cosmoblk/email-marketing-bible · SKILL.md

email-marketing-bible skillA

email-marketing-bible is agent-read markdown (skill) from cosmoblk/email-marketing-bible: Data-backed email marketing skill for AI agents. Use when building or running email automation, driving an ESP from an agent (MCP/connectors), diagnosing deliverability, writing or de-slopping email copy, designing emails, choosing a platform, or pulling benchmarks. Covers AI email automation, flows, deliverability, copywriting, segmentation, compliance, cold email, WhatsApp, SMS and RCS, and 19 industry playbooks..

Indexed from public GitHub and served as immutable, content-addressed versions. Install it pinned to an exact SHA-256 with the mdr CLI, and every file is verified against the hash recorded here before it reaches your agent. The deterministic audit below grades the latest version, and the same file always earns the same grade.

How to install

Latest version
mdr add cosmoblk/email-marketing-bible/email-marketing-bible@v2.6
Exact content
mdr add cosmoblk/email-marketing-bible/email-marketing-bible@sha256:55a8391b7576c6d1

Pin to a label to follow the author's releases, or to a sha256 to freeze the exact bytes forever. Either way the resolved hash is written to mdr.lock, and mdr install reproduces it on any machine.

Badge

mdr badge

[![mdr](https://markdownregistry.com/badge/art_btg4duvxyeerb5sb.svg)](https://markdownregistry.com/a/art_btg4duvxyeerb5sb)

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Versions

versioncommittedcommitsizeaudit
v2.6 latest2026-06-30 ff526b0 33,905 BA view · diff
v2.52026-06-15 64e6630 28,539 BA view · diff
v2.02026-04-13 100faa5 41,558 BA view · diff
v1.02026-03-16 df9903c 21,355 BA view · diff
v1.02026-03-10 ba0c039 21,265 BA view

Audit of the latest version

A  17 of 17 checks passed. Deterministic, no model, same answer every run.
  • pass: Frontmatter block present
  • pass: Frontmatter declares a name
  • pass: Frontmatter declares a description
  • pass: Size between 200 bytes and 200 KB (33905 bytes)
  • pass: No zero-width or bidi control characters
  • pass: No instruction hidden inside an HTML comment
  • pass: No link to an exfiltration or paste host
  • pass: No credential-shaped string
  • pass: No instruction to send local credentials anywhere
  • pass: No text hidden with inline styles
  • pass: No prompt-injection phrasing
  • pass: No curl or wget piped into a shell
  • pass: No recursive delete of root, home or parent
  • pass: No instruction to read or print local credentials
  • pass: No base64 blob over 200 characters
  • pass: No link to a raw IP address
  • pass: No script tag

Source

GitHub

cosmoblk/email-marketing-bible · 286 stars · license MIT · pushed 2026-06-30 · branch main

API

GET https://markdownregistry.com/api/v1/artifacts/art_btg4duvxyeerb5sb
GET https://markdownregistry.com/api/v1/resolve?ref=cosmoblk/email-marketing-bible/email-marketing-bible
GET https://markdownregistry.com/api/v1/blob/55a8391b7576c6d106b2572a228fe2c278d1c8c6ff0dedfcd907d22d646fbb17