What is the key difference between LLM Sandbox and Q402 MCP?

LLM Sandbox belongs to the Code Execution category with local stdio execution, while Q402 MCP belongs to the Code Execution category with local stdio execution.

How do I install LLM Sandbox or Q402 MCP 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 LLM Sandbox and Q402 MCP free or paid?

LLM Sandbox operates under a Free / Open Source model (No auth required). Q402 MCP operates under a Free / Open Source model (No auth required).

Which MCP server has more tools and community activity?

LLM Sandbox lists 3 tools with 0 views and 1,119 GitHub stars. Q402 MCP lists 51 tools with 0 views and 0 GitHub stars.

Can I use both LLM Sandbox and Q402 MCP 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

LLM Sandbox vs Q402 MCP

In-depth architectural comparison of the LLM Sandbox and Q402 MCP 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

LLM Sandbox

Code Execution · Local stdio

Quality: 59/100 (Good) | Auth: No auth required

Q402 MCP

Code Execution · Local stdio

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

Verdict Summary: Choose LLM Sandbox if you need specialized Code Execution tools running via a local process. Choose Q402 MCP if your workspace requires Code Execution integration with local subprocess execution. Both servers can be configured concurrently in your client's mcpServers manifest.

Which MCP Server Should You Choose?

Choose LLM Sandbox when:

You need dedicated capabilities in the Code Execution domain.
You prefer local stdio subprocess transport architecture.
Your security boundary fits: No auth required (Free / Open Source).
Primary tools included: execute_code, get_supported_languages, get_language_details.

Explore LLM Sandbox Details

Choose Q402 MCP when:

You need dedicated capabilities in the Code Execution domain.
You prefer local stdio subprocess transport architecture.
Your security boundary fits: No auth required (Free / Open Source).
Primary tools included: q402_doctor, q402_quote, q402_balance.

Explore Q402 MCP Details

Feature & Specification Comparison

Specification	L LLM Sandbox Code Execution	Q Q402 MCP Code Execution
Summary	Securely run LLM-generated code in isolated containers across 7 languages and 4 backends.	Q402 - gasless payments, yield, escrow, bridge & NAV triggers on 12 EVM chains. Sandbox-default.
Category & Scope	Code Execution	Code Execution
Quality signal

Tools & Capabilities Breakdown

LLM Sandbox Tools (3)

execute_code

get_supported_languages

get_language_details

Q402 MCP Tools (51)

q402_doctor

First-install onboarding + ongoing health check (per-scope quota, EIP-7702 state, relay reachability, slot-mismatch warnings).

q402_quote

Compare gas + supported tokens across chains.

q402_balance

Verify key + remaining quota.

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).

LLM Sandbox Configuration

mcpServers (Claude Desktop / Cursor)

{
  "mcpServers": {
    "llm-sandbox": {
      "command": "uvx",
      "args": [
        "llm-sandbox"
      ]
    }
  }
}

Q402 MCP Configuration

mcpServers (Claude Desktop / Cursor)

{
  "mcpServers": {
    "q402-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "@quackai/q402-mcp"
      ]
    }
  }
}

Frequently Asked Questions

LLM Sandbox is categorized under Code Execution and uses a local stdio subprocess. In contrast, Q402 MCP belongs to Code Execution using local stdio subprocess. Select LLM Sandbox when you need capabilities focused on code execution and Q402 MCP when you require tools for code execution.

More alternatives to LLM Sandbox More alternatives to Q402 MCP Code Execution category hub

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