eion vs everything

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

	eion by eiondb	everything by modelcontextprotocol
Stars	★ 155	★ 85,748
30d uses	—	—
Score	45	77
Official	—	✓
Categories	Knowledge GraphAI / LLM ToolsDeveloper Tools	Developer ToolsAI / LLM ToolsOther
Language	Go	TypeScript
Last commit	11 mo ago	this month

eion · Summary

Eion provides a shared memory storage with knowledge graph capabilities for multi-agent systems via MCP server.

everything · Summary

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

eion · Use cases

Multi-agent systems with shared memory and knowledge
LLM applications with persistent conversation history
Agent agencies with sequential or concurrent processing

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

eion · Install

Installation

Clone the repository and set up the environment:

git clone <repo>
cd eion
docker-compose up -d

Setup database extensions:

docker exec eion_postgres psql -U eion -d eion -c "CREATE EXTENSION IF NOT EXISTS vector;"
docker exec -i eion_postgres psql -U eion -d eion < database_setup.sql

Install Python dependencies:

python3 -m venv .venv
source .venv/bin/activate
pip install -r requirements.txt

Build and run the server:

go build -o eion-server ./cmd/eion-server
./eion-server

For Claude Desktop integration, add to your claude_desktop_config.json:

{
  "mcpServers": {
    "eion": {
      "command": "python",
      "args": ["-m", "internal.mcp.server"],
      "env": {"EION_BASE_URL": "http://localhost:8080"},
      "cwd": "/path/to/eion"
    }
  }
}

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.