gdd-handsoff SKILL.md skillA

gdd-handsoff from amramos/game-ai-sdlc is an agent skill: a SKILL.md folder an AI agent loads when a task calls for it.

Install it, pinned
mdr add amramos/game-ai-sdlc/gdd-handsoff@git:20261103.81771b3

Pins git:20261103.81771b3 in mdr.lock. Pin the fingerprint instead.

Audit grade
A, 17 of 17 checks passed
Kind
SKILL.md skill
Repository
amramos/game-ai-sdlc
Path
plugins/game-sdlc/skills/gdd-handsoff/SKILL.md
Versions recorded
5
Latest version
git:20261103.81771b3, committed Nov 3, 2026
First version recorded
Nov 3, 2026
Size
13,647 bytes
Repository stars
3
License
MIT

Design a game with almost no input — the user gives a one-line idea (or "surprise me"), a few games they love and one they find boring, and a scope; picks one of three concepts; and the session writes the GDD with one outside reviewer per round, checked by quality gates and by blind AI playtesters on a quick prototype, ending with a one-page summary of what the panel assumed. Use when the user wants a GDD without answering a design interview — when they invoke it, or ask for one in their own…

Collected from public GitHub. Every version is saved exactly as it was and never changes. Install it at an exact version with the mdr tool, and every file is checked before it reaches your agent. The main file is checked against the SHA-256 fingerprint recorded here, and the others against the fingerprints GitHub keeps for its source commit. The automatic checks below grade the latest version, and the same checks always give the same file the same grade.

What the file says

# GDD (hands-off)

Load the **`gdd-core`** skill (`game-sdlc:gdd-core` when installed as a plugin) and follow it in
**hands-off mode**: you and one round reviewer answer the rounds instead of the user.

The risk of a design nobody steered is the *average* game: competent and forgettable. Agents write
well; what they lack is taste. So this skill collects the few inputs that carry taste as cheaply as
possible, lets the user **react rather than answer**, and replaces opinion with **evidence from
play** wherever it can.

**The cost, in your first reply.** Tell the user what this costs: several agents, web research and
a prototype loop, roughly 30–60 minutes of agent time. Say it in your first reply, together with the
intake questions, or with the concepts when the intake came complete in the first message.

## 1. Intake: one message

Ask for all of it at once, in one message or one multiple-choice call, with defaults:

1. **The idea** in one line — or "surprise me".
2. **Two or three games they love**, and **one they find boring**. The boring one tells as much
   about taste as the favourites.
…

Read the whole file at its exact version.

How to install

The exact contents, by fingerprint
mdr add amramos/game-ai-sdlc/gdd-handsoff@sha256:854050422d427507

The line at the top of this page pins the label git:20261103.81771b3, which is what most people want. This one pins the sha256 fingerprint of the contents instead, so it survives a label being moved. Either way the exact version is written to mdr.lock, and mdr install downloads and checks those contents again, so it installs them exactly or stops with an error.

Badge

mdr badge

[![mdr](https://markdownregistry.com/badge/art_vovoslwxekw2sq3h.svg)](https://markdownregistry.com/a/art_vovoslwxekw2sq3h)

0 badge image fetches in 30 days. What the badge shows.

Versions

The registry has recorded 5 versions of this file, all committed on Nov 3, 2026.

versioncommittedcommitsizeaudit
git:20261103.81771b3 latest2026-11-03 81771b3 13,647 BA view · diff
git:20261103.37e87122026-11-03 37e8712 13,502 BA view · diff
git:20261103.8991e872026-11-03 8991e87 13,433 BA view · diff
git:20261103.e618ac32026-11-03 e618ac3 13,309 BA view · diff
git:20261103.cac3e992026-11-03 cac3e99 13,212 BA view

Audit of the latest version

A  17 of 17 checks passed. Fixed automatic checks with no AI involved, so the same checks give the 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 (13647 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

amramos/game-ai-sdlc · 3 stars · license MIT · pushed 2026-11-07 · branch main

API

GET https://markdownregistry.com/api/v1/artifacts/art_vovoslwxekw2sq3h
GET https://markdownregistry.com/api/v1/resolve?ref=amramos/game-ai-sdlc/gdd-handsoff
GET https://markdownregistry.com/api/v1/blob/854050422d427507a75ae92f8b54438bde18af0d3351badab4275b8361f3082f

Your AI assistant does the legwork. You hear about the deals worth your word. Hand yours the standing instructions at modelranch.com and it joins the network that reads files like this one.

Guides: the SKILL.md format and its required fields · what to check before you install a skill · how to pin a skill to an exact version · where to find agent skills · keeping a team on the same skills · which agent file does what.

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