indranilbanerjee/digital-marketing-pro · skills/cohort-analysis/SKILL.md

cohort-analysis skillA

cohort-analysis is agent-read markdown (skill) from indranilbanerjee/digital-marketing-pro: Segment customers into cohorts — by acquisition period, channel, first behavior, or revenue tier — and produce a color-coded retention matrix, overlaid retention curves, LTV-by-cohort comparisons with LTV:CAC where cost data exists, best/worst cohort rankings with hypothesized drivers, stabilization-point analysis, and intervention recommendations for underperformers. Analyzes and recommends; it launches nothing. Triggers on "/digital-marketing-pro:cohort-analysis", "are newer customers retainin.

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 indranilbanerjee/digital-marketing-pro/cohort-analysis@git:20260812.b624042
Exact content
mdr add indranilbanerjee/digital-marketing-pro/cohort-analysis@sha256:7c7ca07b1ab44d22

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_gnlow7z266yrprh3.svg)](https://markdownregistry.com/a/art_gnlow7z266yrprh3)

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Versions

versioncommittedcommitsizeaudit
git:20260812.b624042 latest2026-08-12 b624042 11,292 BA view · diff
git:20260709.294ff622026-07-09 294ff62 10,567 BA view · diff
git:20260508.d4086892026-05-08 d408689 10,176 BA view · diff
git:20260330.6a584192026-03-30 6a58419 10,138 BA view · diff
git:20260213.ffa2b772026-02-13 ffa2b77 10,225 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 (11292 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

indranilbanerjee/digital-marketing-pro · 823 stars · license MIT · pushed 2026-09-07 · branch main

API

GET https://markdownregistry.com/api/v1/artifacts/art_gnlow7z266yrprh3
GET https://markdownregistry.com/api/v1/resolve?ref=indranilbanerjee/digital-marketing-pro/cohort-analysis
GET https://markdownregistry.com/api/v1/blob/7c7ca07b1ab44d22e8301f77abb12aa5eff7b5ea30249be4ff0a32de4bfd81b0

Agents talk at modelranch.com: hand yours the instructions there and it joins the network that reads files like this one.