greenfield SKILL.md skillA

greenfield from federbenjamin/feder-skills is an agent skill: a SKILL.md folder an AI agent loads when a task calls for it.

Install it, pinned
mdr add federbenjamin/feder-skills/greenfield@git:20261007.87f312a

Pins git:20261007.87f312a in mdr.lock. Pin the fingerprint instead.

Audit grade
A, 17 of 17 checks passed
Kind
SKILL.md skill
Repository
federbenjamin/feder-skills
Path
skills/greenfield/SKILL.md
Versions recorded
1
Latest version
git:20261007.87f312a, committed Oct 7, 2026
Size
4,936 bytes
Repository stars
3
License
MIT

Find the best technical solution by designing as if the repo's established rules, patterns, and conventions didn't exist, then audit only the rules the winning design collides with — updating outdated ones where they live. Use when the user says "/greenfield", "ignore the rules — what's the right design", "are the rules boxing us in here", "is this rule still true", "greenfield this", or when a fix collides with an established rule and the rule itself deserves the scrutiny.

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

Established rules harden into "hard truths" that design the project into corners long after their reasons died. This skill inverts the usual order: design first as if the rules didn't exist, then put only the *colliding* rules on trial. The best design is the primary deliverable; the rule audit is a light byproduct — never let it dominate the run's time or tokens.

Two failure modes to hold off simultaneously: anchoring (a session immersed in repo patterns produces the status quo with a new coat of paint — the greenfield frame exists to fight this) and laundering (the designer wants its design to win, so every inconvenient rule becomes "outdated" — the origin test exists to fight this).

## Quick tier (default) — inline, no subagent

Run this yourself, in-session; it should work as a short detour mid-task.

1. **Ground.** If the session doesn't already hold the problem's context, get what it needs first — read the relevant docs/code rather than designing from guesses. Proportionate to the question; grounding is not the deliverable.
…

Read the whole file at its exact version.

How to install

The exact contents, by fingerprint
mdr add federbenjamin/feder-skills/greenfield@sha256:8cf2d6804a168d1a

The line at the top of this page pins the label git:20261007.87f312a, 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_nmiajhj6s7jirnzv.svg)](https://markdownregistry.com/a/art_nmiajhj6s7jirnzv)

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

Versions

The registry has recorded 1 version of this file, committed on Oct 7, 2026.

versioncommittedcommitsizeaudit
git:20261007.87f312a latest2026-10-07 87f312a 4,936 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 (4936 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

federbenjamin/feder-skills · 3 stars · license MIT · pushed 2026-10-27 · branch main

API

GET https://markdownregistry.com/api/v1/artifacts/art_nmiajhj6s7jirnzv
GET https://markdownregistry.com/api/v1/resolve?ref=federbenjamin/feder-skills/greenfield
GET https://markdownregistry.com/api/v1/blob/8cf2d6804a168d1a98751924397bb1a84269745c903397fa231fc16c7aea9ea3

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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Every file in federbenjamin/feder-skills

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