MCP server

Coolours

ltd.perpetualsummer/coolours

Checked 26 Oct 2026, 08:29 UTC · Connected to it and listed its tools

Turn AI-designed colour palettes into Coolours links, with colour names, CSS and contrast checks

Website

At a glance

Type

MCP server

Publisher

perpetualsummer.ltd (verified by the MCP Registry)

Status

Working at last check

Tools

3

Token cost

About 679 tokens per request

Sets up in

Claude Code, Claude Desktop, Codex, Gemini CLI, Cursor, VS Code, Antigravity, ChatGPT, OpenAI API, Grok

Last checked

26 Oct 2026, 08:29 UTC

Connect it to your agent

Add to CursorAdd to VS CodeVS Code Insiders

Opens the app, which shows the server and asks you to confirm. For other apps, copy the setup below.

Claude Code

claude mcp add --transport http coolours https://coolours.perpetualsummer.ltd/mcp

Claude Desktop

Settings → Connectors → Add custom connector, and paste the URL.

Codex (config.toml)

[mcp_servers.coolours]
url = "https://coolours.perpetualsummer.ltd/mcp"

Gemini CLI

{"mcpServers":{"coolours":{"httpUrl":"https://coolours.perpetualsummer.ltd/mcp"}}}

Cursor

{"mcpServers":{"coolours":{"url":"https://coolours.perpetualsummer.ltd/mcp"}}}

VS Code

{"servers":{"coolours":{"type":"http","url":"https://coolours.perpetualsummer.ltd/mcp"}}}

Antigravity

agy mcp add coolours https://coolours.perpetualsummer.ltd/mcp

ChatGPT

Settings → Apps & Connectors → Advanced settings: turn on Developer mode, then Create a connector and paste the URL. Which plans can do this varies.

OpenAI API (Responses tools)

{"type":"mcp","server_label":"coolours","server_url":"https://coolours.perpetualsummer.ltd/mcp","require_approval":"always"}

Grok (xAI API tools)

{"type":"mcp","server_label":"coolours","server_url":"https://coolours.perpetualsummer.ltd/mcp"}

Tools

• create_palette_link ~336 tokens
  Turn a colour palette you have chosen into a link that opens it in Coolours (coolours.perpetualsummer.ltd), where the user can preview the swatches, tweak them and export them. Use this whenever you propose a colour scheme, so the user can see it rather than read hex codes. Also returns WCAG contras
• export_palette ~214 tokens
  Export a palette as CSS custom properties or a JavaScript object, with each colour named after its nearest named colour. Output matches Coolours' own Export feature. create_palette_link already returns the CSS; use this for the JS object, or for a palette you didn't create. Use the output as given:
• parse_palette_link ~129 tokens
  Read the colours and name back out of a Coolours link (coolours.perpetualsummer.ltd/create/...). Use this when the user pastes a Coolours URL, for example after editing a palette on the site, so you can apply their changes.

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