What is the key difference between Leapfrog and Pebble?

Leapfrog belongs to the Developer Tools category with local stdio execution, while Pebble belongs to the Developer Tools category with local stdio execution.

How do I install Leapfrog or Pebble 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 Leapfrog and Pebble free or paid?

Leapfrog operates under a Free / Open Source model (No auth required). Pebble operates under a Free / Open Source model (No auth required).

Which MCP server has more tools and community activity?

Leapfrog lists 0 tools with 2 views and 5 GitHub stars. Pebble lists 0 tools with 0 views and 0 GitHub stars.

Can I use both Leapfrog and Pebble 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

Leapfrog vs Pebble

In-depth architectural comparison of the Leapfrog and Pebble 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

Leapfrog

Developer Tools · Local stdio

Quality: 37/100 (Fair) | Auth: No auth required

Pebble

Developer Tools · Local stdio

Quality: 25/100 (Emerging) | Auth: No auth required

Verdict Summary: Choose Leapfrog if you need specialized Developer Tools tools running via a local process. Choose Pebble 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 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

Choose Pebble 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 Pebble Details

Feature & Specification Comparison

Specification	Leapfrog Developer Tools	P Pebble Developer Tools
Summary	Multi-session browser MCP — 15 parallel isolated browsers, 37 tools, stealth, self-improvement.	Host the tools your AI builds — small internal tools in isolated microVMs, live for your team.
Category & Scope	Developer Tools	Developer Tools
Quality signal

Tools & Capabilities Breakdown

Leapfrog Tools (0)

No explicit tool names declared in metadata yet. Check project README on main listing page.

Pebble Tools (0)

No explicit tool names declared in metadata yet. Check project README on main listing page.

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).

Leapfrog Configuration

mcpServers (Claude Desktop / Cursor)

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

Pebble Configuration

mcpServers (Claude Desktop / Cursor)

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

Frequently Asked Questions

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

More alternatives to Leapfrog More alternatives to Pebble Developer Tools category hub