Volta MCP Server vs Onepassword Agent MCP

In-depth architectural comparison of the Volta MCP Server and Onepassword Agent 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 Volta MCP Server 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: create_volta_note, read_volta_note.

Explore Volta MCP Server Details

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

Feature & Specification Comparison

Specification	Volta MCP Server iamredmh Security	Onepassword Agent MCP Security
Summary	Burn-after-read encrypted notes for AI agents. Create and read self-destructing notes via Volta Notes with AES-256-GCM E2E encryption — the decryption key never leaves the URL fragment. Secure credential handoff between users and agents without secrets appearing in chat history.	Local MCP access to approved 1Password fields without exposing plaintext secrets to AI agents.
Category & Scope	Security

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": {
    "iamredmh-volta-mcp-server": {
      "command": "npx",
      "args": [
        "-y",
        "args"
      ]
    }
  }
}

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

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