flagrare/agent-skills · plugins/flagrare/skills/visual-diff-branches/SKILL.md

visual-diff-branches skillA

visual-diff-branches is agent-read markdown (skill) from flagrare/agent-skills: Use when the question is how pages render on one git ref versus another: checking a design-system, tokens, typography or styling PR for visual regressions on your feature's pages, producing before/after screenshots for a designer, answering 'did this branch change how X looks', or when a screenshot comparison is needed and no image library (ImageMagick, Pillow, sharp, pixelmatch) is installed. Triggers on 'compare main vs this branch', 'before and after screenshots', 'visual regression on this P.

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 flagrare/agent-skills/visual-diff-branches@git:20260910.6d2ba49
Exact content
mdr add flagrare/agent-skills/visual-diff-branches@sha256:e0fb5ee9d56d6536

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_pqx73rrepsvk3d6d.svg)](https://markdownregistry.com/a/art_pqx73rrepsvk3d6d)

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Versions

versioncommittedcommitsizeaudit
git:20260910.6d2ba49 latest2026-09-10 6d2ba49 8,063 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 (8063 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

flagrare/agent-skills · 11 stars · license none · pushed 2026-09-10 · branch main

API

GET https://markdownregistry.com/api/v1/artifacts/art_pqx73rrepsvk3d6d
GET https://markdownregistry.com/api/v1/resolve?ref=flagrare/agent-skills/visual-diff-branches
GET https://markdownregistry.com/api/v1/blob/e0fb5ee9d56d6536fc5fe7b33cc634d52cf11c2373d1a97c75298e6edf883658