Chart Color System

Connect Remote server

claude mcp add --transport http chart-color-system https://chart-color-mcp.vercel.app/mcp

{
  "mcpServers": {
    "chart-color-system": {
      "url": "https://chart-color-mcp.vercel.app/mcp"
    }
  }
}

{
  "servers": {
    "chart-color-system": {
      "type": "http",
      "url": "https://chart-color-mcp.vercel.app/mcp"
    }
  }
}

Settings > Connectors > Add custom connector
URL: https://chart-color-mcp.vercel.app/mcp

Tools 4 found in our last check

• solve_palette

  Generate a categorical chart palette of n colors (1-12) that maximizes perceptual separation under normal vision and colorblindness, with the given brand colors locked as anchors in slot order. Returns the palette, the worst pair distances, the engine's relaxation notes, a full…

• audit_palette

  Audit existing chart colors for accessibility: pairwise OKLab separation under normal vision, deuteranopia, protanopia, tritanopia and achromatopsia, plus WCAG 2.2 non-text contrast (3:1) of every color against the chart background. Returns a pass / warn / fail verdict with the…

• simulate_palette

  Show what each color looks like to readers with deuteranopia, protanopia, tritanopia or achromatopsia (published Machado 2009 matrices), so an assistant can describe or render the palette as a colorblind reader sees it.

• build_ramp

  Build an evenly spaced perceptual (OKLab) color scale: sequential from start to end, or diverging from start through mid to end. Returns the steps and a background-contrast audit (pairwise separation is not judged for ramps).

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