Traditional Colors MCP Server

by omikuji Your server? Claim it

answering

Traditional Colors is answering right now. Last checked 13 min ago. It exposes 4 tools.

Traditional color names (Japanese and 10 more cultures) with hex/RGB and sources; name a hex.

Uptime history 24 hours of history

24 hours agonow

100.0%

Uptime 24h

88 of 88 checks

Tools

read from the server

123 ms

Response time

average over 24h

open, no key

Access

streamable-http

What changed 1

Every tool that appeared, vanished or quietly changed what it asks for. Recorded since 16 October 2026. No other catalogue keeps this.

16 Oct a tool changed version

Nothing serious here today

Today is the operative word: we check Traditional Colors every 15 minutes and re-read its code on every release. Watch it and you find out the day that stops being true.

Connect this server

Endpoint below is the one we actually reach during checks — not the one copied from a README. Last verified 13 min ago.

Claude Code Claude Desktop Codex Cursor VS Code

run in your terminal

claude mcp add color --transport http https://color.omikuji.dev/mcp

~/Library/Application Support/Claude/claude_desktop_config.json

{
  "mcpServers": {
    "color": {
      "url": "https://color.omikuji.dev/mcp"
    }
  }
}

~/.codex/config.toml

[mcp_servers.color]
url = "https://color.omikuji.dev/mcp"

.cursor/mcp.json

{
  "mcpServers": {
    "color": {
      "url": "https://color.omikuji.dev/mcp"
    }
  }
}

.vscode/mcp.json

{
  "mcpServers": {
    "color": {
      "url": "https://color.omikuji.dev/mcp"
    }
  }
}

Available tools 4

Read directly from the server with tools/list, grouped by what they act on. If a tool disappears, we record the date.

color

find_color

Look up traditional colors by name and get hex/RGB with sources. Accepts Japanese kanji (浅葱色), reading in hiragana or katakana (あさぎいろ), English (Asagi, Prussian Blue), with or without 色. Exact name matches come first.

colors

list_colors

List colors filtered by culture, category (e.g. 青系, 赤系), era (e.g. 平安, 江戸) or tag. At most 50 per call.

cultures

list_cultures

List the cultures covered, with color counts and categories.

nearest

nearest_colors

Given a hex code, return the closest traditional colors by CIEDE2000 color difference (delta_e). Use it to answer "what is this color called in Japanese tradition?".

Endpoints

URL	Transport	State	Latency	Checked
https://color.omikuji.dev/mcp	streamable-http	answering	83 ms	13 min ago

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Traditional Colors — questions

Answers built from our own checks of this server.

What can Traditional Colors do?

It exposes 4 tools, read directly from the server on our last check. Among them: find_color, list_colors, list_cultures, nearest_colors. The full list with descriptions is on this page — we take it from the server itself via tools/list, not from a README. How MCP servers expose tools in the first place →

Is Traditional Colors working right now?

We send a real MCP handshake every 15 minutes. Over the last 24 hours 88 of 88 checks got a reply (100.0%), average response time 123 ms. The bar chart above shows every period we have measured.

How do I connect Traditional Colors?

Copy the ready config from this page — we generate it for Claude Code, Claude Desktop, Codex, Cursor and VS Code, each with the file path that client actually reads. It is a remote server, so there is nothing to install — the client connects to the address.

Does Traditional Colors need an API key?

No. Traditional Colors completed a full MCP handshake with us as an anonymous client and listed its tools without asking for anything. All 4 of them are readable on this page. This is what we observed, not what the docs claim.

How fast is Traditional Colors?

It answers our handshake in 123 ms on average, which is faster than 81% of all working MCP servers we measure. That puts it in the quick quarter of the ecosystem. The comparison comes from our own checks across the whole registry, every 15 minutes.