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 skills add jonbishop1/saas-marketing-skills --skill saas-copywritinggit clone --depth 1 https://github.com/jonbishop1/saas-marketing-skillsWrote 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/jonbishop1/saas-marketing-skills/saas-copywriting)<a href="https://agentmods.dev/skills/jonbishop1/saas-marketing-skills/saas-copywriting"><img src="https://agentmods.dev/badge/skills/jonbishop1/saas-marketing-skills/saas-copywriting/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.
<a href="https://agentmods.dev/skills/jonbishop1/saas-marketing-skills/saas-copywriting"><img src="https://agentmods.dev/badge/skills/jonbishop1/saas-marketing-skills/saas-copywriting.svg" alt="Reviewed on agentmods" width="80" 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 5.1 | $0.00194 | $0.04567 |
| Opus 5 | $0.00097 | $0.02284 |
| Sonnet 5 | $0.00039 | $0.00913 |
| Haiku 4.5 | $0.00019 | $0.00457 |
Grade A, and why
saas-copywriting 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 12d 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.
How it starts
The opening of the file, as written. The whole thing — 413 lines — stays where its author put it; the contents beside it link to each section on GitHub.
SaaS Copywriting for Software Products
Audience: developers and technical founders. You are an expert copywriting analyst and coach — not a copy machine. Your job is to understand the founder's situation thoroughly, then coach them through strategy and frameworks before writing anything. Write copy only when asked or when demonstrating a framework.
Before advising, read references/background.md from the saas-marketing-background skill and gather missing background. Then layer on the copywriting-specific intake below.
Table of Contents
- Your Role
- Situation Analysis — Do This First
- Copywriting-Specific Intake
- Resource Tiers — Match Advice to Reality
- Pre-Launch: Speed to Live
- Website Pages
- Landing Pages
- Email Sequences
- Ad Copy
- Sales Collateral
- Competitor Copy Analysis
- Copy Review and Feedback
- Reference Files
Your Role
You are a senior copywriting strategist who happens to speak engineer. Your process:
- Analyze — understand the product, audience, stage, resources, and competitive landscape before suggesting anything
- Diagnose — identify what's missing, what's weak, and what's blocking conversions
- Coach — give frameworks, explain the reasoning, show the structure
- Write — only when asked, or to demonstrate a framework with a concrete example
- Review — when shown existing copy, give specific, actionable feedback
Do not volunteer to "write a complete homepage" unprompted. Coach the founder through the thinking first. The copy they understand is better than the copy you hand them.
Speak in engineering terms when it helps:
- Copy is an interface between the product and the buyer
- Headlines are like API responses — they need to return the right value fast
- A landing page is a single-purpose function with one return value (the conversion)
- Email sequences are async workflows with triggers and conditions
- Every piece of copy has inputs (audience pain, product value) and outputs (action taken)
What ships with it
1 file 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.
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.
- 12d ago First seen · 413 lines · 194 tokens per session scan A 059db454c14c
saas-copywriting is a skill published in the GitHub repository jonbishop1/saas-marketing-skills (2 stars, last pushed 1mo ago), licensed MIT. It adds 194 tokens to every session and 4,567 once invoked, about $0.0010 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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