mgiovani/cc-arsenal · skills/product-prd/SKILL.md

product-prd skillA

product-prd is agent-read markdown (skill) from mgiovani/cc-arsenal: Gate-checked, size-and-intent-tiered PRD authoring. Runs a gate-zero first (is a written doc even needed, or is a 3-line ticket or a prototype enough?), then a Brief, one-pager, or big-tier stack; the big tier branches on intent: a PR/FAQ for validation versus a numbered full PRD for execution. Enforces positive, mandatory non-goals at medium and up, ID'd testable traceable requirements, and ends in a hand-off plus a self-grade. Use for "write a PRD", "draft product requirements", or "spec out t.

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 mgiovani/cc-arsenal/product-prd@v2.0.0
Exact content
mdr add mgiovani/cc-arsenal/product-prd@sha256:133a5e1fc806ba12

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_cle6r43negx6gd7r.svg)](https://markdownregistry.com/a/art_cle6r43negx6gd7r)

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Versions

versioncommittedcommitsizeaudit
v2.0.0 latest2026-07-27 fa2e9cf 11,672 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 (11672 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

mgiovani/cc-arsenal · 8 stars · license MIT · pushed 2026-09-16 · branch main

API

GET https://markdownregistry.com/api/v1/artifacts/art_cle6r43negx6gd7r
GET https://markdownregistry.com/api/v1/resolve?ref=mgiovani/cc-arsenal/product-prd
GET https://markdownregistry.com/api/v1/blob/133a5e1fc806ba1210ad48957c17c6c5010a22916d07401d68f80ab6c61696b7

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