mcp-server vs everything

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

	mcp-server by configcat	everything by modelcontextprotocol
Stars	★ 15	★ 85,748
30d uses	—	—
Score	42	77
Official	—	✓
Categories	Developer ToolsAI / LLM ToolsProductivity	Developer ToolsAI / LLM ToolsOther
Language	TypeScript	TypeScript
Last commit	2 mo ago	this month

mcp-server · Summary

ConfigCat MCP server provides tool access to feature flag and configuration management through ConfigCat's public API.

everything · Summary

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

mcp-server · Use cases

Managing feature flags and configurations directly from code editors
Automating feature flag workflow management through MCP-enabled clients
Generating SDK documentation and code examples for new feature implementations

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

mcp-server · Install

Installation

Install the MCP server via npm:

npm install -g @configcat/mcp-server

Claude Desktop Configuration

Add the following to your claude_desktop_config.json:

{
  "mcpServers": {
    "ConfigCat": {
      "command": "npx",
      "args": ["-y", "@configcat/mcp-server"],
      "env": {
        "CONFIGCAT_API_USER": "YOUR_API_USER",
        "CONFIGCAT_API_PASS": "YOUR_API_PASSWORD"
      }
    }
  }
}

Visual Studio Code

Create a .vscode/mcp.json file:

{
  "servers": {
    "ConfigCat": {
      "command": "npx",
      "args": ["-y", "@configcat/mcp-server"],
      "env": {
        "CONFIGCAT_API_USER": "YOUR_API_USER",
        "CONFIGCAT_API_PASS": "YOUR_API_PASSWORD"
      }
    }
  }
}

Cursor

Open Preferences → Cursor Settings → MCP & Integrations
Click Add Custom MCP
Add the server definition with the JSON above.

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.