I built a 55K-word email marketing knowledge base and Claude Code skill
I co-founded SmartrMail (email marketing SaaS, 12K ecommerce customers, acquired 2022). When I left, I no longer had access to the sending data I'd spent years learning from, billions of sent emails, deliverability patterns, things that actually move email engagement Cos' I don't have this data anymore, I built the best thing I could to help with the email marketing I currently do: --- my research process Multiple sprints across all major email marketing topics. The crawler pulled 908 sources: Litmus, Klaviyo, HubSpot, Campaign Monitor, and Salesforce annual reports; practitioner blogs;…
I built a 55K-word email marketing knowledge base and Claude Code skill launched on February 21, 2026 with 10 votes, #1,046 of 16,627 launches that month and more than 90% of that year's launches.
In plain words
A former SmartrMail co-founder created a comprehensive email marketing knowledge base compiled from 908 sources including industry platforms, practitioner blogs, and academic research. The resource contains 4,798 discrete insights organized across 16 chapters totaling 55,000 words, with every claim sourced and unsupported opinions excluded. It serves email marketers seeking research-backed guidance on deliverability, engagement, and campaign strategy without access to proprietary sending data.
written from the facts on this page · September 2026
From the sources
A comprehensive, data-backed email marketing guide built from 908 sources and 4,798 extracted insights. 16 chapters. 44 expert practitioners cited. 19 industry playbooks. Honest platform comparisons with zero affiliate links. Install it as a Claude Code skill with one command, and Claude becomes an email marketing co-pilot that audits your setup, drafts sequences, pulls industry benchmarks, and gives recommendations grounded in real sources. Free. Open-source. No paywall. No email gate.
The AI email automation skill for Claude and any agent. Build flows, draft on-brand copy, fix deliverability, and run your ESP from your AI. 908 sources, 19 industry playbooks, 47 best email designs. Free and open source.
Audit, build, fix, send. Your agent does the work. The skill knows what good looks like. Install the Email Marketing Bible as a skill and your AI stops guessing. It audits your setup, builds your welcome, cart and win-back flows, drafts copy in your voice instead of slop, and tells you why you are in spam. Built on 908 sources and a decade running an email platform, so the agent works from evidence, not vibes. 908 sources · 19 chapters · 19 industry playbooks · 47 curated email designs · free and open source · updated 8 September 2026. It reads your account and names the gaps in your flows, segments, deliverability and compliance. Welcome, cart,…from emailmarketingskill.com
In the maker’s words, at launch
I co-founded SmartrMail (email marketing SaaS, 12K ecommerce customers, acquired 2022). When I left, I no longer had access to the sending data I'd spent years learning from, billions of sent emails, deliverability patterns, things that actually move email engagement Cos' I don't have this data anymore, I built the…
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