leadmagic/gtm-skills · skills/design/roi-calculator/SKILL.md

roi-calculator skillA

roi-calculator is agent-read markdown (skill) from leadmagic/gtm-skills: Build ROI calculators and business cases — 3-scenario projections (conservative, moderate, aggressive), payback period analysis, TCO comparison, assumption documentation, MEDDICC integration, value driver identification. Use when building ROI models, creating business cases, quantifying value for prospects, or supporting economic buyer conversations. Triggers on: "ROI calculator", "business case", "ROI model", "value calculator", "TCO comparison", "payback period", "build the business case"..

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 leadmagic/gtm-skills/roi-calculator@v2.0.0
Exact content
mdr add leadmagic/gtm-skills/roi-calculator@sha256:9b8e6dc039716d0d

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_7c5nmp4m3cgjxdkt.svg)](https://markdownregistry.com/a/art_7c5nmp4m3cgjxdkt)

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Versions

versioncommittedcommitsizeaudit
v2.0.0 latest2026-09-02 a19750a 11,748 BA view · diff
v2.0.02026-06-10 e030e67 11,742 BA view · diff
v2.0.02026-06-10 17b6e1f 12,162 BA view · diff
v2.0.02026-06-08 07ce0cd 12,163 BA view · diff
v2.0.02026-06-08 2fb2a99 15,607 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 (11748 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

leadmagic/gtm-skills · 52 stars · license MIT · pushed 2026-09-07 · branch main

API

GET https://markdownregistry.com/api/v1/artifacts/art_7c5nmp4m3cgjxdkt
GET https://markdownregistry.com/api/v1/resolve?ref=leadmagic/gtm-skills/roi-calculator
GET https://markdownregistry.com/api/v1/blob/9b8e6dc039716d0dfc0491745cb34329dd265aa2060d0bb8a7b33e164e5f60b5

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