MCP Servers

color-mcp-server

Provides color and design tools including palette generation, WCAG contrast checking, color conversion, gradients, color blindness simulation, and CSS variables, all without API keys.

README

color-mcp-server

MCP-Server fuer Farb- und Design-Tools: Palettengenerator, WCAG-Kontrast, Farbkonvertierung, Komplementaerfarben, Verlaeufe, Farbenblindheits-Simulation und CSS-Variablen.

Perfekt fuer Design-Agents, Frontend-Bots und Accessibility-Workflows. Keine API-Keys noetig.

Features (9 Tools)

Tool	Zweck
`tool_get_color_info`	Detail-Info zu einer Farbe (Name, RGB, HSL, CMYK) via TheColorAPI
`tool_get_color_info_local`	Schnelle lokale Color-Info ohne API-Call
`tool_generate_palette`	Palette generieren: monochrome, analogic, complement, triad, quad
`tool_check_contrast`	WCAG 2.1 Kontrast-Check (AA/AAA, normal/large)
`tool_convert_color`	Konvertierung zwischen hex, rgb, hsl, hsv
`tool_get_complementary_color`	Komplementaerfarbe (180 Grad im HSL-Rad)
`tool_generate_gradient`	Linearer Farbverlauf zwischen zwei Farben
`tool_simulate_color_blindness`	Protanopia, Deuteranopia, Tritanopia, Achromatopsia
`tool_get_css_variables`	CSS-Custom-Properties (`--color-1: #...;`) aus Palette

Installation

pip install color-mcp-server

Verwendung mit Claude Desktop

claude_desktop_config.json:

{
  "mcpServers": {
    "color": {
      "command": "color-mcp-server"
    }
  }
}

Beispiele

# Palette generieren
await tool_generate_palette(base_color="#3498db", mode="triad", count=3)

# Kontrast pruefen (WCAG 2.1)
tool_check_contrast(foreground="#ffffff", background="#3498db")
# -> {"contrast_ratio": 3.14, "wcag_aa_normal": False, "rating": "AA Large"}

# Farbverlauf fuer CSS
tool_generate_gradient(start_color="#ff0000", end_color="#0000ff", steps=5)

# Farbenblindheit simulieren
tool_simulate_color_blindness(color_hex="#ff0000", blindness_type="protanopia")

APIs

TheColorAPI (kostenlos, kein Key) -- Detail-Info und Palettengenerierung
Alle anderen Tools laufen rein lokal (Python colorsys)

Lizenz

MIT -- (c) AiAgentKarl

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