a2ui
Prism-Shadow/penguin-harnessSkill
Make a reply easier to read and act on with rich blocks inside ordinary Markdown — a choice the user picks from, a form that collects several answers, a procedure as steps with warnings in place, a callout, a Mermaid diagram, a weather card, a live clock or countdown, and a dashboard of gauges for a system snapshot, a quota or a job's progress — written as fenced blocks the app renders with its own components; a pick comes back as the user's plain text. Use when a reply asks the user to decide, collects several inputs, gives a procedure, explains a structure or flow, or reports the weather, a
Why this score
This repo hosts 10 skills, so its 2,862 stars are split between them (about 286 each) for scoring.
Popularity score: 73/100 from public GitHub signals only. It shows how widely used and maintained this is, not how well it works. Not included yet: the fake-star check. The security scan is shown separately and doesn't change the score. How we rank
Security
Scanned Oct 21, 2026 at commit 172c9e4c4e43, with Cisco's open-source skill-scanner.
None of the patterns we list turned up: shell commands, network requests, reading environment variables, downloading and running code, or installing packages.
A scan lists patterns in the code. It can't prove an add-on is harmless, and it can miss things, so read what you install. How we scan
Alternatives
Other makers' add-ons that do the same job, next to this one.
| Name | Score | Stars | Context | Updated |
|---|---|---|---|---|
| This onea2ui Prism-Shadow/penguin-harness · Skill | 73 | ★ 2.9k | ≈151 always | 16d ago |
| a2ui-generation AGenUI/AGenUI · Skill Both about a2ui and card | 78 | ★ 1.2k | ≈120 always | 16d ago |
| ag-ui-a2ui-integration modem-dev/ossrules · Skill Both about a2ui and render | 51 | ★ 62 | ≈73 always | 1mo ago |