What is the key difference between Uisight and Mailtrap?

Uisight belongs to the Developer Tools category with local stdio execution, while Mailtrap belongs to the Developer Tools category with local stdio execution.

How do I install Uisight or Mailtrap in Claude Desktop or Cursor?

Copy the mcpServers JSON configuration snippet provided on this page into your claude_desktop_config.json or ~/.cursor/mcp.json file and restart your AI client.

Are Uisight and Mailtrap free or paid?

Uisight operates under a Free / Open Source model (No auth required). Mailtrap operates under a Free / Open Source model (No auth required).

Which MCP server has more tools and community activity?

Uisight lists 7 tools with 0 views and 107 GitHub stars. Mailtrap lists 80 tools with 0 views and 65 GitHub stars.

Can I use both Uisight and Mailtrap together in the same MCP host?

Yes! MCP hosts like Claude Desktop, Cursor, Windsurf, Cline, and VS Code support configuring multiple servers under the mcpServers object simultaneously.

Side-by-Side Model Context Protocol Comparison

Uisight vs Mailtrap

In-depth architectural comparison of the Uisight and Mailtrap 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.

At a Glance & Executive Verdict

Uisight

Developer Tools · Local stdio

Quality: 61/100 (Good) | Auth: No auth required

Mailtrap

Developer Tools · Local stdio

Quality: 52/100 (Good) | Auth: No auth required

Verdict Summary: Choose Uisight if you need specialized Developer Tools tools running via a local process. Choose Mailtrap if your workspace requires Developer Tools integration with local subprocess execution. Both servers can be configured concurrently in your client's mcpServers manifest.

Which MCP Server Should You Choose?

Choose Uisight 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: see_screen, inspect, goto.

Explore Uisight Details

Choose Mailtrap 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: from, DEFAULT_FROM_EMAIL, to.

Explore Mailtrap Details

Feature & Specification Comparison

Specification	U Uisight Developer Tools	M Mailtrap Developer Tools
Summary	AI and human share live mobile+desktop browser sessions; measured UI findings your agent can act on	Official MCP Server for Mailtrap
Category & Scope	Developer Tools	Developer Tools
Quality signal

Tools & Capabilities Breakdown

Uisight Tools (7)

see_screen

Returns the current screen as an image — the exact frame the human sees in the panel

inspect

Runs contrast / touch-target / overflow / theme checks; returns **measured findings as text

goto

Navigates all sessions to a URL (localhost included)

tap

Drives the page — the human watches it happen live

set_device

Switches device profile (iphone-15, iphone-se, pixel, galaxy, ipad, desktop, laptop) or light/dark theme

status

Open URL, sessions, recent console/network errors — first stop when hunting a bug

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).

Uisight Configuration

mcpServers (Claude Desktop / Cursor)

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

Mailtrap Configuration

mcpServers (Claude Desktop / Cursor)

{
  "mcpServers": {
    "mailtrap": {
      "command": "npx",
      "args": [
        "-y",
        "@smithery/cli"
      ]
    }
  }
}

Frequently Asked Questions

Uisight is categorized under Developer Tools and uses a local stdio subprocess. In contrast, Mailtrap belongs to Developer Tools using local stdio subprocess. Select Uisight when you need capabilities focused on developer tools and Mailtrap when you require tools for developer tools.

More alternatives to Uisight More alternatives to Mailtrap Developer Tools category hub Canonical compare URL