Open & Async vs Unplain

In-depth architectural comparison of the Open & Async and Unplain 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 Open & Async when:

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

Explore Open & Async Details

Choose Unplain when:

• You need dedicated capabilities in the Developer Tools domain.
• You prefer remote streaming HTTP/SSE transport architecture.
• Your security boundary fits: No auth required (Free / Open Source).

Explore Unplain Details

Feature & Specification Comparison

Specification	Open & Async Developer Tools	Unplain Developer Tools
Summary	Draft decision docs, turn meetings into async artifacts, and triage sync vs async in your editor.	Turn a document or an AI draft into a publish-ready PDF with a cover, contents and your branding.
Category & Scope	Developer Tools	Developer Tools
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": {
    "open-async": {
      "command": "npx",
      "args": [
        "-y",
        "@open-and-async/mcp"
      ]
    }
  }
}

{
  "mcpServers": {
    "unplain": {
      "url": "https://modelcontextprotocol.io"
    }
  }
}

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