keryx vs everything

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

	keryx by actionhero	everything by modelcontextprotocol
Stars	★ 29	★ 85,748
30d uses	—	—
Score	44	77
Official	—	✓
Categories	Developer ToolsAI / LLM ToolsOps & Infra	Developer ToolsAI / LLM ToolsOther
Language	TypeScript	TypeScript
Last commit	1 mo ago	this month

keryx · Summary

Fullstack TypeScript framework where actions work as HTTP, WebSocket, CLI, tasks, and MCP tools automatically.

everything · Summary

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

keryx · Use cases

Building AI agent backends with MCP tools that mirror your existing API endpoints
Creating unified APIs that work across web, WebSocket, CLI, and background processing
Developing fullstack applications with Drizzle ORM and type-safe responses

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

keryx · Install

# Create a new project
bunx keryx new my-app
cd my-app
cp .env.example .env
bun install
bun dev

For Claude Desktop MCP configuration:

{
  "mcpServers": {
    "my-app": {
      "url": "http://localhost:8080/mcp"
    }
  }
}

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.