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io.github.rog0x/color

Official registry AI and agents

Color convert, palette, contrast checker for AI agents

Source code Documentation

Install

Add this to your client's MCP configuration (Claude Desktop: claude_desktop_config.json; Cursor: .cursor/mcp.json; VS Code and others use the same "mcpServers" shape).

NPM package @rog0x/mcp-color-tools
Claude Code 
claude mcp add color -- npx -y @rog0x/mcp-color-tools@1.0.1
JSON configuration (Claude Desktop, Cursor, VS Code) 
{
    "mcpServers": {
        "color": {
            "command": "npx",
            "args": [
                "-y",
                "@rog0x/mcp-color-tools@1.0.1"
            ]
        }
    }
}

Documentation

From the project's README on GitHub, refreshed weekly. Links open on GitHub.

Contents
  1. mcp-color-tools
  2. Tools
  3. Setup
  4. Claude Desktop Configuration
  5. License

mcp-color-tools

MCP server providing color manipulation and design tools for AI agents.

Tools

color_convert

Convert a color between HEX, RGB, HSL, HSV, and CMYK. Accepts any format as input and returns all formats.

{ "color": "#ff6b35" }
{ "color": "rgb(255, 107, 53)" }
{ "color": "hsl(16, 100%, 60%)" }
{ "color": "hsv(16, 79%, 100%)" }
{ "color": "cmyk(0, 58, 79, 0)" }
palette_generate

Generate a color palette from a base color.

Types: complementary, analogous, triadic, split-complementary, monochromatic

{ "color": "#ff6b35", "type": "triadic" }
contrast_check

Check WCAG contrast ratio between two colors. Reports AA/AAA compliance for normal text, large text, and UI components.

{ "color1": "#ffffff", "color2": "#333333" }
color_mix

Mix, blend, lighten, darken, saturate, or desaturate colors.

{ "operation": "mix", "colors": ["#ff0000", "#0000ff"], "weights": [2, 1] }
{ "operation": "blend", "colors": ["#ff0000", "#0000ff"], "ratio": 0.3 }
{ "operation": "lighten", "colors": ["#ff6b35"], "amount": 20 }
{ "operation": "darken", "colors": ["#ff6b35"], "amount": 15 }
{ "operation": "saturate", "colors": ["#888888"], "amount": 30 }
{ "operation": "desaturate", "colors": ["#ff6b35"], "amount": 25 }
css_gradient

Generate CSS gradient code with direction, stops, and browser prefixes.

{
  "type": "linear",
  "colors": ["#ff6b35", "#ffd700", "#00bcd4"],
  "direction": "135deg"
}
{
  "type": "radial",
  "colors": [
    { "color": "#ff6b35", "position": 0 },
    { "color": "#ffd700", "position": 50 },
    { "color": "#00bcd4", "position": 100 }
  ],
  "direction": "circle at center"
}

Setup

npm install
npm run build

Claude Desktop Configuration

{
  "mcpServers": {
    "color-tools": {
      "command": "node",
      "args": ["path/to/mcp-color-tools/dist/index.js"]
    }
  }
}

License

MIT

Frequently asked questions

What is io.github.rog0x/color?

Color convert, palette, contrast checker for AI agents

How do I install io.github.rog0x/color?

It runs on your machine. In Claude Code: claude mcp add color -- npx -y @rog0x/mcp-color-tools@1.0.1. For other clients, paste the JSON configuration from this page into their MCP settings.

Does io.github.rog0x/color need an API key?

Its registry entry lists no required key or secret. Some features may still need an account with the service it connects to.

Is io.github.rog0x/color open source?

Yes. Its code is on GitHub under the MIT license.

Who maintains io.github.rog0x/color?

It is published by rog0x. AI.tn lists it but does not maintain or endorse it.

From the official MCP Registry. Listing is not an endorsement: review a server's code and permissions before giving it access to your data.