agent-inbox vs everything

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

	agent-inbox by gsd-build	everything by modelcontextprotocol
Stars	★ 42	★ 85,748
30d uses	—	—
Score	45	77
Official	—	✓
Categories	CommunicationDeveloper ToolsAI / LLM Tools	Developer ToolsAI / LLM ToolsOther
Language	JavaScript	TypeScript
Last commit	1 mo ago	this month

agent-inbox · Summary

MCP server providing temporary email addresses for AI agents to handle email verification and auth flows automatically.

everything · Summary

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

agent-inbox · Use cases

Automated account registration for services requiring email verification
Testing email-based authentication flows in development environments
AI agent testing of sign-up workflows without human intervention

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

agent-inbox · Install

Install

npx gsd-agent-inbox

The interactive installer auto-detects your AI coding agents (Claude Code, Codex CLI, Cursor, Gemini CLI, Windsurf) and configures the MCP server automatically.

Manual Setup for Claude Desktop

Add to ~/.claude/settings.json:

{
  "mcpServers": {
    "agent-inbox": {
      "command": "npx",
      "args": ["-y", "gsd-agent-inbox"]
    }
  }
}

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.