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Chart Master — Financial Visualization Agent

Convert financial and market data into Mermaid, ASCII, or HTML/Chart.js charts.

3|Updated May 9, 2026
Search Tags:#data visualization#mermaid#technical indicators#chart.js#investment reporting#financial charting
One-click install
npx skills add https://github.com/severin-ye/OpenStock--Analyst --skill chart-master-financial-visualization-agent
Or copy as Structured Prompt for Agent▼
Please help me install this Agent Skill.
Skill: Chart Master — Financial Visualization Agent
Source: https://github.com/severin-ye/OpenStock--Analyst/tree/main/src/investskill/plugins/us-stock-analysis/skills/chart-master
Command: npx skills add https://github.com/severin-ye/OpenStock--Analyst --skill chart-master-financial-visualization-agent

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve?

It helps analysts transform raw financial and market metrics into clear, presentation-ready charts that improve readability in markdown and HTML reports.

Core Features & Use Cases

  • Chart rendering across formats: Produces Mermaid charts by default, with fallbacks to ASCII and optional HTML/Chart.js for rich exports.
  • Supports common investing visualizations: Covers MA price overlays, price+volume, return histograms, RSI, MACD, earnings/revenue growth, peer valuation comparisons, margin trends, portfolio allocation, fair value range, signal scorecards, and support/resistance maps.
  • Report-ready annotations and standards: Applies consistent labeling/units, highlights key events like Golden/Death Cross, and ends with a standardized investment signal block.

Quick Start

Use the Chart Master skill to visualize NVDA’s price history, technical indicators (RSI/MACD), and valuation comparison for a markdown investment report, then include a short interpretation ending with the standard investment signal block.

Frequently Asked Questions about Chart Master — Financial Visualization Agent

High-intent search queries and answers about installing and using this skill.

FAQPage Schema
How do I generate Mermaid charts for financial data in a markdown report?▼

To generate Mermaid charts for financial data, this skill converts market metrics into publication-ready visualizations directly within markdown reports. It defaults to the Mermaid format to ensure compatibility and immediate rendering.

What is the best way to visualize technical indicators like RSI and MACD for investment reporting?▼

The best way to visualize technical indicators like RSI and MACD is using a financial charting skill that applies standardized annotations, highlights key events like Golden Cross, and appends an investment signal block for comprehensive reporting.

Can I export financial charts as HTML using Chart.js for rich visualization?▼

Yes, you can export financial charts as HTML using Chart.js for rich visualization. The skill prefers Mermaid by default but generates HTML/Chart.js outputs specifically when requested for rich export flows.

Does this financial charting tool support portfolio allocation and valuation comparison?▼

Yes, this financial charting tool supports portfolio allocation and peer valuation comparison. It covers fundamentals trend visualization, fair value range summaries, and signal scorecards across multiple export formats.

What format is used as a fallback when Mermaid or HTML charts are not supported?▼

ASCII is used as a universal fallback format when Mermaid or HTML charts are not supported. This ensures that price history, volume, and technical indicator data remain visible across terminal environments.

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