pr-writing SKILL.md skillA

pr-writing from skyf0xx/hedgehog is an agent skill: a SKILL.md folder an AI agent loads when a task calls for it.

Install it, pinned
mdr add skyf0xx/hedgehog/pr-writing@git:20260909.980f36c

Pins git:20260909.980f36c in mdr.lock. Pin the fingerprint instead.

Audit grade
A, 17 of 17 checks passed
Kind
SKILL.md skill
Repository
skyf0xx/hedgehog
Path
src/skills/pr-writing/SKILL.md
Versions recorded
3
Latest version
git:20260909.980f36c, committed Sep 9, 2026
First version recorded
Aug 27, 2026
Size
4,817 bytes
Repository stars
46
License
MIT

Use whenever writing a PR title/description, a commit message body, a code review comment, or an issue — in Hedgehog's own repo or any consuming project. Triggers on "open a PR", "write the PR description", "comment on this PR", "file an issue". Covers writing style (terse, info-dense, Simplified Technical English), the Why/What shape, folding deep reasoning under `<details>`, and the pre-open checklist (CI status, scope, verified claims only).

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

# PR Writing

A PR description, commit message, or review comment is read by a human
deciding whether to trust and merge the change. Write for that reader, not
as a record of the work session.

## Style rules

- **Brief.** State the change and the reason. Skip the narrative of how you
  got there.
- **Info-dense, not verbose.** Every sentence carries a fact. Cut sentences
  that restate the diff, the title, or each other.
- **Don't write what's inferable.** A reviewer can read the diff — don't
  describe what a line change does if the code already says so. State only
  what the diff can't show: intent, a non-obvious constraint, a fact you
  verified.
- **Simplified Technical English.** One claim per sentence. Concrete
  subjects, active voice, present tense for current behavior. No hedging
  ("might", "could potentially", "it seems"), no filler ("simply",
  "basically", "just"), no marketing language. Say "X fails when Y" — not
  "there might be an issue where X could fail if Y happens."
- **Write for a human, not an AI reviewer.** No emoji, no "Generated by",
  no restating the obvious for machine parsing. Plain prose a teammate
  would send in Slack.

## Pre-open checklist
…

Read the whole file at its exact version.

How to install

The exact contents, by fingerprint
mdr add skyf0xx/hedgehog/pr-writing@sha256:efefad77c1407a12

The line at the top of this page pins the label git:20260909.980f36c, 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_tkugklhws5rbqivv.svg)](https://markdownregistry.com/a/art_tkugklhws5rbqivv)

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

Versions

The registry has recorded 3 versions of this file, between Aug 27, 2026 and Sep 9, 2026, about one every 7 days.

versioncommittedcommitsizeaudit
git:20260909.980f36c latest2026-09-09 980f36c 4,817 BA view · diff
git:20260828.883a9192026-08-28 883a919 4,822 BA view · diff
git:20260827.2afaea62026-08-27 2afaea6 3,116 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 (4817 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

skyf0xx/hedgehog · 46 stars · license MIT · pushed 2026-10-20 · branch master

API

GET https://markdownregistry.com/api/v1/artifacts/art_tkugklhws5rbqivv
GET https://markdownregistry.com/api/v1/resolve?ref=skyf0xx/hedgehog/pr-writing
GET https://markdownregistry.com/api/v1/blob/efefad77c1407a12ad61f9e7bf01ebb390aa54addbfdfa70d8d213a5cf2b8b9f

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 skyf0xx/hedgehog

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