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

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

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

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

Which MCP server has more tools and community activity?

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

Can I use both Q402 MCP and LLM Sandbox 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

Q402 MCP vs LLM Sandbox

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

Q402 MCP

Code Execution · Local stdio

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

LLM Sandbox

Code Execution · Local stdio

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

Verdict Summary: Choose Q402 MCP if you need specialized Code Execution tools running via a local process. Choose LLM Sandbox 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 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

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

Feature & Specification Comparison

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

Tools & Capabilities Breakdown

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.

q402_pay

Single-recipient gasless transfer. Sandbox by default. In live mode, automatically runs a trust-check ($0.02) on the recipient before each payment when it is a first-time counterparty or the amount ≥ $1; verdict cached 7 days (no double-charge within TTL). Degrades to free basic verdict only when w…

q402_batch_pay

Up to 20 recipients per call. Trial: 5 - applies when paying with your own key (Mode A/B); server-managed Agent Wallet (Mode C) batch is paid Multichain-only. Same auto-routing as `q402_pay`. 6+ BNB batches with Trial set return `status="ambiguous"` so the agent asks how to split. xlayer + stable n…

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).

Q402 MCP Configuration

mcpServers (Claude Desktop / Cursor)

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

LLM Sandbox Configuration

mcpServers (Claude Desktop / Cursor)

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

Frequently Asked Questions

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

More alternatives to Q402 MCP More alternatives to LLM Sandbox Code Execution category hub Canonical compare URL