The image labels a knowledge platform “Onyx” but links to senlindesign/taste-skill, a design-analysis skill. Both appear below with their correct identities and links.
Pick by the job you need done.
These are optional tools, not requirements for using Claude. A GitHub repository is a distribution location—not a guarantee of compatibility, safety or quality. “Trending” was not established by a dated ranking, so it is not used here.
11 repositories
01
Engineering / MCP tools / CLI
REA
IDENTITY & README CHECKED
morluto/rea
Investigate software behavior
Connects agents to inspection tools for binaries, JavaScript/Electron apps, .NET assemblies and websites. Analysis findings include evidence and limitations.
When it fits. Use to guide a design system or a new interface. Check the current host support and runtime requirements.
Style guidance is not a substitute for user research or testing. Avoid conflicting instructions from several design skills.
Illustrative use. Specify a mobile-first dashboard with consistent typography, spacing, form states and accessible contrast.
08
Research / Research skill
Last 30 Days
IDENTITY & README CHECKED
mvanhorn/last30days-skill
Investigate recent discussion
Researches topics across supported discussion and web sources, then synthesizes findings. Source coverage depends on the current configuration and available access.
When it fits. Useful for architecture, process and explanatory diagrams. Choose a representation that matches the information.
Interactivity is not necessary for every diagram. Visual polish does not validate the underlying relationships.
Illustrative use. Explain the lead-to-sale process with explicit stages, decision points and ownership.
11
Design / Design-analysis skill
Taste Skill
IDENTITY & README CHECKED
senlindesign/taste-skill
Study an existing visual language
Analyzes a website’s design choices, including concrete tokens and the reasoning behind visual trade-offs. This is the repository actually linked under “Onyx” in the image.
When it fits. Use when studying an approved reference. Review the host and browser setup described by the project.
Design analysis does not grant rights to copy assets or branding; translate the principles into an original implementation.
Illustrative use. Study a reference’s spacing and hierarchy, then apply suitable principles to an original ImageFirm design.
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Compatibility matters
Same list. Different kinds of software.
Type
Examples
What adoption involves
Skills / guidance
Hallmark, Humanizer, Taste Skill, Diagram Design
A supported host, the correct packaging, trusted instructions and any required resources.
Skills with tooling
Impeccable, UI/UX Pro Max, Last 30 Days
Review runtime dependencies, host integration and external-service access where used.
Developer tooling
REA, Scrapling
Local or managed execution, dependencies, scoped access and output verification.
Application platform
Onyx
Deployment, identity, connectors, model configuration and continuing operations.
Ponytail is coding-agent guidance distributed through supported integrations. Categories describe the main adoption pattern and can overlap. Claude chat, Claude Desktop, Claude Code and other agent hosts have different capabilities; a GitHub link alone does not make a project installable in every host.
ImageFirm editorial starting points
Start with one clear need.
Evaluate Hallmark or UI/UX Pro Max
Choose one main source of design guidance. Add Diagram Design only when explanatory diagrams serve the content.
Pilot on one page and compare mobile usability, accessibility, brand fit and edit effort.
Blueprint audit
What changed in this edition.
Identity corrected
Onyx now points to onyx-dot-app/onyx. Taste Skill retains the original card’s actual link as its own entry. REA is linked to the verified owner, morluto/rea.
Claims made proportionate
“Must-have,” “trending,” “your senior developer,” and guaranteed human-quality outputs were replaced with concrete purposes and limitations.
Adoption made practical
The directory distinguishes skills, tooling and a full application, so setup effort and host requirements are visible.
Selection over accumulation
Overlapping design tools are candidates to compare. Loading them all together can create conflicting rules and extra maintenance.
A short adoption checklist.
Review one candidate in a small pilot. Selections last for this page session; they do not certify a repository.
0 of 10 reviewed
Primary sources.
The linked project pages and READMEs are the source for repository identity and stated purpose. Their descriptions are not independently verified performance claims. This review does not assert GitHub Trending placement, current star counts, complete license compatibility or universal host support. Recheck live documentation before installation.