Ui Annotator MCP vs Vynix

In-depth architectural comparison of the Ui Annotator MCP and Vynix 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 Ui Annotator MCP 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).
• Primary tools included: Reverse proxy with injected hover annotations, Element names, CSS selectors, content previews, and dimensions, MCP tools for annotation, element lookup, highlighting, rescanning, and inspect mode.

Explore Ui Annotator MCP Details

Choose Vynix when:

• You need dedicated capabilities in the Developer Tools domain.
• You prefer local stdio subprocess transport architecture.
• Your security boundary fits: API Key required (Free / Open Source).
• You have access to required keys: VYNIX_API_TOKEN, VYNIX_API_EMAIL, VYNIX_API_PASSWORD.
• Primary tools included: Accesses screenshots, annotations, and browser diagnostics, Provides 17 read and write MCP tools, Supports GitHub issue workflows through Vynix.

Feature & Specification Comparison

Specification	Ui Annotator MCP mcpware Developer Tools	Vynix Developer Tools
Summary	Annotates any web page with hover labels for AI assistants — reverse proxy injection, zero browser extensions. npx @mcpware/ui-annotator	Give AI coding agents access to your Vynix visual feedback, bug reports, and AI diagnosis.
Category & Scope	Developer Tools	Developer Tools

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": {
    "mcpware-ui-annotator-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "@mcpware/ui-annotator"
      ]
    }
  }
}

{
  "mcpServers": {
    "vynix": {
      "command": "npx",
      "args": [
        "-y",
        "@usevynix/mcp-server"
      ],
      "env": {
        "VYNIX_API_TOKEN": "YOUR_VYNIX_API_TOKEN_HERE",
        "VYNIX_API_EMAIL": "YOUR_VYNIX_API_EMAIL_HERE",
        "VYNIX_API_PASSWORD": "YOUR_VYNIX_API_PASSWORD_HERE"
      }
    }
  }
}

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