4x4 SKILL.md skillA
4x4 from davidondrej/skills is an agent skill: a SKILL.md folder an AI agent loads when a task calls for it.
mdr add davidondrej/skills/4x4@git:20261014.ec0b0c8Pins git:20261014.ec0b0c8 in mdr.lock. Pin the fingerprint instead.
- Audit grade
- A, 17 of 17 checks passed
- Kind
- SKILL.md skill
- Repository
- davidondrej/skills
- Path
skills/thinking-and-docs/4x4/SKILL.md- Versions recorded
- 1
- Latest version
- git:20261014.ec0b0c8, committed Oct 14, 2026
- Size
- 2,484 bytes
- Repository stars
- 4,161
- License
- MIT
Pull 16 fast decisions out of the user with 4 sets of 4 open questions, then present an implementation plan. Only for risky changes, large product decisions, or large refactors. Run when the user types /4x4. Agents may suggest it in one line but never start it on 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
# 4x4 Get the user's judgment, taste, and decisions in 4 quick rounds. 16 open questions. A full run should take them 2–3 minutes. ## The 4 sets These are defaults. Adapt their names and focus to pull the most judgment and taste out of the user for this topic. 1. **Product** — what it does, who it's for, UI/UX, scope. 2. **Software design** — architecture, data, boundaries, what to reuse or delete. 3. **Practical** — execution order, rollout, what ships first. 4. **Edge cases** — the 4 most likely ways this breaks or surprises users. Each question asks how to handle one. ## Workflow 1. **Load context fast.** Use what's already in the thread. Skim only the files and docs that matter (scopes, ADRs, the diff). No research, no subagents. 2. **Pick the order.** Start with the set whose answers most change the others. 3. **Pick 4 questions per set.** Choose the 4 decisions with the biggest impact that only the user can make. Never ask what the code, docs, or common sense already answer. Skip anything already decided. 4. **Show one set at a time.** Never preview or list the other sets. Stop and wait. Show the next set only after the user answers. …
Read the whole file at its exact version.
How to install
mdr add davidondrej/skills/4x4@sha256:66c48195707ac2d8The line at the top of this page pins the label git:20261014.ec0b0c8, 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.
[](https://markdownregistry.com/a/art_ymnspkp3nl73kosd)
1 badge image fetches in 30 days. What the badge shows.
Versions
The registry has recorded 1 version of this file, committed on Oct 14, 2026.
Audit of the latest version
- pass: Frontmatter block present
- pass: Frontmatter declares a name
- pass: Frontmatter declares a description
- pass: Size between 200 bytes and 200 KB (2484 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
davidondrej/skills · 4,161 stars · license MIT · pushed 2026-10-21 · branch main
API
GET https://markdownregistry.com/api/v1/artifacts/art_ymnspkp3nl73kosd GET https://markdownregistry.com/api/v1/resolve?ref=davidondrej/skills/4x4 GET https://markdownregistry.com/api/v1/blob/66c48195707ac2d88bf13e1aec71f7cee39daa827a2aeff87b6294770f347144
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.