What is the key difference between Ruv Swarm and Vizier?

Ruv Swarm belongs to the Developer Tools category with local stdio execution, while Vizier belongs to the Developer Tools category with local stdio execution.

How do I install Ruv Swarm or Vizier 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 Ruv Swarm and Vizier free or paid?

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

Which MCP server has more tools and community activity?

Ruv Swarm lists 0 tools with 2 views and 380 GitHub stars. Vizier lists 0 tools with 0 views and 0 GitHub stars.

Can I use both Ruv Swarm and Vizier 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

Ruv Swarm vs Vizier

In-depth architectural comparison of the Ruv Swarm and Vizier 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

Ruv Swarm

Developer Tools · Local stdio

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

Vizier

Developer Tools · Local stdio

Quality: 33/100 (Emerging) | Auth: No auth required

Verdict Summary: Choose Ruv Swarm if you need specialized Developer Tools tools running via a local process. Choose Vizier 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 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

Choose Vizier 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 Vizier Details

Feature & Specification Comparison

Specification	R Ruv Swarm Developer Tools	V Vizier Developer Tools
Summary	Neural network swarm orchestration with WebAssembly acceleration and MCP integration	CDS VizieR — astronomical catalogue server (tens of thousands of catalogues)
Category & Scope	Developer Tools	Developer Tools
Quality signal

Tools & Capabilities Breakdown

Ruv Swarm Tools (0)

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

Vizier 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).

Ruv Swarm Configuration

mcpServers (Claude Desktop / Cursor)

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

Vizier Configuration

mcpServers (Claude Desktop / Cursor)

{
  "mcpServers": {
    "vizier": {
      "command": "npx",
      "args": [
        "-y",
        "vizier"
      ]
    }
  }
}

Frequently Asked Questions

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

More alternatives to Ruv Swarm More alternatives to Vizier Developer Tools category hub