quality-engineering-visual-baseline skillA
This file is byte-identical to the first copy the registry indexed. Same content hash, same audit grade.
quality-engineering-visual-baseline is agent-read markdown (skill) from hoangnguyen0403/agent-skills-standard: Captures, masks, compares, and updates screenshot baselines for web and mobile suites, with per-region thresholds and a reviewed-diff rule for every baseline change. Use when a screenshot assertion fails, a baseline needs updating, or visual checks are being added; not for deciding what to verify..
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.
What the file says
# Quality Engineering: Visual Baseline ## **Priority: P1 (HIGH)** ## Capture - One baseline per scenario, viewport, theme, and locale that the plan names; never one baseline per developer machine. Capture in the CI image only; a locally captured baseline is a draft. - Freeze animations and the clock before capture; wait for network idle and fonts loaded. - Name baselines `<screen>-<state>-<viewport>[-dark][-<locale>].png` next to the spec in the tool's snapshot folder. ## Mask, Then Threshold - Mask every dynamic region before comparing: clocks, counters, avatars, ads, maps, third-party embeds, randomised ids. A masked region is compared as a solid block, so a layout shift inside it still fails. - Thresholds are per region and small: text and controls `0.1%` max diff pixels, images and charts `1%`. A suite-wide threshold above `1%` is a disabled check. - Full detail in [Masking and Thresholds](references/masking-and-thresholds.md). ## Classify a Failure …
Read the whole file at its exact version.
How to install
mdr add hoangnguyen0403/agent-skills-standard/quality-engineering-visual-baseline@git:20260913.6db6862mdr add hoangnguyen0403/agent-skills-standard/quality-engineering-visual-baseline@sha256:52c3ed0b3b2d2d73Pin 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.
[](https://markdownregistry.com/a/art_jvrsvaitpfu77bcm)
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Versions
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 (3410 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
hoangnguyen0403/agent-skills-standard · 571 stars · license MIT · pushed 2026-09-24 · branch develop
API
GET https://markdownregistry.com/api/v1/artifacts/art_jvrsvaitpfu77bcm GET https://markdownregistry.com/api/v1/resolve?ref=hoangnguyen0403/agent-skills-standard/quality-engineering-visual-baseline GET https://markdownregistry.com/api/v1/blob/52c3ed0b3b2d2d73511f702ceb0854a2c77dfd628368450b9dd82e02cae63254
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