MCP server

Contrast ratio for two hex colors

io.github.sadri-dridi/contrast-ok

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

Contrast ratio for two hex colors

Source

At a glance

Type

MCP server

Publisher

Not verified

Status

Working at last check

Tools

31

Token cost

About 9,812 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 contrast-ok https://agent-observatory-sensor.nolimit-observatory.workers.dev/s/contrast-ok/mcp

Claude Desktop

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

Codex (config.toml)

[mcp_servers.contrast-ok]
url = "https://agent-observatory-sensor.nolimit-observatory.workers.dev/s/contrast-ok/mcp"

Gemini CLI

{"mcpServers":{"contrast-ok":{"httpUrl":"https://agent-observatory-sensor.nolimit-observatory.workers.dev/s/contrast-ok/mcp"}}}

Cursor

{"mcpServers":{"contrast-ok":{"url":"https://agent-observatory-sensor.nolimit-observatory.workers.dev/s/contrast-ok/mcp"}}}

VS Code

{"servers":{"contrast-ok":{"type":"http","url":"https://agent-observatory-sensor.nolimit-observatory.workers.dev/s/contrast-ok/mcp"}}}

Antigravity

agy mcp add contrast-ok https://agent-observatory-sensor.nolimit-observatory.workers.dev/s/contrast-ok/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":"contrast-ok","server_url":"https://agent-observatory-sensor.nolimit-observatory.workers.dev/s/contrast-ok/mcp","require_approval":"always"}

Grok (xAI API tools)

{"type":"mcp","server_label":"contrast-ok","server_url":"https://agent-observatory-sensor.nolimit-observatory.workers.dev/s/contrast-ok/mcp"}

Tools

• contrast-ok ~306 tokens
  Contrast ratio for two hex colors

Browse

• GitHub tools
• GitHub and code hosting

Related MCP servers

• ToolAPI
  Free public MCP for AI agents — 193 tools, 44 workflows. No API key.
• Color
  Color utilities MCP.
• Color Palette
  Cloudflare Workers MCP server: color-palette
• ContrastKit
  WCAG color contrast checks, nearest accessible color, CSS color conversion and palette pair checks.
• APIShed
  Validates PESEL/NIP/REGON/IBAN/Luhn/ISBN/EAN/BIC/VAT; RPN, dates, hash, tokens, random, encode, time
• Jinero
  AI-agent design tools: fonts, font recognition, palettes, color naming, contrast, code, SVG, CSS.
• IA-QA — 130+ QA & Dev Tools for AI Agents
  130+ QA & dev tools for AI agents: prompt injection, RAG testing, VLM eval, guardrails. Free.
• toolfound
  Agent-native launch platform and tool directory: search, alternatives, trending, launch via MCP.

Badge for your README

[![AptLynx](https://aptlynx.net/badge/io.github.sadri-dridi/contrast-ok.svg)](https://aptlynx.net/servers/io.github.sadri-dridi/contrast-ok)

Listing text is written by the maker; AptLynx lists tools and does not vouch for them. Find another tool · Browse by topic · For agents