How I Made ChartForge Available Inside Claude and ChatGPT via MCP

Most chart tools live in their own tab. You copy data, switch windows, fiddle with settings, export, paste. What if your AI assistant could just make the chart for you, mid-conversation? That's what ChartForge's MCP integration does. What is MCP? Model Context Protocol is an open standard for giving AI assistants access to external tools. Instead of the AI approximating a chart in ASCII or describing what it would look like, it actually calls ChartForge and gets back a real PNG. Claude Desktop, ChatGPT, Cursor, and dozens of other clients support MCP natively. What ChartForge Exposes Three tools: generate_chart — Describe a chart in plain English, get a publication-quality PNG back. Supports 7 style presets (midnight, frost, ember, minimal, corporate, neon, light). refine_chart — Take a previously generated chart and modify it: "make the bars blue", "add a legend", "remove the title". list_styles — See all available visual presets with descriptions. The AI picks the right tool based on