What is the key difference between Contrast Checker MCP and Ruv Swarm?

Contrast Checker MCP belongs to the Developer Tools category with local stdio execution, while Ruv Swarm belongs to the Developer Tools category with local stdio execution.

How do I install Contrast Checker MCP or Ruv Swarm in Claude Desktop or Cursor?

Copy the mcpServers JSON configuration snippet provided on this page into your claude_desktop_config.json or ~/.cursor/mcp.json file and restart your AI client.

Are Contrast Checker MCP and Ruv Swarm free or paid?

Contrast Checker MCP operates under a Free / Open Source model (No auth required). Ruv Swarm operates under a Free / Open Source model (No auth required).

Which MCP server has more tools and community activity?

Contrast Checker MCP lists 3 tools with 0 views and 0 GitHub stars. Ruv Swarm lists 0 tools with 2 views and 380 GitHub stars.

Can I use both Contrast Checker MCP and Ruv Swarm together in the same MCP host?

Yes! MCP hosts like Claude Desktop, Cursor, Windsurf, Cline, and VS Code support configuring multiple servers under the mcpServers object simultaneously.

Side-by-Side Model Context Protocol Comparison

Contrast Checker MCP vs Ruv Swarm

In-depth architectural comparison of the Contrast Checker MCP and Ruv Swarm MCP servers. Compare execution transports, security boundaries, tool capabilities, quality scores, and ready-to-paste client installation snippets for Claude, Cursor, Windsurf, and VS Code.

At a Glance & Executive Verdict

Contrast Checker MCP

Developer Tools · Local stdio

Quality: 48/100 (Fair) | Auth: No auth required

Ruv Swarm

Developer Tools · Local stdio

Quality: 49/100 (Fair) | Auth: No auth required

Verdict Summary: Choose Contrast Checker MCP if you need specialized Developer Tools tools running via a local process. Choose Ruv Swarm if your workspace requires Developer Tools integration with local subprocess execution. Both servers can be configured concurrently in your client's mcpServers manifest.

Which MCP Server Should You Choose?

Choose Contrast Checker MCP when:

You need dedicated capabilities in the Developer Tools domain.
You prefer local stdio subprocess transport architecture.
Your security boundary fits: No auth required (Free / Open Source).
Primary tools included: check_contrast, suggest_accessible_color, parse_color.

Explore Contrast Checker MCP Details

Choose Ruv Swarm when:

You need dedicated capabilities in the Developer Tools domain.
You prefer local stdio subprocess transport architecture.
Your security boundary fits: No auth required (Free / Open Source).

Explore Ruv Swarm Details

Feature & Specification Comparison

Specification	C Contrast Checker MCP Developer Tools	R Ruv Swarm Developer Tools
Summary	MCP - WCAG 2.1 color contrast checker - contrast ratios, compliance and accessible color suggestions	Neural network swarm orchestration with WebAssembly acceleration and MCP integration
Category & Scope	Developer Tools	Developer Tools
Quality signal

Tools & Capabilities Breakdown

Contrast Checker MCP Tools (3)

check_contrast

Check the contrast ratio between two colors and evaluate WCAG 2.1 compliance.

suggest_accessible_color

Suggest a replacement color that meets a WCAG contrast target, keeping the hue as close to the original as possible.

parse_color

Parse a color string and return it in multiple formats.

Ruv Swarm Tools (0)

No explicit tool names declared in metadata yet. Check project README on main listing page.

Ready-to-Paste Client Configurations

Paste either (or both) of these JSON server blocks into your client config file (e.g. claude_desktop_config.json or ~/.cursor/mcp.json).

Contrast Checker MCP Configuration

mcpServers (Claude Desktop / Cursor)

{
  "mcpServers": {
    "contrast-checker-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "contrast-checker-mcp"
      ]
    }
  }
}

Ruv Swarm Configuration

mcpServers (Claude Desktop / Cursor)

{
  "mcpServers": {
    "ruv-swarm": {
      "command": "npx",
      "args": [
        "-y",
        "ruv-swarm@latest"
      ]
    }
  }
}

Frequently Asked Questions

Contrast Checker MCP is categorized under Developer Tools and uses a local stdio subprocess. In contrast, Ruv Swarm belongs to Developer Tools using local stdio subprocess. Select Contrast Checker MCP when you need capabilities focused on developer tools and Ruv Swarm when you require tools for developer tools.

More alternatives to Contrast Checker MCP More alternatives to Ruv Swarm Developer Tools category hub