Prompt Switchboard MCP Sidecar vs Leapfrog

In-depth architectural comparison of the Prompt Switchboard MCP Sidecar and Leapfrog 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?

P

Choose Prompt Switchboard MCP Sidecar 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 Prompt Switchboard MCP Sidecar Details

Choose Leapfrog 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 Leapfrog Details

Feature & Specification Comparison

Specification	P Prompt Switchboard MCP Sidecar Developer Tools	Leapfrog Developer Tools
Summary	Compare-first local MCP sidecar for browser AI workflows.	Multi-session browser MCP — 15 parallel isolated browsers, 37 tools, stealth, self-improvement.
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": {
    "prompt-switchboard-mcp-sidecar": {
      "command": "npx",
      "args": [
        "-y",
        "prompt-switchboard-mcp-sidecar"
      ]
    }
  }
}

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

Related MCP Server Comparisons