Knowledge Work Plugins is an open-source collection of Claude extensions organized around roles such as productivity, sales, and customer support. Each plugin combines role-specific guidance, connectors, commands, and sub-agents so knowledge workers can use Claude with their team’s tools and processes. The catalogue entries are examples of, or workflows from, this plugin collection.
Getting it into your agent
One page per mod, every tool's command on it. A separate URL per tool would split the same page into five that compete with each other.
npx agentmods add skills/anthropics/knowledge-work-plugins/ui-toolkitnpx skills add anthropics/knowledge-work-plugins --skill ui-toolkitgit clone --depth 1 https://github.com/anthropics/knowledge-work-pluginsWrote this? Show the measurements
A badge with what this costs and how it scanned, read live from this page, so it follows the numbers instead of freezing them. Markdown for a README, HTML for a documentation site or a project page.
[](https://agentmods.dev/skills/anthropics/knowledge-work-plugins/ui-toolkit)<a href="https://agentmods.dev/skills/anthropics/knowledge-work-plugins/ui-toolkit"><img src="https://agentmods.dev/badge/skills/anthropics/knowledge-work-plugins/ui-toolkit.svg" alt="Measured on agentmods" height="20"></a>What it costs to keep this loaded
Counted locally with the o200k_base tokenizer, which is exact for GPT models; Claude uses its own tokenizer and its counts differ. Treat this as one consistent yardstick across the catalogue rather than a bill. Prices are per million input tokens.
| Model | Per session | Once invoked |
|---|---|---|
| Fable 5.1 | $0.00039 | $0.04420 |
| Opus 5 | $0.00019 | $0.02210 |
| Sonnet 5 | $0.00008 | $0.00884 |
| Haiku 4.5 | $0.00004 | $0.00442 |
Grade A, and why
ui-toolkit/web scanned grade A with 0 findings against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured today.
A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.
Nothing flagged
None of the 26 patterns this scan looks for appear in this file: no shell pipes, no recursive deletes, no credential paths, no hidden text, no instruction-override or anti-refusal phrasing, no agent-config snooping. That is not a guarantee, it is the absence of the things that are checkable.
Copies of this mod
2 near-identical copies found in the catalogue:
- ui-toolkit/web — 98% identical, 10 lines differ
- ui-toolkit-web — 86% identical, 216 lines differ
How it starts
The opening of the file, as written. The whole thing — 556 lines — stays where its author put it; the contents beside it link to each section on GitHub.
Zoom Video SDK UI Toolkit
Background reference for the prebuilt Zoom Video SDK UI Toolkit on web. Prefer choose-zoom-approach first when the user might still need Meeting SDK instead.
Official Documentation: https://developers.zoom.us/docs/video-sdk/web/ui-toolkit/ API Reference: https://marketplacefront.zoom.us/sdk/uitoolkit/web/ NPM Package: https://www.npmjs.com/package/@zoom/videosdk-zoom-ui-toolkit Live Demo: https://sdk.zoom.com/videosdk-uitoolkit
Quick Links
New to UI Toolkit? Follow this path:
- Quick Start - Get running in 5 minutes (see below)
- JWT Authentication - Server-side token generation (required)
- Composite vs Components - Choose your approach
- Framework Integration - React, Vue, Angular, Next.js patterns
- Integrated Index - see the section below in this file
Having issues?
- Session not joining → Check JWT Authentication (most common issue)
- React 18 peer dependency error → See Installation section
- CSS not loading → See Troubleshooting
- Components not showing → Check Component Lifecycle
- Start with preflight checks → 5-Minute Runbook
Overview
The Zoom Video SDK UI Toolkit is a pre-built video UI library that renders complete video conferencing experiences with minimal code. Unlike the raw Video SDK, the UI Toolkit provides:
- ✅ Ready-to-use UI - Professional video interface out of the box
- ✅ Zero UI code - No need to build video layouts, controls, or participant management
- ✅ Framework agnostic - Works with React, Vue, Angular, Next.js, vanilla JS
- ✅ Highly customizable - Choose which features to enable, customize themes
- ✅ Built-in features - Chat, screen share, settings, virtual backgrounds included
When to use UI Toolkit:
- You want a complete video solution quickly
- You need Zoom-like UI consistency
- You don't want to build custom video UI
- You need standard features (chat, share, participants)
What ships with it
3 files beside SKILL.md in the same directory: the scripts, references and assets a skill reads on demand. Not counted in the per-session cost; read them before you install if any of them is executable.
What this file has done since we first saw it
Hashed on every crawl. A supply-chain change to an agent config is a question of when, not whether, so the history is kept rather than the latest state alone.
- today First seen · 556 lines · 39 tokens per session scan A 7d792c9a772c
ui-toolkit/web is a skill published in the GitHub repository anthropics/knowledge-work-plugins (23,877 stars, last pushed today), licensed Apache-2.0. It adds 39 tokens to every session and 4,420 once invoked, about $0.0002 per session on Opus 5. A static security scan graded it A with 0 findings. No closer match exists in the catalogue, so it is treated as the original; first seen 2026-09-05.
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