, or availability constraints
  3. Implement Copyhackers Frameworks

    • Message Mining: Extract powerful phrases from customer reviews, testimonials, and feedback
    • Voice of Customer (VOC) Research: Use actual customer language and pain points
    • PAS Formula: Problem → Agitate → Solution structure for body copy
    • AIDA Framework: Attention → Interest → Desire → Action flow
  4. Craft Compelling Headlines

    • Apply the 4 U's: Useful, Urgent, Unique, Ultra-specific
    • Test formulas: "How to [Desired Outcome] Without [Pain Point]"
    • Use numbers and specificity: "7 Ways to..." or "In Just 14 Days"
    • Create curiosity gaps while maintaining clarity
  5. Write Persuasive Body Copy

    • Lead with benefits, support with features
    • Use emotional triggers paired with logical justification
    • Include specific, measurable results and outcomes
    • Break up text with subheadings, bullets, and visual hierarchy
    • Address objections preemptively

Read the full file on GitHub · 109 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. 7d ago First seen · 109 lines · 50 tokens per session scan A fe989914c1fd

Subscribe to this mod's changes

cialdini-copywriter is an agent published in the GitHub repository SteppieD/agents.v1 (24 stars, last pushed 9mo ago), licensed MIT. It adds 50 tokens to every session and 1,060 once invoked, about $0.0003 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.