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MegaMemory vs everything

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

MegaMemory
by 0xK3vin
everything
by modelcontextprotocol
Stars★ 168★ 85,748
30d uses
Score5077
Official
Categories
Knowledge GraphDeveloper ToolsAI / LLM Tools
Developer ToolsAI / LLM ToolsOther
LanguageTypeScriptTypeScript
Last commit1 mo agothis month

MegaMemory · Summary

MegaMemory is an MCP server that creates persistent project knowledge graphs with semantic search for coding agents.

everything · Summary

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

MegaMemory · Use cases

  • Long-term codebase maintenance with persistent architectural understanding
  • Team collaboration with shared knowledge graphs across branches
  • IDE/editor integration for context-aware coding assistance

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

MegaMemory · Install

Installation

npm install -g megamemory

For Claude Desktop

Add to Claude Desktop configuration:

{
  "mcpServers": {
    "megamemory": {
      "command": "megamemory",
      "args": []
    }
  }
}

For Other MCP Clients

megamemory install --target <client-name>

Where client-name can be opencode, claudecode, antigravity, or codex.

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.