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everything vs mcp-sdk-client-ssejs

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

everything
by modelcontextprotocol
mcp-sdk-client-ssejs
by mybigday
Stars★ 85,748★ 0
30d uses
Score7730
Official
Categories
Developer ToolsAI / LLM ToolsOther
Developer ToolsAI / LLM ToolsOther
LanguageTypeScriptTypeScript
Last committhis month8 mo ago

everything · Summary

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

mcp-sdk-client-ssejs · Summary

A React Native-compatible client transport for MCP using SSE.js to support llm.rn integration.

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-sdk-client-ssejs · Use cases

  • Building React Native applications that need to integrate with MCP servers
  • Implementing AI-powered features in mobile apps using llama.rn
  • Creating custom MCP client transports for specific environments

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

mcp-sdk-client-ssejs · Install

npm install @modelcontextprotocol/sdk
npm install mcp-sdk-client-ssejs

For React Native, you may need to configure your metro config:

module.exports = {
  presets: [/* ... */],
  plugins: [
    [
      'module-resolver',
      {
        alias: {
          '@modelcontextprotocol/sdk': '@modelcontextprotocol/sdk/dist/esm',
        },
      },
    ],
  ],
}

If CustomEvent is missing in React Native, add this polyfill:

import NativeCustomEvent from 'react-native/Libraries/Events/CustomEvent'

window.CustomEvent = class CustomEvent extends NativeCustomEvent {
  constructor(type, eventInitDict = {}) {
    super(type, eventInitDict)
  }
}
Comparison generated from public README + GitHub signals. Last updated automatically.