comet-mcp vs everything

Side-by-side comparison to help you pick between these two MCP servers.

	comet-mcp by hanzili	everything by modelcontextprotocol
Stars	★ 155	★ 85,748
30d uses	—	—
Score	47	77
Official	—	✓
Categories	Browser AutomationWeb ScrapingDeveloper Tools	Developer ToolsAI / LLM ToolsOther
Language	TypeScript	TypeScript
Last commit	4 mo ago	this month

comet-mcp · Summary

MCP server connecting Claude Code to Perplexity Comet browser for intelligent web browsing and research.

everything · Summary

Official MCP test server exercising all protocol features for client builders.

comet-mcp · Use cases

Web research and information gathering
Account login and management across websites
Complex web navigation and form filling

everything · Use cases

Testing MCP client implementations against all protocol features
Learning MCP protocol capabilities through a reference server
Validating client compatibility with different transport methods

comet-mcp · Install

Install the package via npm:

npm install -g comet-mcp

Add to Claude configuration (e.g., ~/.claude.json or .mcp.json):

{
  "mcpServers": {
    "comet-bridge": {
      "command": "npx",
      "args": ["-y", "comet-mcp"]
    }
  }
}

Install Perplexity Comet browser from https://www.perplexity.ai/comet and configure if needed with custom path:

{
  "mcpServers": {
    "comet-bridge": {
      "command": "npx",
      "args": ["-y", "comet-mcp"],
      "env": {
        "COMET_PATH": "/path/to/your/Comet"
      }
    }
  }
}

everything · Install

NPX (recommended)

{
  "mcpServers": {
    "everything": {
      "command": "npx",
      "args": ["-y", "@modelcontextprotocol/server-everything"]
    }
  }
}

On Windows, use cmd /c:

{
  "mcpServers": {
    "everything": {
      "command": "cmd",
      "args": ["/c", "npx", "-y", "@modelcontextprotocol/server-everything"]
    }
  }
}

Docker

{
  "mcpServers": {
    "everything": {
      "command": "docker",
      "args": ["run", "-i", "--rm", "mcp/everything"]
    }
  }
}

Global install

npm install -g @modelcontextprotocol/server-everything@latest
npx @modelcontextprotocol/server-everything

Comparison generated from public README + GitHub signals. Last updated automatically.