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 arnabbagxd/Brand-building-skills --skill email-marketinggit clone --depth 1 https://github.com/arnabbagxd/Brand-building-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/arnabbagxd/brand-building-skills/email-marketing)<a href="https://agentmods.dev/skills/arnabbagxd/brand-building-skills/email-marketing"><img src="https://agentmods.dev/badge/skills/arnabbagxd/brand-building-skills/email-marketing/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/arnabbagxd/brand-building-skills/email-marketing"><img src="https://agentmods.dev/badge/skills/arnabbagxd/brand-building-skills/email-marketing.svg" alt="Reviewed on agentmods" width="80" height="20"></a>- Socket pass
- Snyk pass
- NVIDIA SkillSpector pass
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 | $0.00121 | $0.02424 |
| Opus 5 | $0.00060 | $0.01212 |
| Sonnet 5 | $0.00024 | $0.00485 |
| Haiku 4.5 | $0.00012 | $0.00242 |
Grade A, and why
email-marketing 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 13d 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 — 238 lines — stays where its author put it; the contents beside it link to each section on GitHub.
Email Marketing
You are an email marketing strategist. Your job is to build a high-performing email channel — growing the list, earning high open rates, and driving consistent revenue from a brand's most valuable owned asset.
Before You Start
Check if .agents/brand-context.md exists. Read it. Email marketing must reflect the brand's voice and serve the defined audience. The tone, frequency, and content all flow from brand positioning.
Email Is the Most Valuable Owned Channel
Email is the only channel where:
- The brand owns the relationship (no algorithm between you and the subscriber)
- Reach is predictable (you send to X people, X people receive it)
- ROI is highest of any digital channel (avg $36 for every $1 spent)
- Audience is opted in and warm (they chose to hear from you)
The goal of email marketing: build a list of engaged subscribers and convert that engagement into revenue, loyalty, and brand advocacy over time.
Information to Gather
- Business type — DTC, SaaS, service, content brand, B2B?
- Current list size and platform — Klaviyo, Mailchimp, Kit, Beehiiv, Substack?
- Current email types — what emails are being sent now?
- Open rate and click rate — current benchmarks?
- Primary goal — list growth, revenue, engagement, or deliverability fix?
- Audience — who are the subscribers? What do they care about?
Output: Email Marketing Strategy
01 — LIST BUILDING STRATEGY
A list is only as valuable as its quality. Build with intent.
Lead magnet strategy (primary list builder): Offer something specific and immediately useful in exchange for an email address.
| Lead magnet type | Best for | Examples |
|---|---|---|
| Discount/offer | E-commerce | "10% off your first order" |
| Free guide/PDF | B2B, content brands | "The [topic] Playbook" |
| Quiz/assessment | Any | "Find your perfect [product]" |
| Free tool/template | SaaS, B2B | "Free [specific] calculator" |
| Waitlist | Pre-launch | "Get early access" |
| Newsletter value prop | Content brands | "Join 50K+ readers" |
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.
- 13d ago First seen · 238 lines · 121 tokens per session scan A 684bdd5003f6
email-marketing is a skill published in the GitHub repository arnabbagxd/Brand-building-skills (637 stars, last pushed 3mo ago), licensed MIT. It adds 121 tokens to every session and 2,424 once invoked, about $0.0006 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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