Email Marketing Bible · Office #38,357

What it is

Calls itself “skill”.

• Calls itself: skill

“The email marketing skill for Claude, ChatGPT and any agent you run.”

Where it puts itself

Claims “fastest”. Publishes a comparison page.

• Superlative claim: fastest

“It's full stack email automation inside your AI agent, not an email marketing tool with AI added.”

“Nitrosend is the fastest email platform that works where you work.”

What it costs

A free tier, free forever.

• Free plan: free forever

“Is it free? Yes. It is MIT licensed”

“The Email Marketing Bible by George Hartley: a free, MIT-licensed email marketing skill for Claude”

Who it sells to

Sells to developers.

• Sells to: developers

“Nitrosend MCP → Connect Claude, ChatGPT, Codex, Cursor or Gemini and run the whole email stack from a prompt.”

How it runs

A API. Hosted in the cloud. Distributed through the Figma. Offers an API. Open source. AI is the core of the product.

• Kind: api
• Runs where: cloud / hosted
• Distributed via: Figma
• API: yes
• Open source: yes
• AI role: core to the product

“Nitrosend MCP → Connect Claude, ChatGPT, Codex, Cursor or Gemini and run the whole email stack from a prompt.”

“Nitrosend is the fastest email platform that works where you work.”

What it works with

Integrates with Klaviyo and Nitrosend. Names ChatGPT, Claude and 3 more on its pages.

• Integrates with: Klaviyo · Nitrosend
• Names: ChatGPT · Claude · Codex · +2

“The Email Marketing Bible by George Hartley: a free, MIT-licensed email marketing skill for Claude, ChatGPT and any agent.”

“Using ChatGPT, Codex or Cursor? Point it at the raw SKILL.md.”

What it offers as proof

Live, no waitlist. Claims “908 sources”. Compliance: GDPR. Try it without signing up. Publishes docs, a blog and a careers page.

• Number claimed: 908 sources
• Compliance: GDPR
• Instant signup: yes
• Trial asks for: nothing

“Start free”

“908 sources, 19 chapters.”