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Color Contrast Checker MCP Server for VS Code Copilot 8 tools — connect in under 2 minutes

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GitHub Copilot in VS Code is the most widely adopted AI coding assistant, embedded directly into the world's most popular code editor. With MCP support in Agent mode, Copilot can access external data and APIs to generate context-aware code grounded in real-time information.

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Classic Setup·json
{
  "mcpServers": {
    "color-contrast-checker": {
      "url": "https://edge.vinkius.com/[YOUR_TOKEN_HERE]/mcp"
    }
  }
}
Color Contrast Checker
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About Color Contrast Checker MCP Server

Connect Color Contrast Checker to your AI agent and validate WCAG accessibility compliance for any color combination.

GitHub Copilot Agent mode brings Color Contrast Checker data directly into your VS Code workflow. With a project-scoped config, the entire team shares access to 8 tools. Copilot queries live data, generates typed code, and writes tests from actual API responses, all without leaving the editor.

What you can do

  • Custom Contrast Checks — Test any foreground/background color pair against WCAG AA and AAA standards
  • Preset Scenarios — Quickly check text on white, text on black, white text on colors, and black text on colors
  • Dark Mode Validation — Verify color contrast for dark mode UI designs
  • Light Mode Validation — Ensure readability in light theme interfaces
  • Accessibility Reporting — Get instant pass/fail reports with contrast ratios

The Color Contrast Checker MCP Server exposes 8 tools through the Vinkius. Connect it to VS Code Copilot in under two minutes — no API keys to rotate, no infrastructure to provision, no vendor lock-in. Your configuration, your data, your control.

How to Connect Color Contrast Checker to VS Code Copilot via MCP

Follow these steps to integrate the Color Contrast Checker MCP Server with VS Code Copilot.

01

Create MCP config

Create a .vscode/mcp.json file in your project root

02

Add the server config

Paste the JSON configuration above

03

Enable Agent mode

Open GitHub Copilot Chat and switch to Agent mode using the dropdown

04

Start using Color Contrast Checker

Ask Copilot: "Using Color Contrast Checker, help me...". 8 tools available

Why Use VS Code Copilot with the Color Contrast Checker MCP Server

GitHub Copilot for Visual Studio Code provides unique advantages when paired with Color Contrast Checker through the Model Context Protocol.

01

VS Code is used by over 70% of developers. adding MCP tools to Copilot means your team can leverage external data without leaving their primary editor

02

Project-scoped MCP configs (`.vscode/mcp.json`) let you commit server configurations to your repository, ensuring the entire team shares the same tool access

03

Copilot's Agent mode integrates MCP tools seamlessly with file editing, terminal commands, and workspace search in a single agentic loop

04

GitHub's enterprise compliance and audit features extend to MCP tool usage, providing visibility into how AI interacts with external services

Color Contrast Checker + VS Code Copilot Use Cases

Practical scenarios where VS Code Copilot combined with the Color Contrast Checker MCP Server delivers measurable value.

01

Live API integration: Copilot can query an MCP server, inspect the response schema, and generate typed API client code in the same step

02

DevSecOps workflows: security teams can give developers access to domain intelligence tools directly in their editor for real-time vulnerability assessment during code review

03

Data pipeline development: Copilot fetches sample data via MCP and generates transformation scripts, validators, and test fixtures from actual API responses

04

Documentation generation: Copilot queries available tools and auto-generates README sections, API reference docs, and usage examples

Color Contrast Checker MCP Tools for VS Code Copilot (8)

These 8 tools become available when you connect Color Contrast Checker to VS Code Copilot via MCP:

01

check_black_text_on_bg

Check contrast of pure black text against a specific background

02

check_color_contrast

1 contrast ratio for a specific foreground and background color pair to audit visual accessibility. Check the WCAG contrast ratio between a foreground and background color

03

check_danger_text_contrast

Check contrast of standard danger/error red text on a background

04

check_dark_mode_surface

Check contrast against a standard dark mode surface

05

check_light_mode_surface

Check contrast against a standard light mode surface

06

check_text_on_pure_black

Check contrast of a text color against a pure black background

07

check_text_on_pure_white

Check contrast of a text color against a pure white background

08

check_white_text_on_bg

Check contrast of pure white text against a specific background

Example Prompts for Color Contrast Checker in VS Code Copilot

Ready-to-use prompts you can give your VS Code Copilot agent to start working with Color Contrast Checker immediately.

01

"Check if #3B82F6 works on a white background for body text."

Troubleshooting Color Contrast Checker MCP Server with VS Code Copilot

Common issues when connecting Color Contrast Checker to VS Code Copilot through the Vinkius, and how to resolve them.

01

MCP tools not available

Ensure you are in Agent mode in Copilot Chat. MCP tools only appear in Agent mode.

Color Contrast Checker + VS Code Copilot FAQ

Common questions about integrating Color Contrast Checker MCP Server with VS Code Copilot.

01

Which VS Code version supports MCP?

MCP support requires VS Code 1.99 or later with the GitHub Copilot extension. Ensure both are updated to the latest version. Older versions of Copilot may not expose the Agent mode toggle.
02

How do I switch to Agent mode?

Open the Copilot Chat panel and look for two mode options: "Ask" and "Agent". Click "Agent" to enable autonomous tool calling. In Ask mode, Copilot provides conversational answers but cannot invoke MCP tools.
03

Can I restrict which MCP tools Copilot can access?

Yes. VS Code shows a tool consent dialog before any MCP tool is invoked for the first time. You can also configure tool access policies at the organization level through GitHub Copilot settings.
04

Does MCP work in VS Code Remote or Codespaces?

Yes. MCP servers configured via .vscode/mcp.json work in Remote SSH, WSL, and GitHub Codespaces environments. The MCP connection is established from the remote host, so ensure the server URL is accessible from that environment.

Connect Color Contrast Checker to VS Code Copilot

Get your token, paste the configuration, and start using 8 tools in under 2 minutes. No API key management needed.