Use the web-artifacts-builder skill.
Build a personal trading-journal web app called “Signal Ledger.”
Requirements:
- Use a dark, information-dense desktop layout.
- Create a dashboard with cards for total P&L, win rate, average holding period, and number of open positions.
- Add a Trades page with a sortable/filterable table.
- Include an “Add Trade” dialog with fields for symbol, direction, entry/exit price, quantity, date, setup, and notes.
- Add an Analytics page with charts for cumulative P&L and results grouped by setup.
- Seed it with realistic fictional data only.
- Keep all data in browser local storage.
- Use React, Tailwind, and shadcn/ui where appropriate.
- Deliver it as a single self-contained HTML artifact I can run in the artifact preview.
Keep using the web-artifacts-builder skill.
Make the Trades page feel more like a professional blotter:
- Add saved filter presets: “Today,” “This week,” “Losing trades,” and “Mean reversion.”
- Add a side panel that opens when a trade row is clicked.
- Add keyboard shortcut N to open Add Trade.
- Do not change the existing data model or remove local-storage persistence.
Add CSV import and export. Validate column names during import and show a clear error report for invalid rows. Preserve the existing seeded data unless the user confirms replacement.

Web Artifacts Builder
To build powerful frontend claude.ai artifacts, follow these steps:
Initialize the frontend repo using scripts/init-artifact.sh
Develop your artifact by editing the generated code
Bundle all code into a single HTML file using scripts/bundle-artifact.sh
Display artifact to user
(Optional) Test the artifact
Stack: React 18 + TypeScript + Vite + Parcel (bundling) + Tailwind CSS + shadcn/ui
Design & Style Guidelines
VERY IMPORTANT: To avoid what is often referred to as "AI slop", avoid using excessive centered layouts, purple gradients, uniform rounded corners, and Inter font.
Quick Start
Step 1: Initialize Project
Run the initialization script to create a new React project:
bash
bash scripts/init-artifact.sh <project-name>
cd <project-name>
This creates a fully configured project with:
✅ React + TypeScript (via Vite)
✅ Tailwind CSS 3.4.1 with shadcn/ui theming system
✅ Path aliases (@/) configured
✅ 40+ shadcn/ui components pre-installed
✅ All Radix UI dependencies included
✅ Parcel configured for bundling (via .parcelrc)
✅ Node 18+ compatibility (auto-detects and pins Vite version)
Step 2: Develop Your Artifact
To build the artifact, edit the generated files. See Common Development Tasks below for guidance.
Step 3: Bundle to Single HTML File
To bundle the React app into a single HTML artifact:
bash
bash scripts/bundle-artifact.sh
This creates bundle.html - a self-contained artifact with all JavaScript, CSS, and dependencies inlined. This file can be directly shared in Claude conversations as an artifact.
Requirements: Your project must have an index.html in the root directory.
What the script does:
Installs bundling dependencies (parcel, @parcel/config-default, parcel-resolver-tspaths, html-inline)
Creates .parcelrc config with path alias support
Builds with Parcel (no source maps)
Inlines all assets into single HTML using html-inline
Step 4: Share Artifact with User
Finally, share the bundled HTML file in conversation with the user so they can view it as an artifact.
Step 5: Testing/Visualizing the Artifact (Optional)
Note: This is a completely optional step. Only perform if necessary or requested.
To test/visualize the artifact, use available tools (including other Skills or built-in tools like Playwright or Puppeteer). In general, avoid testing the artifact upfront as it adds latency between the request and when the finished artifact can be seen. Test later, after presenting the artifact, if requested or if issues arise.
Reference
shadcn/ui components: https://ui.shadcn.com/docs/components