Coolours
by perpetualsummer.ltd · ltd.perpetualsummer/coolours
Turn AI-designed colour palettes into Coolours links, with colour names, CSS and contrast checks
- Category
- AI and agents
- Connection
- Remote (HTTP)
- Tools
- 3 reported
- Status
- Online
Connect it to your AI
Claude Code
claude mcp add --transport http coolours https://coolours.perpetualsummer.ltd/mcpClaude, ChatGPT, Cursor and other apps
Add it as a custom connector with this URL (Streamable HTTP):
https://coolours.perpetualsummer.ltd/mcpCursor, VS Code and other apps (mcp.json)
{
"mcpServers": {
"coolours": {
"url": "https://coolours.perpetualsummer.ltd/mcp"
}
}
}Tools it offers
3 tools, as the server itself reported during our check on Oct 31, 2026.
create_palette_linkTurn 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 scheparse_palette_linkRead 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 changexport_paletteExport 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
Questions
What is the Coolours MCP server?
Turn AI-designed colour palettes into Coolours links, with colour names, CSS and contrast checks. It is made by perpetualsummer.ltd and listed in the official MCP Registry as ltd.perpetualsummer/coolours. MCP (Model Context Protocol) is the open standard that lets AI apps like Claude, ChatGPT and Cursor use outside tools.
How do I add Coolours to Claude?
In the Claude app or claude.ai, open Settings, then Connectors, choose "Add custom connector" and paste https://coolours.perpetualsummer.ltd/mcp. In Claude Code, run: claude mcp add --transport http coolours https://coolours.perpetualsummer.ltd/mcp
How do I add Coolours to ChatGPT?
ChatGPT can use remote MCP servers as connectors. In ChatGPT settings, under Apps and Connectors, turn on developer mode if asked, create a new connector and paste https://coolours.perpetualsummer.ltd/mcp.
How do I add Coolours to Cursor?
Open Cursor settings, go to MCP, choose "Add new MCP server" (or edit ~/.cursor/mcp.json) and add: { "mcpServers": { "coolours": { "url": "https://coolours.perpetualsummer.ltd/mcp" } } }
Does Coolours work right now?
Yes. It responded when we last checked on 31 Oct 2026. We check remote MCP servers every day.
What can Coolours do?
It gives your AI 3 tools, including create_palette_link, parse_palette_link, export_palette. The full list is on this page.
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Markdown (GitHub README)
[](https://chen.media/mcp/ltd-perpetualsummer-coolours)HTML (switches to dark mode on its own)
<a href="https://chen.media/mcp/ltd-perpetualsummer-coolours"><picture><source media="(prefers-color-scheme: dark)" srcset="https://chen.media/mcp/badge/ltd-perpetualsummer-coolours.svg?theme=dark"><img src="https://chen.media/mcp/badge/ltd-perpetualsummer-coolours.svg" alt="Listed on chen.media/mcp" height="40"></picture></a>More in AI and agents
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