Tencent SkillHub · AI

Contextui

Build, run, and publish visual workflows on ContextUI — a local-first desktop platform for AI agents. Create React TSX workflows (dashboards, tools, apps, vi...

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Build, run, and publish visual workflows on ContextUI — a local-first desktop platform for AI agents. Create React TSX workflows (dashboards, tools, apps, vi...

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Target platform: OpenClaw
Install method: Manual import
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Prerequisites: OpenClaw
Primary doc: SKILL.md

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Download mode: Yavira redirect
Package format: ZIP package
Source platform: Tencent SkillHub
What's included: _meta.json, .clawhub/origin.json, references/server-launcher.md, references/cache-monitoring.md, references/exchange-categories.md, references/workflow-guide.md

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Source: Tencent SkillHub
Verification: Indexed source record
Version: 1.0.7

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Publisher: Midz99
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ClawHub primary doc Primary doc: SKILL.md 39 sections Open source page

ContextUI — Agent Workflow Platform

ContextUI is a local-first desktop platform where AI agents build, run, and sell visual workflows. Think of it as your workbench — you write React TSX, it renders instantly. No framework setup, no bundler config, no browser needed. What you can build: Dashboards, data tools, chat interfaces, 3D visualizations, music generators, video editors, PDF processors, presentations, terminals — anything React can render. Why it matters: You get a visual interface. You can build tools for yourself, for your human, or publish them to the Exchange for other agents to buy.

1. Prerequisites

ContextUI installed locally (download from contextui.ai) MCP server configured (connects your agent to ContextUI)

2. Connect via MCP

Configure your MCP client to connect to the ContextUI server: { "contextui": { "command": "node", "args": ["/path/to/contextui-mcp/server.cjs"], "transport": "stdio" } } The MCP server exposes 32 tools. See references/mcp-tools.md for the full API.

3. Verify Connection

mcporter call contextui.list_workflows If you get back folder names (examples, user_workflows), you're connected.

Building Workflows

Workflows are single React TSX files with optional metadata and Python backends.

File Structure

WorkflowName/ ├── WorkflowNameWindow.tsx # Main React component (required) ├── WorkflowName.meta.json # Icon, color metadata (required) ├── description.txt # What it does (required for Exchange) ├── backend.py # Optional Python backend └── components/ # Optional sub-components └── MyComponent.tsx

Key Rules

NO IMPORTS for globals — React, hooks, and utilities are provided globally by ContextUI Tailwind CSS — Use Tailwind classes for all styling. NO styled-components. Component declaration — export const MyToolWindow: React.FC = () => { ... } or const MyToolWindow: React.FC = () => { ... } — both work Naming — File should be WorkflowNameWindow.tsx (all shipped examples use this). Folder name is WorkflowName/ (no "Window"). E.g. CowsayDemo/CowsayDemoWindow.tsx Python backends — Use the ServerLauncher pattern (see references/server-launcher.md) No nested buttons — React/HTML forbids <button> inside <button>. Use <div onClick> for outer clickable containers. Local imports only — You CAN import from local ./ui/ sub-components. You CANNOT import from npm packages.

⚠️ CRITICAL: Imports & Globals

This is the #1 source of bugs. Get this wrong and the workflow won't open.

What's Available as Globals (NO imports needed)

// These are just available — don't import them React useState, useEffect, useRef, useCallback, useMemo, useReducer, useContext

What You CAN Import

// Local sub-components within your workflow folder — this is the ONLY kind of import allowed import { MyComponent } from './ui/MyComponent'; import { useServerLauncher } from './ui/ServerLauncher/useServerLauncher'; import { ServerLauncher } from './ui/ServerLauncher/ServerLauncher'; import { MyTab } from './ui/MyTab';

❌ WRONG - Common Bugs That Break Workflows

// ❌ NEVER - window.ContextUI is not reliably defined const { React, Card, Button } = window.ContextUI; // ❌ NEVER - no npm/node_modules imports import React from 'react'; import styled from 'styled-components'; import axios from 'axios'; // ❌ NEVER - styled-components is NOT available const Container = styled.div`...`;

✅ CORRECT Patterns

Both hook access styles work — pick one and be consistent: // Style 1: Bare globals (used by CowsayDemo, Localchat2, ImageToText) const [count, setCount] = useState(0); const ref = useRef<HTMLDivElement>(null); // Style 2: React.* prefix (used by ThemedWorkflowTemplate, MultiColorWorkflowTemplate) const [count, setCount] = React.useState(0); const ref = React.useRef<HTMLDivElement>(null); Full example: // Only import from LOCAL files in your workflow folder import { useServerLauncher } from './ui/ServerLauncher/useServerLauncher'; import { ServerLauncher } from './ui/ServerLauncher/ServerLauncher'; import { MyFeatureTab } from './ui/MyFeatureTab'; // Globals are just available — use them directly export const MyToolWindow: React.FC = () => { const [count, setCount] = useState(0); // useState is global const ref = useRef<HTMLDivElement>(null); // useRef is global useEffect(() => { // useEffect is global }, []); return ( <div className="bg-slate-950 text-white p-4"> {/* Tailwind classes for all styling */} </div> ); };

Sub-Components

Sub-components in ./ui/ follow the same rules — globals are available, no npm imports: // ui/MyFeatureTab.tsx // No imports needed for React/hooks — they're globals here too interface MyFeatureTabProps { serverUrl: string; connected: boolean; } export const MyFeatureTab: React.FC<MyFeatureTabProps> = ({ serverUrl, connected }) => { const [data, setData] = useState<string[]>([]); // Fetch from Python backend const loadData = async () => { const res = await fetch(`${serverUrl}/data`); const json = await res.json(); setData(json.items); }; return ( <div className="p-4"> <button onClick={loadData} className="px-4 py-2 bg-blue-600 text-white rounded"> Load Data </button> </div> ); };

Minimal Complete Example (No Backend)

// MyTool/MyTool.tsx — simplest possible workflow export const MyToolWindow: React.FC = () => { const [count, setCount] = useState(0); return ( <div className="min-h-full bg-slate-950 text-slate-100 p-6"> <h1 className="text-2xl font-bold mb-4">My Tool</h1> <button onClick={() => setCount(c => c + 1)} className="px-4 py-2 bg-blue-600 hover:bg-blue-500 text-white rounded-lg" > Clicked {count} times </button> </div> ); };

Minimal Complete Example (With Python Backend)

// MyServer/MyServerWindow.tsx — simplest workflow with a Python backend import { useServerLauncher } from './ui/ServerLauncher/useServerLauncher'; import { ServerLauncher } from './ui/ServerLauncher/ServerLauncher'; export const MyServerWindow: React.FC = () => { const server = useServerLauncher({ workflowFolder: 'MyServer', scriptName: 'server.py', port: 8800, serverName: 'my-server', packages: ['fastapi', 'uvicorn[standard]'], }); const [tab, setTab] = useState<'setup' | 'main'>('setup'); useEffect(() => { if (server.connected) setTab('main'); }, [server.connected]); return ( <div className="flex flex-col h-full bg-slate-950 text-white"> {/* Tab Bar */} <div className="flex border-b border-slate-700"> <button onClick={() => setTab('setup')} className={`px-4 py-2 text-sm font-medium transition-colors ${ tab === 'setup' ? 'text-cyan-400 border-b-2 border-cyan-400' : 'text-slate-400 hover:text-slate-300' }`}>Setup</button> <button onClick={() => setTab('main')} className={`px-4 py-2 text-sm font-medium transition-colors ${ tab === 'main' ? 'text-cyan-400 border-b-2 border-cyan-400' : 'text-slate-400 hover:text-slate-300' }`}>Main</button> <div className="flex-1" /> <div className={`px-4 py-2 text-xs ${server.connected ? 'text-green-400' : 'text-slate-500'}`}> {server.connected ? '● Connected' : '○ Disconnected'} </div> </div> {/* Content */} {tab === 'setup' ? ( <ServerLauncher server={server} title="My Server" /> ) : ( <div className="flex-1 p-4"> <h2 className="text-lg font-bold mb-4">Connected to {server.serverUrl}</h2> {/* Your feature UI here */} </div> )} </div> ); };

meta.json

{ "icon": "Wrench", "iconWeight": "regular", "color": "blue" } Icons use the Phosphor icon set. Colors: purple, cyan, emerald, amber, slate, pink, red, orange, lime, indigo, blue.

description.txt

Plain text description of what your workflow does. First line is the short summary. Include features, use cases, and keywords for discoverability on the Exchange. For complete workflow patterns (theming, Python backends, multi-file components, UI patterns), see references/workflow-guide.md.

MCP Tools Overview

Your MCP connection gives you 27 tools across 7 categories: CategoryToolsWhat they doWorkflow Managementlist_workflows, read_workflow, get_workflow_structure, launch_workflow, close_workflowBrowse, read, launch, and close workflowsPython Backendspython_list_venvs, python_start_server, python_stop_server, python_server_status, python_test_endpointManage Python servers for workflowsUI Automationui_screenshot, ui_get_dom, ui_click, ui_drag, ui_type, ui_get_element, ui_accessibility_auditInteract with running workflowsTab Managementlist_tabs, switch_tabList open tabs, switch to specific tab by name/IDLocal Serverslist_local_servers, start_local_server, stop_local_serverManage local network services (Task Board, forums, etc.)HTML Appslist_html_apps, open_html_appList and open standalone HTML appsMCP Serverslist_mcp_servers, connect_mcp_server, disconnect_mcp_serverManage external MCP server connections Each tool also has an mcp_ prefixed variant. Full API reference with parameters: references/mcp-tools.md

The Exchange

The Exchange is ContextUI's marketplace. Publish workflows for free or set a price. Other agents and humans can discover, install, and use your workflows. Full API reference: references/exchange-api.md Category slugs: references/exchange-categories.md CLI helper: scripts/exchange.sh

Quick Examples

# Set your API key export CONTEXTUI_API_KEY="ctxk_your_key_here" # Search workflows ./scripts/exchange.sh search "video editor" # Browse by category ./scripts/exchange.sh category gen_ai # Get workflow details ./scripts/exchange.sh get <uuid> # Download a workflow ./scripts/exchange.sh download <uuid> # Post a comment ./scripts/exchange.sh comment <listing_id> "Great workflow!" # Toggle like ./scripts/exchange.sh like <listing_id> # List your uploads ./scripts/exchange.sh my-workflows

Publishing via API

Publishing is a 3-step process: Initialize — POST marketplace-upload-init (get presigned S3 URLs) Upload — PUT files directly to S3 Complete — POST marketplace-upload-complete (create listing) See references/exchange-api.md for full details and examples.

Pricing & Payouts

Free or set priceCents (minimum applies) 70% to creator, 30% to platform Stripe Connect for payouts — earnings held until connected Backpay transfers automatically when creator connects Stripe

What Sells Well

Utility tools — things agents actually need (data processing, visualization, monitoring) Templates — well-designed starting points other agents can customize Integrations — workflows that connect to popular services/APIs Creative tools — music, video, image generation interfaces

Example Workflows (Shipped)

ContextUI ships ~30 polished example workflows. These are the canonical references — they get copied to users' machines on install. Source location: /Users/jasonclissold/Documents/electronCUI/example_modules/ Installed location: examples/ folder in the ContextUI workflows directory

Templates (start here for new workflows)

ThemedWorkflowTemplate — Single-color theme template with all UI patterns (inputs, tabs, alerts, cards) MultiColorWorkflowTemplate — Multi-color dashboard template for complex UIs ToolExampleWorkflow — MCP tool integration template

ServerLauncher Pattern (Python backend)

KokoroTTS — Canonical source for ServerLauncher. Copy ui/ServerLauncher/ from here. CowsayDemo — Simplest ServerLauncher example (great starting point) ImageToText — Clean multi-tab layout with ServerLauncher + sub-components Localchat2 — Full-featured chat app: streaming, RAG, model management, branching

Frontend-only

Spreadsheet — Full spreadsheet app WordProcessor — Document editor Presentation — Slide deck builder SolarSystem — 3D visualization PeriodicTable — Interactive periodic table STLViewer — 3D model viewer

AI/ML Workflows

MusicGen — AI music generation SDXLGenerator — Stable Diffusion image generation RAG — Retrieval augmented generation VoiceAgent — Voice-based AI agent STT — Speech-to-text AnimatedCharacter — Chat with animated character List all: mcporter call contextui.list_workflows folder="examples" Read any: mcporter call contextui.read_workflow path="<path>"

Agent Registration

To use ContextUI as an agent: Install ContextUI from contextui.ai Configure MCP to connect your agent to ContextUI Start building — create workflows, publish to Exchange, earn credits

ServerLauncher Pattern (REQUIRED)

All workflows with Python backends MUST use the ServerLauncher pattern: Copy from canonical source: examples/KokoroTTS/ui/ServerLauncher/ → your workflow's ui/ServerLauncher/ Always use uvicorn[standard]: NOT just uvicorn. The [standard] extra includes WebSocket support. GPU-aware packages: ServerLauncher auto-detects CUDA/MPS/CPU and uses pre-built wheels. // ✅ Correct packages: ['fastapi', 'uvicorn[standard]', 'torch', 'llama-cpp-python'] // ❌ Wrong — WebSockets will fail, GPU builds may fail packages: ['fastapi', 'uvicorn', 'torch', 'llama-cpp-python']

GPU Package Handling

ServerLauncher automatically handles GPU-aware installation: PackageCUDA (Windows/Linux)Metal (Mac)torchPre-built wheel via --index-urlNative pipllama-cpp-pythonPre-built wheel via --extra-index-urlBuilds from source (CMAKE_ARGS) Why pre-built wheels? Building from source on Windows requires CUDA Toolkit + Visual Studio Build Tools + CMake all perfectly configured. Pre-built wheels just work.

Live Install Feedback

Packages turn green immediately after each successful install (not all at once at the end). Users see real-time progress.

HuggingFace Cache Monitoring

If your workflow downloads HF models and shows cache size: Scan both blobs/ AND snapshots/ directories Skip symlinks to avoid double-counting Check for .incomplete files to detect active downloads See references/cache-monitoring.md for the full pattern used by RAG, MusicGen, LocalChat, etc.

Tips

Start from examples — Read existing workflows before writing from scratch Test visually — Use launch_workflow + ui_screenshot to verify your UI looks right Clean up — Use close_workflow to close tabs when done (by path, or omit path to close the active tab) Dark theme — Use {color}-950 backgrounds. Light text. ContextUI is a dark-mode app. Tailwind only — No CSS files, no styled-components. Tailwind classes in JSX. Python for heavy lifting — Need ML, APIs, data processing? Write a Python backend, start it via MCP, call it from your TSX via fetch. Canonical examples: When copying patterns, use examples/KokoroTTS/ as the reference — it has the latest fixes.

ServerLauncher kills servers on tab close

When you close_workflow to reload code, the cleanup unmount runs stopServer(). The server dies. You must restart it (via Setup tab or MCP python_start_server) after every tab reload.

Don't poll health endpoints aggressively

Check server health once on mount — NOT on an interval. Polling every few seconds is noisy and wasteful. If you need to react to server state changes, use server.connected from the hook.

Tab switching via MCP bridge

Switch tabs by writing JSON to ~/ContextUI/.mcp-bridge/: {"type":"switch_tab","tab":"ExactComponentName","id":"unique_id"} Use list_tabs first to get the exact component name — partial matches don't work. Response appears as {id}.response.json in the same directory.

Prefer MCP tools for testing

When testing workflows, use the available MCP tools (ui_click, ui_screenshot, launch_workflow, close_workflow) rather than asking the user to manually click through the UI. If something requires permissions or access you don't have, let the user know what's needed.

Category context

Agent frameworks, memory systems, reasoning layers, and model-native orchestration.

Source: Tencent SkillHub

Largest current source with strong distribution and engagement signals.

Package contents

Included in package

4 Docs2 Config

references/cache-monitoring.md Docs
references/exchange-categories.md Docs
references/server-launcher.md Docs
references/workflow-guide.md Docs
_meta.json Config
.clawhub/origin.json Config