mgiovani/cc-arsenal · skills/product-design-spec/SKILL.md

product-design-spec skillA

product-design-spec is agent-read markdown (skill) from mgiovani/cc-arsenal: Authors the design specification for an approved PRD (information architecture, user flows, a screen inventory, and per-screen state and interaction specs), reusing the project's existing component library first and tracing every screen back to a PRD requirement ID. Lean by default: one design-spec.md, full specs for only the 2-3 most critical screens, WCAG 2.2 AA delegated to review-design. Use for "write a design spec", "map the user flows", "screen inventory with states", or "IA and screen st.

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-design-spec@v1.0.0
Exact content
mdr add mgiovani/cc-arsenal/product-design-spec@sha256:4c040abfb75c00a0

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_gylmpyyvwjyp2jiq.svg)](https://markdownregistry.com/a/art_gylmpyyvwjyp2jiq)

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Versions

versioncommittedcommitsizeaudit
v1.0.0 latest2026-07-27 fa2e9cf 10,706 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 (10706 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_gylmpyyvwjyp2jiq
GET https://markdownregistry.com/api/v1/resolve?ref=mgiovani/cc-arsenal/product-design-spec
GET https://markdownregistry.com/api/v1/blob/4c040abfb75c00a092ad6d0e41bbcdc22c020fde15027eff1afc7b859b23604e

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