Onepassword Agent MCP vs Enigmagent MCP

In-depth architectural comparison of the Onepassword Agent MCP and Enigmagent MCP MCP servers. Compare execution transports, security boundaries, tool capabilities, quality scores, and ready-to-paste client installation snippets for Claude, Cursor, Windsurf, and VS Code.

Which MCP Server Should You Choose?

Choose Onepassword Agent MCP when:

• You need dedicated capabilities in the Security domain.
• You prefer local stdio subprocess transport architecture.
• Your security boundary fits: No auth required (Free / Open Source).

Explore Onepassword Agent MCP Details

Choose Enigmagent MCP when:

• You need dedicated capabilities in the Security domain.
• You prefer local stdio subprocess transport architecture.
• Your security boundary fits: No auth required (Free / Open Source).
• Primary tools included: enigmagent_resolve, enigmagent_list.

Explore Enigmagent MCP Details

Feature & Specification Comparison

Specification	Onepassword Agent MCP Security	Enigmagent MCP Security
Summary	Local MCP access to approved 1Password fields without exposing plaintext secrets to AI agents.	Local AES-256-GCM vault for AI agents. Secrets stay local, LLMs never see real API keys.
Category & Scope	Security	Security
Quality signal

Tools & Capabilities Breakdown

Ready-to-Paste Client Configurations

Paste either (or both) of these JSON server blocks into your client config file (e.g. claude_desktop_config.json or ~/.cursor/mcp.json).

{
  "mcpServers": {
    "onepassword-agent-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "onepassword-agent-mcp"
      ]
    }
  }
}

{
  "mcpServers": {
    "enigmagent-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "enigmagent-mcp"
      ]
    }
  }
}

Related MCP Server Comparisons