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90
MCP live MCP 2026-07-28 streamable-http

Color Companion

com.gumballtools/color-companion

Convert colours between hex, RGB, HSL, OKLCH and CMYK, and compute harmonies.

Watch this dependency Share evidence report
Uptime
100.0%
5 direct probes · 30d
Response
1154ms
last probe
Tools
1
callable
Resources
0
readable
Prompts
0
available
Primary URL
https://color-companion.gumballtools.com/api/mcp
Score: 90/100
Handshake verified by our own probe.
pass Answers the MCP handshake 50/50
The handshake and the list calls succeeded on the primary URL.
pass Lists tools, resources or prompts 30/30
1 tools, 0 resources, 0 prompts returned.
partial 3 or more catalogue items 0/10
1 item in total; 3 or more earns these points.
How to earn +10 points
Expose at least three tools, resources or prompts
Split a catch-all tool into focused ones, or publish your docs and templates as resources and prompts.
Docs →
pass Describes itself 10/10
77 characters; more than 30 earns these points.

Tools · 1

analyse_color

Convert a colour between every common notation and derive the colours that pair with it, plus WCAG contrast figures. Use this for any colour conversion or palette question, and prefer it over computi…

How to use

Claude Desktop or claude.ai: add a custom connector (Customize → Connectors; on Team and Enterprise plans an owner adds it under Organization settings → Connectors) with this server URL: https://color-companion.gumballtools.com/api/mcp

Cursor or Cline: add to your MCP config:

{
  "mcpServers": {
    "color_companion": {
      "url": "https://color-companion.gumballtools.com/api/mcp",
      "transport": "streamable-http"
    }
  }
}