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hermes-mcp vs everything

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

hermes-mcp
by cloudwalk
everything
by modelcontextprotocol
Stars★ 368★ 85,748
30d uses
Score5077
Official
Categories
AI / LLM ToolsDeveloper ToolsCommunication
Developer ToolsAI / LLM ToolsOther
LanguageElixirTypeScript
Last committhis monththis month

hermes-mcp · Summary

A high-performance Elixir SDK providing complete MCP client and server implementations with Elixir's concurrency and fault tolerance.

everything · Summary

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

hermes-mcp · Use cases

  • Building MCP servers for Elixir/Phoenix applications
  • Creating MCP clients to connect to external services
  • Implementing high-performance AI tool integrations with Elixir

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

hermes-mcp · Install

Installation

Add hermes_mcp to your dependencies in mix.exs:

def deps do
  [
    {:hermes_mcp, "~> 0.14.1"}
  ]
end

For Claude Desktop

Add to your claude_desktop_config.json:

{
  "mcpServers": {
    "hermes-elixir": {
      "command": "elixir",
      "args": ["--no-halt", "path/to/your/server.exs"]
    }
  }
}

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.