Comments
>log in to commentI built the Email Marketing Bible because AI keeps spitting out generic, inaccurate email advice. It’s a free, MIT‑licensed skill that gives agents 908 sources, 19 chapters and tools to build flows, audit accounts, fix deliverability, write on‑brand copy, design emails, check compliance, and even handle cold outreach. Let me know what works and what could be better 😊
- Free, open‑source Email Marketing Bible built from 908 sources
- MCP‑native: any AI agent (Claude, ChatGPT, Gemini, etc.) can control email
- Full API: compose campaigns, flows, segments, templates, and send
- One‑install plugin for all Model Context Protocol agents
- Supports BYO sending providers (SES, Postmark, Mailgun, SendGrid)
- AI‑generated insights and deliverability reporting
Free MIT-licensed email marketing guide and AI skill that equips Claude, ChatGPT and other agents with email expertise.
- for
- Developers and AI agents building email flows, copy, and deliverability checks.
- pricing
- free
- license
- MIT
- v1.0Email Marketing Bible V1.07 months ago
Key features
- Flow generation — Creates complete welcome, abandoned cart, post-purchase and win-back email sequences with timing and copy.
- Account audit — Analyzes an existing email account and reports missing flows, segments and DNS issues.
- Deliverability analysis — Evaluates SPF, DKIM, DMARC, sender reputation and content to identify spam causes.
- Copywriting engine — Generates brand-consistent copy using conversion frameworks and removes generic AI phrasing.
- Design library — Provides 47 curated MJML/React Email designs with dark-mode and mobile support.
- Benchmark data — Offers open, click and revenue-per-email benchmarks per vertical from 19 industry playbooks.
- Compliance checks — Validates GDPR, CAN-SPAM, CASL and Australia’s Spam Act before sending.
- Multi-channel support — Includes guidelines for cold email, SMS, RCS and WhatsApp.
Use cases
- Generate a full welcome series for a new e-commerce store.
- Audit an existing Mailchimp account for missing segments and DNS errors.
- Diagnose why a campaign is landing in spam folders.
- Create on-brand email copy that passes anti-slop filters.
- Select a compliant template for a WhatsApp Business promotion.
Email Marketing Bible vs alternatives
| Best for | AI-augmented email strategy and automation | Email API for apps | Scalable email delivery | All-in-one marketing automation | Email API with tracking |
|---|---|---|---|---|---|
| Pricing | Free | Subscription | Subscription | Subscription | Subscription |
| DevHunt upvotes | 1 | 0 | 0 | 0 | 0 |
| Launched | Oct 2026 | — | — | — | — |
- Email Marketing Bible vs Resend: Provides an email API for developers, not a knowledge guide for AI agents.
- Email Marketing Bible vs SendGrid: Focuses on email delivery and marketing API, without AI skill integration.
- Email Marketing Bible vs Mailchimp: Full-featured marketing platform with UI, whereas the Bible is a free guide/skill.
- Email Marketing Bible vs Mailgun: Offers email sending, receiving and tracking API, not AI-driven strategy guidance.
Email Marketing Bible FAQ
What is the Email Marketing Bible?+
A free, MIT-licensed email marketing guide and AI skill that agents read before planning, writing or sending email.
Is it free?+
Yes, it is open source under the MIT license and can be used, forked or shipped without cost.
How do I install it?+
Run the provided git clone command for Claude or point any agent (ChatGPT, Codex, Cursor, etc.) at the raw SKILL.md on GitHub.
Do I need Nitrosend to use it?+
No, it works with any email platform such as Klaviyo, Mailchimp, Resend, beehiiv, Omnisend, or with no platform at all.
How often is it updated?+
The current version is v2.7, updated 8 September 2026; updates are pushed to the GitHub repo and can be pulled with git.
Summarized by DevHunt from nitrosend.com · Oct 7, 2026. Details may change; check the official site.