"JavaScript逆向工程技术与方法" matching MCP connectors:

Render chart images from JSON configs via a simple HTTP API. Six themes, ten marks, PNG/SVG output. No client-side JavaScript, no installs – just a URL that returns an image. MCP tools include render, validate, list themes, and browse examples.

a/b ratio shape, numbers discarded

Excel analytics: inspect, query (JSON rows), charts, and JSON-to-xlsx workbook writing.